Prospects and applications of an ultrafast nanometric electron source
|
|
- Christiana Parker
- 6 years ago
- Views:
Transcription
1 Prospects and applications of an ultrafast nanometric electron source Peter Hommelhoff Catherine Kealhofer Mark Kasevich Physics and Applied Physics, Stanford University 1. Ultrashort pulse lasers Femtosecond frequency combs: master the laser electric field External pulse broadening and recompression 2. Tungsten field emission electron emitter Atomic level surface control Single atom tip 3. Femtosecond Laser induced frequency electron emission comb: comb: Field Field emission tip: tip: Extremely low low jitter jitter oscillator brightest electron source source Optical tunnel emission and photo-assisted field emission Very Very high high peak peak electric electric field field Sub-laser cycle emission duration (quasi-static process) 4. Prospects and applications SLAC Advanced Instrumentation Seminar, Jan. 24, 2007
2 Ultrafast electrons pulses Laser pulses emitted from a femtosecond frequency comb (synced to atomic clock): extremely low jitter Tungsten field emission tip: brightest DC electron source (point source) Electron source for various applications: Ultrafast X-ray sources Time-resolved electron microscopy Ultrafast A/D-converters Novel laser accelerators Gamma ray source Guided electron interferometers Miniaturized focusing and scanning setup (possibly laser dispersion control): mitigate electron pulse broadening
3 1. Ultrashort pulse lasers Femtosecond frequency combs: master the laser electric field External pulse broadening and recompression 2. Tungsten field emission electron emitter Atomic level surface control Single atom tip 3. Laser induced electron emission Optical tunnel emission and photo-assisted field emission Sub-laser cycle emission duration (quasi-static process) 4. Prospects and applications
4 Ti:Sapph crystal: Extremely broad gain medium Venteon picture Spectral broadening through optical Kerr effect Multilayer mirror dispersion control 8 fs (3 optical cycles) 150MHz 500mW ~1nJ P. Hommelhoff, Prospects and applications of an ultrafast Steinmeyer nanometric al., Science electron 1999 source, SLAC AIS, 01/24/2007
5 Frequency comb
6 Frequency comb Intensity Invented in 1998, 2005 Nobel Prize in Physics Frequency Fourier transformation State of the art: carrier envelope jitter as small as 60 as (1 as = s)
7 Pulse broadening and recompression ~1mm Measured AC trace < 8 fs FWHM Calc. from Measured Calc. spectrum el. field AC assuming trace a flat phase Delay (fs) Laser output After photonic crystal fiber stub
8 1. Ultrashort pulse lasers Femtosecond frequency combs: master the laser electric field External pulse broadening and recompression 2. Tungsten field emission electron emitter Atomic level surface control Single atom tip 3. Laser induced electron emission Optical tunnel emission and photo-assisted field emission Sub-laser cycle emission duration (quasi-static process) 4. Prospects and applications
9 Field emission and field ion microscope (FEM/FIM) FEM e Ultra-high vacuum FIM ions + - Low pressure image gas (He or Ne) Vacuum vessel Microchannel plate detector with phosphor screen and CCD camera ~1 6UHZWSB.tif 56IW4J6A.tif
10 Atomic resolution surface control Hemispherical cut through W: Time series of images at a tip voltage slightly above field evaporation threshold Color coded: degree of protrusion 18 nm radius of of respective atom curvature tip Red: most protruding, green least W single crystal wire in <111> orientation
11 Single atom tip the ultimate source Stable up to ~10nA Inv. Brightness: ~10 10 A/(cm 2 sr) huge! FIM Evaporate Pd onto W(111) tip and anneal: grow pyramid FIM Electrons are emitted from a single atom brightest source We routinely make those tips in our lab
12 1. Ultrashort pulse lasers Femtosecond frequency combs: master the laser electric field External pulse broadening and recompression 2. Tungsten field emission electron emitter Atomic level surface control Single atom tip 3. Laser induced electron emission Optical tunnel emission and photo-assisted field emission Sub-laser cycle emission duration (quasi-static process) 4. Prospects and applications
13 Light induced electron emission processes Photo-assisted field emission γ >> 1: multiphoton emission Optical field emission Energy Energy Φ μ hω hω Conduction band e - Conduction band e - distance distance Metal Vacuum Metal Vacuum Both processes are prompt Analogous to tunnel ionization in atoms
14 Setup camera Microchannel plate + phosphor screen 125 μm 100 nm Spot radius (1/e 2 ) ~ 4 μm Peak power ~12 kw Peak intensity W/cm 2 Laser peak el. field GV/m (field enhancement)
15 First results
16 Autocorrelator with tip as (non-linear) detector U tip = V delay delay (a.u.) (a.u.)
17 Tunable non-linearity
18 Simulation Model: Electron emission from surface state ground state wavefunction with kinetic energy = Fermi energy. Laser modulates barrier Integrate time-dep. Schrödinger eq. Simulation result with no adjustable parameters. PH, C. Kealhofer, M. Kasevich, PRL 97, (2006)
19 Simulation: time-dependent flux Driving laser electric field: 8 fs pulse Electron current: A single 700 as pulse Electron current: Double pulse 700 attosecond emission duration Electric field driven Pulse shaping with CE dependence φ: carrier envelope phase (CE phase) PH, C. Kealhofer, M. Kasevich, PRL 97, (2006)
20 30nm radius tip without laser Field emission images Atomic size emission area with laser Up to 98(2)% photoelectrons (limited by dark count rate) Field ion microscope image 7 atoms emitting ~2nm diameter area PH, Y. Sortais, A. Aghajani-Talesh, M. Kasevich, PRL 96, (2006)
21 1. Ultrashort pulse lasers Femtosecond frequency combs: master the laser electric field External pulse broadening and recompression 2. Tungsten field emission electron emitter Atomic level surface control Single atom tip 3. Laser induced electron emission Optical tunnel emission and photo-assisted field emission Sub-laser cycle emission duration (quasi-static process) 4. Prospects and applications
22 GLAST X-ray source needed for High-speed (secure) deep space and inter-satellite communication (DARPA interest) Satellite X-ray radar Remote sensing
23 Ultrafast x-ray source laser pulse electron lenses Maintain timing in electron emission: ok. Maintain timing during timeof-flight: to be demonstrated Maintain timing during x-ray emission: to be demonstrated DC acceleration to ~100kV ~0.6c dispersion management ~ 5mm? target Orders of magnitude advance in timing resolution over stateof-the-art.
24 Arbitrary optical waveform to arbitrary x-ray waveform Arbitrary X-ray waveform or sequence of X- ray pulses? Maintain electron waveform Prompt X-ray emission Arbitrary electron waveform Arbitrary optical waveform
25 100 GS/s Analog-to-Digital Converter Today: 2 GS/s, 8-10 bit available Architecture: Electron gun: fsec laser triggered electron source Deflector: MEMS microdeflector/focussing assembly (NovelX) Detector: CNT detector array (F. Pease, Stanford) Pease group, Stanford EE With 100fs electron pulse duration: 100 GS/s, up to 12 bit possible Control timing jitter with femtosecond frequency comb Also: Optical pulse sampling (deflector is optical pulse proof-ofconcept demonstration complete)
26 Miniaturized emitters and emitter arrays Itoh et al., JVST B, 2004 T. H. P. Chang et al., JVST B, 1996 Mini-SEM is at final stages of development at NovelX. We will get prototype structure within next months.
27 Time-resolved scanning electron microscopy Brightness: ~10 3 A/cm 2 sterad Field emission SEM (high resolution SEM) Brightness (20 kv): >10 8 A/cm 2 sterad Time resolution so far ~1 ps, we aim for <1 fs (~1000 fold improvement). M. Merano, EPFL (Nature 2005) Sub-nm spatial resolution (>10 times better)
28 Laser electron acceleration electron lenses dispersion management Integrated SEM: NovelX DC acceleration to kV c Together with T. Plettner, R. Byer (Stanford Applied Physics & SLAC) Taken from Cowan, PRST-AB 2003 see also T. Plettner et al. PRL 2005
29 Proposed SASE-FEL Table-top gamma ray source Self-amplified spontaneous emission free electron laser field emission tip low energy 2 m ½m laser accelerator high energy beam dump oscillator laser amplifiers undulator ~200 μm cylindrical lens vacuum channel cylindrical lens 1 pc, top view 2 GeV, λu = 200 μm, Lu = 40 cm z rb ~ 200 nm electron λ/2 B ~ 1 T beam y x P. Hommelhoff, Prospects and applications of an ultrafast nanometric electron λ source, SLAC AIS, 01/24/2007 laser beam ~50 μm ~ 40 cm parameters T. Plettner, B. Byer!
30 Near future Validate attosecond timing of electron emission Currently under way Demonstrate timing resolution and refocusing of electron beam Proof-of-concept for ultra-fast SEM Focus electron beam on x-ray target Demonstrate prompt x-ray generation with bremsstrahlung target Evaluate coherence properties and timing jitter properties
31 Conclusion Prompt Prompt electron emission from from atomic atomic scale scale source source demonstrated. Sub-1 Sub-1 fs fs electron source; source; emission area area diameter down down to to 2nm 2nm Orders Orders of of magnitude advance in in timing timing and and source source size size Applications: Ultrafast X-ray X-ray source source for for communication Ultrafast A/D A/D converter Table-top gamma gamma ray ray source source (MeV (MeVto to GeV) GeV)
taccor Optional features Overview Turn-key GHz femtosecond laser
taccor Turn-key GHz femtosecond laser Self-locking and maintaining Stable and robust True hands off turn-key system Wavelength tunable Integrated pump laser Overview The taccor is a unique turn-key femtosecond
More informationIntroduction of New Products
Field Emission Electron Microscope JEM-3100F For evaluation of materials in the fields of nanoscience and nanomaterials science, TEM is required to provide resolution and analytical capabilities that can
More informationAPE Autocorrelator Product Family
APE Autocorrelator Product Family APE Autocorrelators The autocorrelator product family by APE includes a variety of impressive features and properties, designed to cater for a wide range of ultrafast
More informationFemtosecond laser microfabrication in. Prof. Dr. Cleber R. Mendonca
Femtosecond laser microfabrication in polymers Prof. Dr. Cleber R. Mendonca laser microfabrication focus laser beam on material s surface laser microfabrication laser microfabrication laser microfabrication
More informationX-ray generation by femtosecond laser pulses and its application to soft X-ray imaging microscope
X-ray generation by femtosecond laser pulses and its application to soft X-ray imaging microscope Kenichi Ikeda 1, Hideyuki Kotaki 1 ' 2 and Kazuhisa Nakajima 1 ' 2 ' 3 1 Graduate University for Advanced
More informationOptimization of supercontinuum generation in photonic crystal fibers for pulse compression
Optimization of supercontinuum generation in photonic crystal fibers for pulse compression Noah Chang Herbert Winful,Ted Norris Center for Ultrafast Optical Science University of Michigan What is Photonic
More informationDesigning for Femtosecond Pulses
Designing for Femtosecond Pulses White Paper PN 200-1100-00 Revision 1.1 July 2013 Calmar Laser, Inc www.calmarlaser.com Overview Calmar s femtosecond laser sources are passively mode-locked fiber lasers.
More informationTHz Pump Beam for LCLS. Henrik Loos. LCLS Hard X-Ray Upgrade Workshop July 29-31, 2009
Beam for LCLS Henrik Loos Workshop July 29-31, 29 1 1 Henrik Loos Overview Coherent Radiation Sources Timing THz Source Performance 2 2 Henrik Loos LCLS Layout 6 MeV 135 MeV 25 MeV 4.3 GeV 13.6 GeV σ z.83
More informationTesting with Femtosecond Pulses
Testing with Femtosecond Pulses White Paper PN 200-0200-00 Revision 1.3 January 2009 Calmar Laser, Inc www.calmarlaser.com Overview Calmar s femtosecond laser sources are passively mode-locked fiber lasers.
More informationDemonstration of exponential growth and saturation at VUV wavelengths at the TESLA Test Facility Free-Electron Laser. P. Castro for the TTF-FEL team
Demonstration of exponential growth and saturation at VUV wavelengths at the TESLA Test Facility Free-Electron Laser P. Castro for the TTF-FEL team 100 nm 1 Å FEL radiation TESLA Test Facility at DESY
More informationpulsecheck The Modular Autocorrelator
pulsecheck The Modular Autocorrelator Pulse Measurement Perfection with the Multitalent from APE It is good to have plenty of options at hand. Suitable for the characterization of virtually any ultrafast
More informationOutline of the proposed JLAMP VUV/soft X-ray FEL and the challenges for the photon beamlines and optics
Outline of the proposed JLAMP VUV/soft X-ray FEL and the challenges for the photon beamlines and optics J. Michael Klopf Jefferson Lab - Free Electron Laser Division Workshop on Future Light Sources SLAC
More informationEE119 Introduction to Optical Engineering Fall 2009 Final Exam. Name:
EE119 Introduction to Optical Engineering Fall 2009 Final Exam Name: SID: CLOSED BOOK. THREE 8 1/2 X 11 SHEETS OF NOTES, AND SCIENTIFIC POCKET CALCULATOR PERMITTED. TIME ALLOTTED: 180 MINUTES Fundamental
More informationInfrared Single Shot Diagnostics for the Longitudinal. Profile of the Electron Bunches at FLASH. Disputation
Infrared Single Shot Diagnostics for the Longitudinal Profile of the Electron Bunches at FLASH Disputation Hossein Delsim-Hashemi Tuesday 22 July 2008 7/23/2008 2/ 35 Introduction m eb c 2 3 2 γ ω = +
More informationFiber Laser Chirped Pulse Amplifier
Fiber Laser Chirped Pulse Amplifier White Paper PN 200-0200-00 Revision 1.2 January 2009 Calmar Laser, Inc www.calmarlaser.com Overview Fiber lasers offer advantages in maintaining stable operation over
More informationREU Student: Si (Athena) Pan Connecticut College Mentor: Dimitre Ouzounov Graduate Student Mentor: Heng Li Summer 2008
REU Student: Si (Athena) Pan Connecticut College Mentor: Dimitre Ouzounov Graduate Student Mentor: Heng Li Summer 008 Ultrashort pulses, its measurement and motivation of my project Two-photon absorption
More informationUltrafast instrumentation (No Alignment!)
Ultrafast instrumentation (No Alignment!) We offer products specialized in ultrafast metrology with strong expertise in the production and characterization of high energy ultrashort pulses. We provide
More informationA new picosecond Laser pulse generation method.
PULSE GATING : A new picosecond Laser pulse generation method. Picosecond lasers can be found in many fields of applications from research to industry. These lasers are very common in bio-photonics, non-linear
More informationMODULE I SCANNING ELECTRON MICROSCOPE (SEM)
MODULE I SCANNING ELECTRON MICROSCOPE (SEM) Scanning Electron Microscope (SEM) Initially, the plan of SEM was offered by H. Stintzing in 1927 (a German patent application). His suggested procedure was
More informationPicosecond Pulses for Test & Measurement
Picosecond Pulses for Test & Measurement White Paper PN 200-0100-00 Revision 1.1 September 2003 Calmar Optcom, Inc www.calamropt.com Overview Calmar s picosecond laser sources are actively mode-locked
More informationSpider Pulse Characterization
Spider Pulse Characterization Spectral and Temporal Characterization of Ultrashort Laser Pulses The Spider series by APE is an all-purpose and frequently used solution for complete characterization of
More information3D light microscopy techniques
3D light microscopy techniques The image of a point is a 3D feature In-focus image Out-of-focus image The image of a point is not a point Point Spread Function (PSF) 1D imaging 1 1 2! NA = 0.5! NA 2D imaging
More informationCase Study: Simplifying Access to High Energy sub-5-fs Pulses
Case Study: Simplifying Access to High Energy sub-5-fs Pulses High pulse energy and long term stability from a one-box Coherent Astrella ultrafast amplifier, together with a novel hollow fiber compressor
More informationSpectral phase shaping for high resolution CARS spectroscopy around 3000 cm 1
Spectral phase shaping for high resolution CARS spectroscopy around 3 cm A.C.W. van Rhijn, S. Postma, J.P. Korterik, J.L. Herek, and H.L. Offerhaus Mesa + Research Institute for Nanotechnology, University
More informationContinuum White Light Generation. WhiteLase: High Power Ultrabroadband
Continuum White Light Generation WhiteLase: High Power Ultrabroadband Light Sources Technology Ultrafast Pulses + Fiber Laser + Non-linear PCF = Spectral broadening from 400nm to 2500nm Ultrafast Fiber
More informationSpectral Phase Modulation and chirped pulse amplification in High Gain Harmonic Generation
Spectral Phase Modulation and chirped pulse amplification in High Gain Harmonic Generation Z. Wu, H. Loos, Y. Shen, B. Sheehy, E. D. Johnson, S. Krinsky, J. B. Murphy, T. Shaftan,, X.-J. Wang, L. H. Yu,
More informationInstruction manual and data sheet ipca h
1/15 instruction manual ipca-21-05-1000-800-h Instruction manual and data sheet ipca-21-05-1000-800-h Broad area interdigital photoconductive THz antenna with microlens array and hyperhemispherical silicon
More informationBioimaging of cells and tissues using accelerator-based sources
Analytical and Bioanalytical Chemistry Electronic Supplementary Material Bioimaging of cells and tissues using accelerator-based sources Cyril Petibois, Mariangela Cestelli Guidi Main features of Free
More informationTesting with 40 GHz Laser Sources
Testing with 40 GHz Laser Sources White Paper PN 200-0500-00 Revision 1.1 January 2009 Calmar Laser, Inc www.calmarlaser.com Overview Calmar s 40 GHz fiber lasers are actively mode-locked fiber lasers.
More informationSUPPLEMENTARY INFORMATION DOI: /NPHOTON
Supplementary Methods and Data 1. Apparatus Design The time-of-flight measurement apparatus built in this study is shown in Supplementary Figure 1. An erbium-doped femtosecond fibre oscillator (C-Fiber,
More informationTECHNIQUES FOR PUMP-PROBE SYNCHRONISATION OF FSEC RADIATION PULSES
TECHNIQUES FOR PUMP-PROBE SYNCHRONISATION OF FSEC RADIATION PULSES Abstract The production of ultra-short photon pulses for UV, VUV or X-ray Free-Electron Lasers demands new techniques to measure and control
More informationSurvey Report: Laser R&D
Survey Report: Laser R&D Peter Moulton VP/CTO, Q-Peak, Inc. DLA-2011 ICFA Mini-Workshop on Dielectric Laser Accelerators September 15, 2011 SLAC, Menlo Park, CA Outline DLA laser requirements (one version)
More informationMASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Electrical Engineering and Computer Science
Student Name Date MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Electrical Engineering and Computer Science 6.161 Modern Optics Project Laboratory Laboratory Exercise No. 6 Fall 2010 Solid-State
More informationHigh Power and Energy Femtosecond Lasers
High Power and Energy Femtosecond Lasers PHAROS is a single-unit integrated femtosecond laser system combining millijoule pulse energies and high average powers. PHAROS features a mechanical and optical
More informationFigure1. To construct a light pulse, the electric component of the plane wave should be multiplied with a bell shaped function.
Introduction The Electric field of a monochromatic plane wave is given by is the angular frequency of the plane wave. The plot of this function is given by a cosine function as shown in the following graph.
More informationCHAPTER 9 POSITION SENSITIVE PHOTOMULTIPLIER TUBES
CHAPTER 9 POSITION SENSITIVE PHOTOMULTIPLIER TUBES The current multiplication mechanism offered by dynodes makes photomultiplier tubes ideal for low-light-level measurement. As explained earlier, there
More informationFLASH at DESY. FLASH. Free-Electron Laser in Hamburg. The first soft X-ray FEL operating two undulator beamlines simultaneously
FLASH at DESY The first soft X-ray FEL operating two undulator beamlines simultaneously Katja Honkavaara, DESY for the FLASH team FEL Conference 2014, Basel 25-29 August, 2014 First Lasing FLASH2 > First
More informationAttosecond Diagnostics of Muti GeV Electron Beams Using W Band Deflectors
Attosecond Diagnostics of Muti GeV Electron Beams Using W Band Deflectors V.A. Dolgashev, P. Emma, M. Dal Forno, A. Novokhatski, S. Weathersby SLAC National Accelerator Laboratory FEIS 2: Femtosecond Electron
More informationSingle-photon excitation of morphology dependent resonance
Single-photon excitation of morphology dependent resonance 3.1 Introduction The examination of morphology dependent resonance (MDR) has been of considerable importance to many fields in optical science.
More informationExternal-Cavity Tapered Semiconductor Ring Lasers
External-Cavity Tapered Semiconductor Ring Lasers Frank Demaria Laser operation of a tapered semiconductor amplifier in a ring-oscillator configuration is presented. In first experiments, 1.75 W time-average
More informationLecture 20: Optical Tools for MEMS Imaging
MECH 466 Microelectromechanical Systems University of Victoria Dept. of Mechanical Engineering Lecture 20: Optical Tools for MEMS Imaging 1 Overview Optical Microscopes Video Microscopes Scanning Electron
More informationCharacterization of Chirped volume bragg grating (CVBG)
Characterization of Chirped volume bragg grating (CVBG) Sobhy Kholaif September 7, 017 1 Laser pulses Ultrashort laser pulses have extremely short pulse duration. When the pulse duration is less than picoseconds
More informationSUPPLEMENTARY INFORMATION
SUPPLEMENTARY INFORMATION doi:10.1038/nature10864 1. Supplementary Methods The three QW samples on which data are reported in the Letter (15 nm) 19 and supplementary materials (18 and 22 nm) 23 were grown
More informationWisconsin FEL Initiative
Wisconsin FEL Initiative Joseph Bisognano, Mark Bissen, Robert Bosch, Michael Green, Ken Jacobs, Hartmut Hoechst, Kevin J Kleman, Robert Legg, Ruben Reininger, Ralf Wehlitz, UW-Madison/SRC William Graves,
More informationLaser Science and Technology at LLE
Laser Science and Technology at LLE Nd:glass High energy Electrical Yb:YAG High peak power Mechanical OPCPA High average power Eye injuries OPO Exotic wavelengths Fire J. Bromage Group Leader, Sr. Scientist
More informationEE119 Introduction to Optical Engineering Spring 2003 Final Exam. Name:
EE119 Introduction to Optical Engineering Spring 2003 Final Exam Name: SID: CLOSED BOOK. THREE 8 1/2 X 11 SHEETS OF NOTES, AND SCIENTIFIC POCKET CALCULATOR PERMITTED. TIME ALLOTTED: 180 MINUTES Fundamental
More informationTheoretical Approach. Why do we need ultra short technology?? INTRODUCTION:
Theoretical Approach Why do we need ultra short technology?? INTRODUCTION: Generating ultrashort laser pulses that last a few femtoseconds is a highly active area of research that is finding applications
More informationTIMING DISTRIBUTION AND SYNCHRONIZATION COMPLETE SOLUTIONS FROM ONE SINGLE SOURCE
TIMING DISTRIBUTION AND SYNCHRONIZATION COMPLETE SOLUTIONS FROM ONE SINGLE SOURCE link stabilization FEMTOSECOND SYNCHRONIZATION FOR LARGE-SCALE FACILITIES TAILOR-MADE FULLY INTEGRATED SOLUTIONS The Timing
More information3D Optical Motion Analysis of Micro Systems. Heinrich Steger, Polytec GmbH, Waldbronn
3D Optical Motion Analysis of Micro Systems Heinrich Steger, Polytec GmbH, Waldbronn SEMICON Europe 2012 Outline Needs and Challenges of measuring Micro Structure and MEMS Tools and Applications for optical
More informationSurvey Report: Laser R&D
Survey Report: Laser R&D Peter Moulton VP/CTO, Q-Peak, Inc. DLA-2011 ICFA Mini-Workshop on Dielectric Laser Accelerators September 15, 2011 SLAC, Menlo Park, CA Outline DLA laser requirements (one version)
More informationFemtosecond Synchronization of Laser Systems for the LCLS
Femtosecond Synchronization of Laser Systems for the LCLS, Lawrence Doolittle, Gang Huang, John W. Staples, Russell Wilcox (LBNL) John Arthur, Josef Frisch, William White (SLAC) 26 Aug 2010 FEL2010 1 Berkeley
More informationNonintercepting Diagnostics for Transverse Beam Properties: from Rings to ERLs
Nonintercepting Diagnostics for Transverse Beam Properties: from Rings to ERLs Alex H. Lumpkin Accelerator Operations Division Advanced Photon Source Presented at Jefferson National Accelerator Laboratory
More informationPhoton Diagnostics. FLASH User Workshop 08.
Photon Diagnostics FLASH User Workshop 08 Kai.Tiedtke@desy.de Outline What kind of diagnostic tools do user need to make efficient use of FLASH? intensity (New GMD) beam position intensity profile on the
More informationNd:YSO resonator array Transmission spectrum (a. u.) Supplementary Figure 1. An array of nano-beam resonators fabricated in Nd:YSO.
a Nd:YSO resonator array µm Transmission spectrum (a. u.) b 4 F3/2-4I9/2 25 2 5 5 875 88 λ(nm) 885 Supplementary Figure. An array of nano-beam resonators fabricated in Nd:YSO. (a) Scanning electron microscope
More informationOn-line spectrometer for FEL radiation at
On-line spectrometer for FEL radiation at FERMI@ELETTRA Fabio Frassetto 1, Luca Poletto 1, Daniele Cocco 2, Marco Zangrando 3 1 CNR/INFM Laboratory for Ultraviolet and X-Ray Optical Research & Department
More informationScanning Electron Microscopy. EMSE-515 F. Ernst
Scanning Electron Microscopy EMSE-515 F. Ernst 1 2 Scanning Electron Microscopy Max Knoll Manfred von Ardenne Manfred von Ardenne Principle of Scanning Electron Microscopy 3 Principle of Scanning Electron
More information190 nm (6.5 ev) Laser-ARPES. Laser ARPES using a Tunable ps UV Source
190 nm (6. ev) Laser-ARPES Laser ARPES using a Tunable ps UV Source 1 190 nm (6. ev) UV Source Laser ARPES/ARUPS with a High-Power UV Source Tunable deep-uv pulses from 190... 21 nm (6.....77 ev) are available
More informationX-ray FEL Oscillator (XFEL-O) Gun Requirements and R&D Overview FLS2010: WG5: High Brightness Guns March 1, 2010
X-ray FEL Oscillator (XFEL-O) Gun Requirements and R&D Overview FLS2010: WG5: High Brightness Guns March 1, 2010 Nick Sereno (APS/ASD) - Argonne National Laboratory (ANL) / Advanced Photon source (APS)
More informationUltrafast Lasers with Radial and Azimuthal Polarizations for Highefficiency. Applications
WP Ultrafast Lasers with Radial and Azimuthal Polarizations for Highefficiency Micro-machining Applications Beneficiaries Call Topic Objective ICT-2013.3.2 Photonics iii) Laser for Industrial processing
More informationHow to build an Er:fiber femtosecond laser
How to build an Er:fiber femtosecond laser Daniele Brida 17.02.2016 Konstanz Ultrafast laser Time domain : pulse train Frequency domain: comb 3 26.03.2016 Frequency comb laser Time domain : pulse train
More informationThin-Disc-Based Driver
Thin-Disc-Based Driver Jochen Speiser German Aerospace Center (DLR) Institute of Technical Physics Solid State Lasers and Nonlinear Optics Folie 1 German Aerospace Center! Research Institution! Space Agency!
More information1-Å FEL Oscillator with ERL Beams
1-Å FEL Oscillator with ERL Beams 29 th International FEL Conference August 26-31, BINP Novosibirsk, Russia Kwang-Je Kim, ANL Sven Reiche, UCLA Yuri Shvyd ko, ANL FELs for λ
More informationTerahertz control of nanotip photoemission
Terahertz control of nanotip photoemission L. Wimmer, G. Herink, D. R. Solli, S. V. Yalunin, K. E. Echternkamp, and C. Ropers Near-infrared pulses of 800 nm wavelength, 50 fs duration and at 1 khz repetition
More informationHigh Rep-Rate KrF Laser Development and Intense Pulse Interaction Experiments for IFE*
High Rep-Rate KrF Laser Development and Intense Pulse Interaction Experiments for IFE* Y. Owadano, E. Takahashi, I. Okuda, I. Matsushima, Y. Matsumoto, S. Kato, E. Miura and H.Yashiro 1), K. Kuwahara 2)
More informationScanning electron microscope
Scanning electron microscope 5 th CEMM workshop Maja Koblar, Sc. Eng. Physics Outline The basic principle? What is an electron? Parts of the SEM Electron gun Electromagnetic lenses Apertures Detectors
More informationPulse Shaping Application Note
Application Note 8010 Pulse Shaping Application Note Revision 1.0 Boulder Nonlinear Systems, Inc. 450 Courtney Way Lafayette, CO 80026-8878 USA Shaping ultrafast optical pulses with liquid crystal spatial
More informationIntegrated disruptive components for 2µm fibre Lasers ISLA. 2 µm Sub-Picosecond Fiber Lasers
Integrated disruptive components for 2µm fibre Lasers ISLA 2 µm Sub-Picosecond Fiber Lasers Advantages: 2 - microns wavelength offers eye-safety potentially higher pulse energy and average power in single
More informationTIME-PRESERVING MONOCHROMATORS FOR ULTRASHORT EXTREME-ULTRAVIOLET PULSES
TIME-PRESERVING MONOCHROMATORS FOR ULTRASHORT EXTREME-ULTRAVIOLET PULSES Luca Poletto CNR - Institute of Photonics and Nanotechnologies Laboratory for UV and X-Ray Optical Research Padova, Italy e-mail:
More informationIntroduction to the Physics of Free-Electron Lasers
Introduction to the Physics of Free-Electron Lasers 1 Outline Undulator Radiation Radiation from many particles The FEL Instability Advanced FEL concepts The X-Ray Free-Electron Laser For Angstrom level
More informationToday s Outline - January 25, C. Segre (IIT) PHYS Spring 2018 January 25, / 26
Today s Outline - January 25, 2018 C. Segre (IIT) PHYS 570 - Spring 2018 January 25, 2018 1 / 26 Today s Outline - January 25, 2018 HW #2 C. Segre (IIT) PHYS 570 - Spring 2018 January 25, 2018 1 / 26 Today
More informationFLASH: Status and upgrade
: Status and upgrade The User Facility Layout Performance and operational o a issues Upgrade Bart Faatz for the team DESY FEL 2009 Liverpool, UK August 23-28, 2009 at DESY > FEL user facility since summer
More informationOutline. Motivation Experimental Set-Up Theory behind the set-up Results Acknowledgements
Outline Motivation Experimental Set-Up Theory behind the set-up Results Acknowledgements Motivation Attosecond pulses could be used to study time-dependence of atomic dynamics. Greater control of pulse
More informationHigh Power Thin Disk Lasers. Dr. Adolf Giesen. German Aerospace Center. Institute of Technical Physics. Folie 1. Institute of Technical Physics
High Power Thin Disk Lasers Dr. Adolf Giesen German Aerospace Center Folie 1 Research Topics - Laser sources and nonlinear optics Speiser Beam control and optical diagnostics Riede Atm. propagation and
More informationG. Norris* & G. McConnell
Relaxed damage threshold intensity conditions and nonlinear increase in the conversion efficiency of an optical parametric oscillator using a bi-directional pump geometry G. Norris* & G. McConnell Centre
More informationVertical External Cavity Surface Emitting Laser
Chapter 4 Optical-pumped Vertical External Cavity Surface Emitting Laser The booming laser techniques named VECSEL combine the flexibility of semiconductor band structure and advantages of solid-state
More informationFiber Lasers for EUV Lithography
Fiber Lasers for EUV Lithography A. Galvanauskas, Kai Chung Hou*, Cheng Zhu CUOS, EECS Department, University of Michigan P. Amaya Arbor Photonics, Inc. * Currently with Cymer, Inc 2009 International Workshop
More informationUltra-stable flashlamp-pumped laser *
SLAC-PUB-10290 September 2002 Ultra-stable flashlamp-pumped laser * A. Brachmann, J. Clendenin, T.Galetto, T. Maruyama, J.Sodja, J. Turner, M. Woods Stanford Linear Accelerator Center, 2575 Sand Hill Rd.,
More informationFundamental Optics ULTRAFAST THEORY ( ) = ( ) ( q) FUNDAMENTAL OPTICS. q q = ( A150 Ultrafast Theory
ULTRAFAST THEORY The distinguishing aspect of femtosecond laser optics design is the need to control the phase characteristic of the optical system over the requisite wide pulse bandwidth. CVI Laser Optics
More informationEE119 Introduction to Optical Engineering Spring 2002 Final Exam. Name:
EE119 Introduction to Optical Engineering Spring 2002 Final Exam Name: SID: CLOSED BOOK. FOUR 8 1/2 X 11 SHEETS OF NOTES, AND SCIENTIFIC POCKET CALCULATOR PERMITTED. TIME ALLOTTED: 180 MINUTES Fundamental
More informationSCS Optical Laser Delivery
SCS Optical Laser Delivery Robert Carley Instrument Scientist SCS Group Schenefeld, 23 January 2017 2 Overiew Pump-probe laser at European XFEL Laser system Burst mode operation Sample heating SCS optical
More informationMULTI-STAGE YTTERBIUM FIBER-AMPLIFIER SEEDED BY A GAIN-SWITCHED LASER DIODE
MULTI-STAGE YTTERBIUM FIBER-AMPLIFIER SEEDED BY A GAIN-SWITCHED LASER DIODE Authors: M. Ryser, S. Pilz, A. Burn, V. Romano DOI: 10.12684/alt.1.101 Corresponding author: e-mail: M. Ryser manuel.ryser@iap.unibe.ch
More informationSUPPLEMENTARY INFORMATION
SUPPLEMENTARY INFORMATION Supplementary Information Real-space imaging of transient carrier dynamics by nanoscale pump-probe microscopy Yasuhiko Terada, Shoji Yoshida, Osamu Takeuchi, and Hidemi Shigekawa*
More informationCharacteristics of point-focus Simultaneous Spatial and temporal Focusing (SSTF) as a two-photon excited fluorescence microscopy
Characteristics of point-focus Simultaneous Spatial and temporal Focusing (SSTF) as a two-photon excited fluorescence microscopy Qiyuan Song (M2) and Aoi Nakamura (B4) Abstracts: We theoretically and experimentally
More informationDESIGN OF COMPACT PULSED 4 MIRROR LASER WIRE SYSTEM FOR QUICK MEASUREMENT OF ELECTRON BEAM PROFILE
1 DESIGN OF COMPACT PULSED 4 MIRROR LASER WIRE SYSTEM FOR QUICK MEASUREMENT OF ELECTRON BEAM PROFILE PRESENTED BY- ARPIT RAWANKAR THE GRADUATE UNIVERSITY FOR ADVANCED STUDIES, HAYAMA 2 INDEX 1. Concept
More informationMode analysis of Oxide-Confined VCSELs using near-far field approaches
Annual report 998, Dept. of Optoelectronics, University of Ulm Mode analysis of Oxide-Confined VCSELs using near-far field approaches Safwat William Zaki Mahmoud We analyze the transverse mode structure
More informationAttosecond technology - quantum control of high harmonic generation for phase matching
Attosecond technology - quantum control of high harmonic generation for phase matching Xiaoshi Zhang, Amy Lytle, Oren Cohen, Ivan P. Christov, Margaret M. Murnane, Henry C. Kapteyn JILA, University of
More informationExternal cavities for controling spatial and spectral properties of SC lasers. J.P. Huignard TH-TRT
External cavities for controling spatial and spectral properties of SC lasers. J.P. Huignard TH-TRT Bright Er - Partners. WP 3 : External cavities approaches for high brightness. - RISOE TUD Dk - Institut
More informationRomania and High Power Lasers Towards Extreme Light Infrastructure in Romania
Romania and High Power Lasers Towards Extreme Light Infrastructure in Romania Razvan Dabu, Daniel Ursescu INFLPR, Magurele, Romania Contents GiWALAS laser facility TEWALAS laser facility CETAL project
More information2. Pulsed Acoustic Microscopy and Picosecond Ultrasonics
1st International Symposium on Laser Ultrasonics: Science, Technology and Applications July 16-18 2008, Montreal, Canada Picosecond Ultrasonic Microscopy of Semiconductor Nanostructures Thomas J GRIMSLEY
More informationHigh-Power Femtosecond Lasers
High-Power Femtosecond Lasers PHAROS is a single-unit integrated femtosecond laser system combining millijoule pulse energies and high average power. PHAROS features a mechanical and optical design optimized
More informationX-Ray Detection Using SOI Monolithic Sensors at a Compact High-Brightness X-Ray Source Based on Inverse Compton Scattering
Abstract #: 1054 Conference: NSS (Oral) Accelerator Technologies and Beam Line Instrumentation X-Ray Detection Using SOI Monolithic Sensors at a Compact High-Brightness X-Ray Source Based on Inverse Compton
More informationUltrafast Laser Solutions for Microprocessing
Ultrafast Laser Solutions for Microprocessing Dr. Kurt Weingarten Lumentum Switzerland Ruetistrasse 12 Schlieren 4-November-2016 Lumentum Switzerland AG Founded in 1995 as Time-Bandwidth Products, a spinoff
More information3550 Aberdeen Ave SE, Kirtland AFB, NM 87117, USA ABSTRACT 1. INTRODUCTION
Beam Combination of Multiple Vertical External Cavity Surface Emitting Lasers via Volume Bragg Gratings Chunte A. Lu* a, William P. Roach a, Genesh Balakrishnan b, Alexander R. Albrecht b, Jerome V. Moloney
More informationR&D Toward Brighter X-ray FELs
Some R&D Toward Brighter X-ray FELs Zhirong Huang (SLAC) March 6, 2012 FLS2012 Workshop, Jefferson Lab Outline Introduction Seeding for temporal coherence Hard x-rays Soft x-rays Push for higher power
More informationLCLS-II-HE Instrumentation
LCLS-II-HE Instrumentation Average Brightness (ph/s/mm 2 /mrad 2 /0.1%BW) LCLS-II-HE: Enabling New Experimental Capabilities Structural Dynamics at the Atomic Scale Expand the photon energy reach of LCLS-II
More informationPropagation, Dispersion and Measurement of sub-10 fs Pulses
Propagation, Dispersion and Measurement of sub-10 fs Pulses Table of Contents 1. Theory 2. Pulse propagation through various materials o Calculating the index of refraction Glass materials Air Index of
More informationPhysics 431 Final Exam Examples (3:00-5:00 pm 12/16/2009) TIME ALLOTTED: 120 MINUTES Name: Signature:
Physics 431 Final Exam Examples (3:00-5:00 pm 12/16/2009) TIME ALLOTTED: 120 MINUTES Name: PID: Signature: CLOSED BOOK. TWO 8 1/2 X 11 SHEET OF NOTES (double sided is allowed), AND SCIENTIFIC POCKET CALCULATOR
More informationattosnom I: Topography and Force Images NANOSCOPY APPLICATION NOTE M06 RELATED PRODUCTS G
APPLICATION NOTE M06 attosnom I: Topography and Force Images Scanning near-field optical microscopy is the outstanding technique to simultaneously measure the topography and the optical contrast of a sample.
More information3 General layout of the XFEL Facility
3 General layout of the XFEL Facility 3.1 Introduction The present chapter provides an overview of the whole European X-Ray Free-Electron Laser (XFEL) Facility layout, enumerating its main components and
More informationProgress in ultrafast Cr:ZnSe Lasers. Evgueni Slobodtchikov, Peter Moulton
Progress in ultrafast Cr:ZnSe Lasers Evgueni Slobodtchikov, Peter Moulton Topics Diode-pumped Cr:ZnSe femtosecond oscillator CPA Cr:ZnSe laser system with 1 GW output This work was supported by SBIR Phase
More information