Active Stabilization of Multi-THz Bandwidth Chirp Lasers for Precision Metrology
|
|
- Rosalyn Sharp
- 6 years ago
- Views:
Transcription
1 Active Stabilization of Multi-THz Bandwidth Chirp Lasers for Precision Metrology Zeb Barber, Christoffer Renner, Steven Crouch MSU Spectrum Lab, Bozeman MT, Randy Reibel, Peter Roos, Nathan Greenfield, Trenton Berg, Brant Kaylor Bridger Photonics Inc. Bozeman MT, 59715
2 Relative Power (db) Relative Power (db) Relative Power (db) Ranging Terminology Two Targets Closely Spaced Range Range Window Targets Resolved Relative Range (mm) Range (m) SNR Single Target Resolution = c/2b -3dB Relative Range (mm) Range Resolution c p c R 2 2B 15 GHz 1 cm Range Precision Range resolution depends only on bandwidth - fair way to compare ranging systems Range precision is dependent upon signal-to-noise ratio (i.e. depends upon Tx powers, receiver size, etc.) Range window depends on system design (pulse rate, backend processing, coherence, etc.) R R max R SNR Range Window c 2 rep
3 Laser Ranging Methods for Length Metrology Coding Incoherent\Direct Coherent Pulsed Sinusoidal Chirped Traditional Pulsed Lidar\Ladar Absolute Distance Meters Chirped AM Ladar (ARL) Fast Detectors, Low Doppler Sensitivity Range-Doppler Lidar MSTAR, Multi- Wavelength Interferometry FMCW Ladar, Swept Source OCT High Doppler Sensitivity, Low Detector Bandwidth Simple, resolution limited by receiver bandwidth Range Ambiguity B R R 1/ rep Range-Doppler Ambiguity max Sinusoidal ranging generally assumes single strong target - Requires cooperative target for accuracy Coherent techniques allow for mixing in optical domain - Reduce receiver bandwidth requirements for high bandwidth waveforms
4 Optical Frequency Optical Frequency Relative Power (db) Optical Frequency f FMCW (Chirped) Ladar FM-CW Chirped Heterodyne Receiver Local Stretched Processor Oscillator df = dt must be within detector f and ADC bandwidth f beat beat = κτ D df dt = 2 R / c τ D Chirped Laser D D B = Chirp Bandwidth Time τ c Splitter Local c Time Tx LO Rx Delayed Signal FFTB Circulator Combiner Delayed Signal B t FM-CW Chirped Heterodyne Receiver Stretched Processor Distant Monostatic Object Tx / Rx df = dt must be within detector and ADC bandwidth df Detector + Digitizer dt = 2 R / c B = Chirp Bandwidth Time FW3dB R c c 2B 2 B Range (km) Fast Fourier Transform F
5 Chirp Nonlinearities f f beat = κτ D Local Oscillator Delayed Signal B Chirp nonlinearities lead to broadening of range return Broadening gets worse with longer delay τ D Chirp Laser τ c t Reference Interferometer Digitization and Post Processing or Sample Triggering [1] E. D. Moore and R. R. McLeod, Optics Express 16, (28). [2] T.-J. Ahn, J. Y. Lee, and D. Y. Kim, Applied Optics 44, (25).
6 Active Linearization Use stable reference delay, τ ref, to generate reference beat note Measure f err on photodetector (proportional to chirp rate) Phase/frequency lock to stable reference oscillator Actuate laser frequency/phase Chirped Laser Output f a o m Fiber Delay Acousto-optic Modulator r e f τ ref f e r r 1 nm Sweeps f r e f Servo Amplifier Digital Phase Detector C. Greiner, B. Boggs, T. Wang, and T. Mossberg, Optics Letters 23, (1998).
7 Frequency [khz] Error From Linearity (MHz) Frequency (MHz) Relative Power (db) Active Linearization Sweep Bandwidth = 4.8 THz Out-of-Loop Residual Sweep Error Unlocked = MHz Locked =.695 MHz Feed Forward =.17 MHz -2 Range Peaks through 5m PM Fiber FW3dB=5mm No Lock Lock Only Feed Forward Time (ms) Relative Range (mm) Improved servo reduced in-loop residuals to 46 khz RMS In Loop Residual Nonlinearity Time [s]
8 PSD db Active Stabilization Benefits Reduced computational load - $1 of analog electronic parts perform calculations in real time Increased coherence Improved SNR Can still use digital compensation Fiber Stablized DFB 5 khz RBW BiasTee Mod Port Slow Lock Frequency [MHz] Stabilized chirped sources Macro ECDL s THz BW, good coherence, slow Micro ECDL s THz BW, ok coherence, med speed DFB lasers 1 GHz, poorer coherence, fast
9 Relative Power (db) Long Range Measurements 1 mm 2 Monostatic Tx / Rx ~9 m Range Bridger Facility 2.5 Retroreflector 25 mm Zoom of Range Peak at 2.2 m - File Number 1 11 micron peak width Range: ~9 m Retro Location Relative Range (mm)
10 Relative Distance (mm) Relative Power (db) Long Range Measurements x 1 Eight targets at 14.2 km standoff Relative Range (m) Precision =.7 mm Time (s)
11 Range Arrival (um) Measured - Actual Mean Position (mm) Relative Power (db) Range [mm] Length Metrology FWHM = 63 microns FW3dB = R = 63 microns Range Profile off Microscope Slide ~7 nm precisions in 2.8 m air (.25 ppm fractional) ~43 nm thickness precision Relative Range (mm) Position Detection - 1 mm steps Measurement Mean Thickness = m STD Across Runs = nm ~2.8 nm precisions Measurement Number Measurement Number
12 Frequency [GHz] Frequency -f(r) [GHz] Chirp Rate - Mean [MHz/ ms] Transmission [Arb] Chirp Calibration.8 HCN Transmission Individual calibrations good to ~2.2 ppm Standard Deviation of 47 calibrations.17 ppm Calibration limited by stated NIST uncertainties Chirp Calibration with HCN = MHz/ms Time [sec] 3 x Measured Chirp Rate Time [ms] Sweep Number
13 MHz MHz THz Chirp vs. Comb Calibrations Calibration performed at NIST with Nate Newbury, Ian Coddington, and Fabrizio Giorgetta Heterodyne signal between comb and chirp nm ~5 THz/sec Linear Fit High order residuals less than 55 khz rms Statistical uncertainty in chirp rate is ~2 ppb Quadratic and Cubic Fit < 1 ppb stability sweep-to-sweep Z. W. Barber et al. Optics Letters, vol. 36, no. 7, pp , Unwrap glitches Time [sec]
14 Y Coordinate (mm) Optical Thickness (mm) Y Coordinate (mm) Optical Thickness (mm) Thickness Measurement Circulator Tx / Rx Splitter 9% 1% Rx 9% 1% Combiner Optical Probe Det. + ADC Sample 2D Linear Stage Sample Wafer Thickness Wedge Removed Mean Optical Thickness = mm Residual Optical Thickness Best Fit Planar Surface Removed mx = my = b = X Coordinate (mm) X Coordinate (mm) -2
15 Y Coordinte (cm) microns Z Coordinate (um) microns Optical Metrology Complex machined optical surfaces 3 Specular reflections and large off normal surface angles require high NA objectives Scaled and Offset Original data Multiple surfaces can be measured simultaneously mm 2 Figures generated by MSU-Spectrum Lab for Wavesource Inc. using Bridger Photonics SLM-M laser system Surface Profile - Sample #3 Scaled and Offset Original Data 2 4 mm mm X Coordinate (cm) 2 4 mm Figures generated by MSU-Spectrum Lab for Wavesource Inc. using Bridger Photonics Y Coordinate (cm) X Coordinate (cm).8
16 Large Volume Metrology Laser Trackers Require cooperative target Crossrange resolution and precision insufficient Proposed FWCW ladar solution Synthetic Aperture Ladar (SAL) to improve crossrange resolution Trilateration to improve crossrange resolution Multistatic SAL Trilateration 3D SAL Image Receiver A c D SA B b Transmitter a C x,y,z 5µm Resolution <1µm Precision
17 Synthetic Aperture Ladar Chirp Laser 9/1 circulator 5/5 target stage SL ADC and Post- Processing Paper Cutouts On Black Background Phase Gradient Autofocus (PGA) used to phase paper images 3M Diamond Reflective Sheeting S. M. Beck et al., Synthetic-aperture imaging laser radar: laboratory demonstration and signal processing, Applied Optics, vol. 44, pp , 25.
18 Conclusions Active linearization of ultra-broadband (> THz) laser sweeps High resolution and precision unambiguous ranging Current accuracy 1-8 of range, 1-9 possible Short and long range metrology applications High resolution Synthetic Aperture Imaging Acknowledgements: Bridger Photonics; Stephen Dunn Wavesource Inc. for optical samples; Esther Baumann, William Swann, Randy Babbitt, Jason Dahl Financial Support: Montana Board of Research and Commercialization Technology NSF GOALI\MCME # NSF SBIR
FMCW Differential Synthetic Aperture Ladar for Turbulence Mitigation 18 th Coherent Laser Radar Conference
FMCW Differential Synthetic Aperture Ladar for Turbulence Mitigation 18 th Coherent Laser Radar Conference June 3, 16 Zeb Barber, Jason Dahl, Ross Blaszczyk Outline Ultra-high resolution (< mm) FMCW sources
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 informationOptical Phase Lock Loop (OPLL) with Tunable Frequency Offset for Distributed Optical Sensing Applications
Optical Phase Lock Loop (OPLL) with Tunable Frequency Offset for Distributed Optical Sensing Applications Vladimir Kupershmidt, Frank Adams Redfern Integrated Optics, Inc, 3350 Scott Blvd, Bldg 62, Santa
More informationo Conclusion and future work. 2
Robert Brown o Concept of stretch processing. o Current procedures to produce linear frequency modulation (LFM) chirps. o How sparse frequency LFM was used for multifrequency stretch processing (MFSP).
More information200-GHz 8-µs LFM Optical Waveform Generation for High- Resolution Coherent Imaging
Th7 Holman, K.W. 200-GHz 8-µs LFM Optical Waveform Generation for High- Resolution Coherent Imaging Kevin W. Holman MIT Lincoln Laboratory 244 Wood Street, Lexington, MA 02420 USA kholman@ll.mit.edu Abstract:
More informationFast Widely-Tunable CW Single Frequency 2-micron Laser
Fast Widely-Tunable CW Single Frequency 2-micron Laser Charley P. Hale and Sammy W. Henderson Beyond Photonics LLC 1650 Coal Creek Avenue, Ste. B Lafayette, CO 80026 Presented at: 18 th Coherent Laser
More informationOptical phase-coherent link between an optical atomic clock. and 1550 nm mode-locked lasers
Optical phase-coherent link between an optical atomic clock and 1550 nm mode-locked lasers Kevin W. Holman, David J. Jones, Steven T. Cundiff, and Jun Ye* JILA, National Institute of Standards and Technology
More informationThe Theta Laser A Low Noise Chirped Pulse Laser. Dimitrios Mandridis
CREOL Affiliates Day 2011 The Theta Laser A Low Noise Chirped Pulse Laser Dimitrios Mandridis dmandrid@creol.ucf.edu April 29, 2011 Objective: Frequency Swept (FM) Mode-locked Laser Develop a frequency
More informationSimultaneous ranging and velocimetry of fast moving targets using oppositely chirped pulses from a mode-locked laser
Simultaneous ranging and velocimetry of fast moving targets using oppositely chirped pulses from a mode-locked laser Mohammad U. Piracha, 1,2 Dat Nguyen, 1 Ibrahim Ozdur, 1 and Peter J Delfyett 1,3 1 CREOL,
More informationDirectly Chirped Laser Source for Chirped Pulse Amplification
Directly Chirped Laser Source for Chirped Pulse Amplification Input pulse (single frequency) AWG RF amp Output pulse (chirped) Phase modulator Normalized spectral intensity (db) 64 65 66 67 68 69 1052.4
More informationtaccor 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 informationPlanar External Cavity Low Noise Narrow Linewidth Lasers
Planar External Cavity Low Noise Narrow Linewidth Lasers Lew Stolpner Redfern Integrated Optics Inc. Santa Clara, CA 95054, USA 1 Outline 1550 nm narrow linewidth lasers for fiber optic sensing Planar
More information레이저의주파수안정화방법및그응용 박상언 ( 한국표준과학연구원, 길이시간센터 )
레이저의주파수안정화방법및그응용 박상언 ( 한국표준과학연구원, 길이시간센터 ) Contents Frequency references Frequency locking methods Basic principle of loop filter Example of lock box circuits Quantifying frequency stability Applications
More informationSupplementary Figures
1 Supplementary Figures a) f rep,1 Δf f rep,2 = f rep,1 +Δf RF Domain Optical Domain b) Aliasing region Supplementary Figure 1. Multi-heterdoyne beat note of two slightly shifted frequency combs. a Case
More informationHolography Transmitter Design Bill Shillue 2000-Oct-03
Holography Transmitter Design Bill Shillue 2000-Oct-03 Planned Photonic Reference Distribution for Test Interferometer The transmitter for the holography receiver is made up mostly of parts that are already
More informationA transportable optical frequency comb based on a mode-locked fibre laser
A transportable optical frequency comb based on a mode-locked fibre laser B. R. Walton, H. S. Margolis, V. Tsatourian and P. Gill National Physical Laboratory Joint meeting for Time and Frequency Club
More informationOptical phase-locked loop for coherent transmission over 500 km using heterodyne detection with fiber lasers
Optical phase-locked loop for coherent transmission over 500 km using heterodyne detection with fiber lasers Keisuke Kasai a), Jumpei Hongo, Masato Yoshida, and Masataka Nakazawa Research Institute of
More informationSpectrally resolved frequency comb interferometry for long distance measurement
Spectrally resolved frequency comb interferometry for long distance measurement Steven van den Berg, Sjoerd van Eldik, Nandini Bhattacharya Workshop Metrology for Long Distance Surveying 21 November 2014
More informationChapter 1. Overview. 1.1 Introduction
1 Chapter 1 Overview 1.1 Introduction The modulation of the intensity of optical waves has been extensively studied over the past few decades and forms the basis of almost all of the information applications
More informationBroadband laser ranging for explosive experiments
DOE/NV/25946--2828 Broadband laser ranging for explosive experiments B. La Lone, B. Marshall, C. V. Bennett, a P. Younk, b K. Miller, E. Daykin National Security Technologies, LLC Special Technologies
More informationOptoelectronic Components Testing with a VNA(Vector Network Analyzer) VNA Roadshow Budapest 17/05/2016
Optoelectronic Components Testing with a VNA(Vector Network Analyzer) VNA Roadshow Budapest 17/05/2016 Content Introduction Photonics & Optoelectronics components Optical Measurements VNA (Vector Network
More informationPrecise control of broadband frequency chirps using optoelectronic feedback
Precise control of broadband frequency chirps using optoelectronic feedback Naresh Satyan, 1,* Arseny Vasilyev, 2 George Rakuljic, 3 Victor Leyva, 1,4 and Amnon Yariv 1,2 1 Department of Electrical Engineering,
More informationReference Distribution
EPAC 08, Genoa, Italy RF Reference Signal Distribution System for FAIR M. Bousonville, GSI, Darmstadt, Germany P. Meissner, Technical University Darmstadt, Germany Dipl.-Ing. Michael Bousonville Page 1
More informationREPORT DOCUMENTATION PAGE
REPORT DOCUMENTATION PAGE Form Approved OMB NO. 74-188 The public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions,
More informationIntuitive description and experimental proof tests of Optical Ranging
Unclassified 1 Intuitive description and experimental proof tests of Optical Ranging Patrick Younk (P-23), Erik Moro (W-4), Matthew Briggs (W-4), Los Alamos National Laboratory, Dan Knierim, Tektronix
More informationLonger baselines and how it impacts the ALMA Central LO
Longer baselines and how it impacts the ALMA Central LO 1 C. Jacques - NRAO October 3-4-5 2017 ALMA LBW Quick overview of current system Getting the data back is not the problem (digital transmission),
More informationAbsolute distance measurement with an unraveled femtosecond frequency comb Steven van den Berg
Absolute distance measurement with an unraveled femtosecond frequency comb Steven van den Berg Stefan Persijn Gertjan Kok Mounir Zeitouny Nandini Bhattacharya ICSO 11 October 2012 Outline Introduction
More informationPhase-Lock Techniques for Phase and Frequency Control of Semiconductor Lasers
Phase-Lock Techniques for Phase and Frequency Control of Semiconductor Lasers Lee Center Workshop 05/22/2009 Amnon Yariv California Institute of Technology Naresh Satyan, Wei Liang, Arseny Vasilyev Caltech
More informationFM cw Radar. FM cw Radar is a low cost technique, often used in shorter range applications"
11: FM cw Radar 9. FM cw Radar 9.1 Principles 9.2 Radar equation 9.3 Equivalence to pulse compression 9.4 Moving targets 9.5 Practical considerations 9.6 Digital generation of wideband chirp signals FM
More informationTerahertz radar imaging for standoff personnel screening
Terahertz radar imaging for standoff personnel screening European Microwave Conference, October 211 Ken Cooper Submillimeter-Wave Advanced Technology (SWAT) Team NASA Jet Propulsion Laboratory California
More informationAbsolute distance interferometer in LaserTracer geometry
Absolute distance interferometer in LaserTracer geometry Corresponding author: Karl Meiners-Hagen Abstract 1. Introduction 1 In this paper, a combination of variable synthetic and two-wavelength interferometry
More informationPhotonic time-stretching of 102 GHz millimeter waves using 1.55 µm nonlinear optic polymer EO modulators
Photonic time-stretching of 10 GHz millimeter waves using 1.55 µm nonlinear optic polymer EO modulators H. Erlig Pacific Wave Industries H. R. Fetterman and D. Chang University of California Los Angeles
More informationUnderstanding Low Phase Noise Signals. Presented by: Riadh Said Agilent Technologies, Inc.
Understanding Low Phase Noise Signals Presented by: Riadh Said Agilent Technologies, Inc. Introduction Instabilities in the frequency or phase of a signal are caused by a number of different effects. Each
More information771 Series LASER SPECTRUM ANALYZER. The Power of Precision in Spectral Analysis. It's Our Business to be Exact! bristol-inst.com
771 Series LASER SPECTRUM ANALYZER The Power of Precision in Spectral Analysis It's Our Business to be Exact! bristol-inst.com The 771 Series Laser Spectrum Analyzer combines proven Michelson interferometer
More informationSYNTHETIC APERTURE LADAR TECHNIQUES. Stephen Capdepon Crouch. A thesis submitted in partial fulfillment of the requirements for the degree
SYNTHETIC APERTURE LADAR TECHNIQUES by Stephen Capdepon Crouch A thesis submitted in partial fulfillment of the requirements for the degree of Masters of Science in Physics MONTANA STATE UNIVERSITY Bozeman,
More informationOptical generation of frequency stable mm-wave radiation using diode laser pumped Nd:YAG lasers
Optical generation of frequency stable mm-wave radiation using diode laser pumped Nd:YAG lasers T. Day and R. A. Marsland New Focus Inc. 340 Pioneer Way Mountain View CA 94041 (415) 961-2108 R. L. Byer
More informationOptical Delay Line Application Note
1 Optical Delay Line Application Note 1.1 General Optical delay lines system (ODL), incorporates a high performance lasers such as DFBs, optical modulators for high operation frequencies, photodiodes,
More informationLecture Topics. Doppler CW Radar System, FM-CW Radar System, Moving Target Indication Radar System, and Pulsed Doppler Radar System
Lecture Topics Doppler CW Radar System, FM-CW Radar System, Moving Target Indication Radar System, and Pulsed Doppler Radar System 1 Remember that: An EM wave is a function of both space and time e.g.
More informationGET10B Radar Measurement Basics- Spectrum Analysis of Pulsed Signals. Copyright 2001 Agilent Technologies, Inc.
GET10B Radar Measurement Basics- Spectrum Analysis of Pulsed Signals Copyright 2001 Agilent Technologies, Inc. Agenda: Power Measurements Module #1: Introduction Module #2: Power Measurements Module #3:
More informationUniversity of Central Florida. Mohammad Umar Piracha University of Central Florida. Doctoral Dissertation (Open Access)
University of Central Florida Electronic Theses and Dissertations Doctoral Dissertation (Open Access) A Laser Radar Employing Linearly Chirped Pulses From A Mode-locked Laser For Long Range, Unambiguous,
More informationFrequency Scanned Interferometer Demonstration System
Frequency Scanned Interferometer Demonstration System Jason Deibel, Sven Nyberg, Keith Riles, Haijun Yang University of Michigan, Ann Arbor American Linear Collider Workshop SLAC, Stanford University January
More informationsome aspects of Optical Coherence Tomography
some aspects of Optical Coherence Tomography SSOM Lectures, Engelberg 17.3.2009 Ch. Meier 1 / 34 Contents 1. OCT - basic principles (Time Domain Frequency Domain) 2. Performance and limiting factors 3.
More informationBroadband Millimeter-wave FMCW Radar for Imaging of Humans
Broadband Millimeter-wave FMCW Radar for Imaging of Humans A. Dallinger, S. Schelkshorn, J. Detlefsen Technische Universität München, Lehrstuhl für Hochfrequenztechnik, Fachgebiet Hochfrequente Felder
More informationFREQUENCY COMB DEVELOPMENT FOR ULTRA-PRECISE SPACE BASED APPLICATIONS. Jordan Wachs Ball Aerospace ABSTRACT INTRODUCTION
FREQUENCY COMB DEVELOPMENT FOR ULTRA-PRECISE SPACE BASED APPLICATIONS Jordan Wachs Ball Aerospace jwachs@ball.com ABSTRACT Frequency comb technology uses a unique combination of broadband optical coherence
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 informationDIFFERENTIAL ABSORPTION LIDAR FOR GREENHOUSE GAS MEASUREMENTS
DIFFERENTIAL ABSORPTION LIDAR FOR GREENHOUSE GAS MEASUREMENTS Stephen E. Maxwell, Sensor Science Division, PML Kevin O. Douglass, David F. Plusquellic, Radiation and Biomolecular Physics Division, PML
More informationLecture 6 Fiber Optical Communication Lecture 6, Slide 1
Lecture 6 Optical transmitters Photon processes in light matter interaction Lasers Lasing conditions The rate equations CW operation Modulation response Noise Light emitting diodes (LED) Power Modulation
More informationIt s Our Business to be EXACT
671 LASER WAVELENGTH METER It s Our Business to be EXACT For laser applications such as high-resolution laser spectroscopy, photo-chemistry, cooling/trapping, and optical remote sensing, wavelength information
More informationThulium-Doped Fiber Amplifier Development for Power Scaling the 2 Micron Coherent Laser Absorption Instrument for ASCENDS
Thulium-Doped Fiber Amplifier Development for Power Scaling the 2 Micron Coherent Laser Absorption Instrument for ASCENDS Mark W. Phillips Lockheed Martin Coherent Technologies 135 South Taylor Avenue,
More informationRange Dependent Turbulence Characterization by Co-operating Coherent Doppler Lidar with Direct Detection Lidar
Range Dependent Turbulence Characterization by Co-operating Coherent Doppler idar with Direct Detection idar Sameh Abdelazim(a), David Santoro(b), Mark Arend(b), Sam Ahmed(b), and Fred Moshary(b) (a)fairleigh
More informationFrequency Scanned Interferometer Demonstration System
Wright State University CORE Scholar Physics Faculty Publications Physics 1-2005 Frequency Scanned Interferometer Demonstration System Jason A. Deibel Wright State University - Main Campus, jason.deibel@wright.edu
More informationSupplementary Figures
Supplementary Figures Supplementary Figure 1: Mach-Zehnder interferometer (MZI) phase stabilization. (a) DC output of the MZI with and without phase stabilization. (b) Performance of MZI stabilization
More informationSwept Wavelength Testing:
Application Note 13 Swept Wavelength Testing: Characterizing the Tuning Linearity of Tunable Laser Sources In a swept-wavelength measurement system, the wavelength of a tunable laser source (TLS) is swept
More informationPhotomixing THz Spectrometer Review
Photomixing THz Spectrometer Review Joseph R. Demers, PhD 9/29/2015 Leveraging Telecom Manufacturing Techniques to Improve THz Technology Terahertz Spectrum THz radiation was difficult to produce and detect
More informationAPPLICATIONS OF HIGH RESOLUTION AND ACCURACY FREQUENCY MODULATED CONTINUOUS WAVE LADAR. Ana Baselga Mateo
APPLICATIONS OF HIGH RESOLUTION AND ACCURACY FREQUENCY MODULATED CONTINUOUS WAVE LADAR by Ana Baselga Mateo A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science
More informationHigh-Power Highly Linear Photodiodes for High Dynamic Range LADARs
High-Power Highly Linear Photodiodes for High Dynamic Range LADARs Shubhashish Datta and Abhay Joshi th June, 6 Discovery Semiconductors, Inc. 9 Silvia Street, Ewing, NJ - 868, USA www.discoverysemi.com
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 informationLow-cost Chirp Linearization for Long Range ISAL Imaging Application
Low-cost Chirp Linearization for Long Range ISAL Imaging Application Hanying Zhou *, Bijian Nemati, Mike Shao, Chengxing Zhai Inseob Hahn, William Schulze, Russell Trahan Jet Propulsion Laboratory, California
More informationPerformance of the Prototype NLC RF Phase and Timing Distribution System *
SLAC PUB 8458 June 2000 Performance of the Prototype NLC RF Phase and Timing Distribution System * Josef Frisch, David G. Brown, Eugene Cisneros Stanford Linear Accelerator Center, Stanford University,
More informationUtilizzo del Time Domain per misure EMI
Utilizzo del Time Domain per misure EMI Roberto Sacchi Measurement Expert Manager - Europe 7 Giugno 2017 Compliance EMI receiver requirements (CISPR 16-1-1 ) range 9 khz - 18 GHz: A normal +/- 2 db absolute
More informationBeam Diagnostics, Low Level RF and Feedback for Room Temperature FELs. Josef Frisch Pohang, March 14, 2011
Beam Diagnostics, Low Level RF and Feedback for Room Temperature FELs Josef Frisch Pohang, March 14, 2011 Room Temperature / Superconducting Very different pulse structures RT: single bunch or short bursts
More informationFringe Parameter Estimation and Fringe Tracking. Mark Colavita 7/8/2003
Fringe Parameter Estimation and Fringe Tracking Mark Colavita 7/8/2003 Outline Visibility Fringe parameter estimation via fringe scanning Phase estimation & SNR Visibility estimation & SNR Incoherent and
More informationA Hybrid Φ/B-OTDR for Simultaneous Vibration and Strain Measurement
PHOTONIC SENSORS / Vol. 6, No. 2, 216: 121 126 A Hybrid Φ/B-OTDR for Simultaneous Vibration and Strain Measurement Fei PENG * and Xuli CAO Key Laboratory of Optical Fiber Sensing & Communications (Ministry
More informationAccurate Phase Noise Measurements Made Cost Effective
MTTS 2008 MicroApps Accurate Phase Noise Measurements Made Cost Effective author : Jason Breitbarth, PhD. Boulder, Colorado, USA Presentation Outline Phase Noise Intro Additive and Absolute Oscillator
More informationComparison of FMCW-LiDAR system with optical- and electricaldomain swept light sources toward self-driving mobility application
P1 Napat J.Jitcharoenchai Comparison of FMCW-LiDAR system with optical- and electricaldomain swept light sources toward self-driving mobility application Napat J.Jitcharoenchai, Nobuhiko Nishiyama, Tomohiro
More informationModel 7000 Series Phase Noise Test System
Established 1981 Advanced Test Equipment Rentals www.atecorp.com 800-404-ATEC (2832) Model 7000 Series Phase Noise Test System Fully Integrated System Cross-Correlation Signal Analysis to 26.5 GHz Additive
More informationReceiver Signal to Noise Ratios for IPDA Lidars Using Sinewave and Pulsed Laser Modulation and Direct Detections
Receiver Signal to Noise Ratios for IPDA Lidars Using Sinewave and Pulsed Laser Modulation and Direct Detections Xiaoli Sun and James B. Abshire NASA Goddard Space Flight Center Solar System Division,
More informationECEN689: Special Topics in Optical Interconnects Circuits and Systems Spring 2016
ECEN689: Special Topics in Optical Interconnects Circuits and Systems Spring 016 Lecture 7: Transmitter Analysis Sam Palermo Analog & Mixed-Signal Center Texas A&M University Optical Modulation Techniques
More informationModel 745 Series. Berkeley Nucleonics Test, Measurement and Nuclear Instrumentation since Model 845-HP Datasheet BNC
Model 845-HP Datasheet Model 745 Series Portable 20+ GHz Microwave Signal Generator High Power +23dBM Power Output 250 fs Digital Delay Generator BNC Berkeley Nucleonics Test, Measurement and Nuclear Instrumentation
More informationHistory of Velocimetry Technology
SAND2012-9001C? History of Velocimetry Technology Brook Jilek Explosives Technologies Group Sandia National Laboratories Albuquerque, NM bajilek@sandia.gov The 7th Annual PDV Workshop, Albuquerque, NM
More information7 CHAPTER 7: REFRACTIVE INDEX MEASUREMENTS WITH COMMON PATH PHASE SENSITIVE FDOCT SETUP
7 CHAPTER 7: REFRACTIVE INDEX MEASUREMENTS WITH COMMON PATH PHASE SENSITIVE FDOCT SETUP Abstract: In this chapter we describe the use of a common path phase sensitive FDOCT set up. The phase measurements
More informationAPPH6040B / APPH20G-B Specification V2.0
APPH6040B / APPH20G-B Specification V2.0 (July 2014, Serial XXX-XX33XXXXX-XXXX or higher) A fully integrated high-performance cross-correlation signal source analyzer for to 7 or 26 GHz 1 Introduction
More informationDiode Laser Control Electronics. Diode Laser Locking and Linewidth Narrowing. Rudolf Neuhaus, Ph.D. TOPTICA Photonics AG
Appl-1012 Diode Laser Control Electronics Diode Laser Locking and Linewidth Narrowing Rudolf Neuhaus, Ph.D. TOPTICA Photonics AG Introduction Stabilized diode lasers are well established tools for many
More informationPowerPXIe Series. Analog Power Meter ADVANCE SPEC SHEET
PowerPXIe-1500 PowerPXIe 1500 Series Analog Power Meter ADVANCE SPEC SHEET Coherent Solutions PowerPXIe 1500 Series analog power meter brings cost-effective test and measurement in convenient PXIe form
More informationIntroduction. In the frequency domain, complex signals are separated into their frequency components, and the level at each frequency is displayed
SPECTRUM ANALYZER Introduction A spectrum analyzer measures the amplitude of an input signal versus frequency within the full frequency range of the instrument The spectrum analyzer is to the frequency
More informationFrequency Comb Development for Ultra- Precise Space Based Applications
Frequency Comb Development for Ultra- Precise Space Based Applications Jordan Wachs Systems Engineer Ball Aerospace Ball has a strong history of working with space based and precision laser systems Calipso
More informationTraceability and Modulated-Signal Measurements
Traceability and Modulated-Signal Measurements Kate A. Remley 1, Dylan F. Williams 1, Paul D. Hale 2 and Dominique Schreurs 3 1. NIST Electromagnetics Division 2. NIST Optoelectronics Division 3. K.U.
More informationSupplementary Information. All-fibre photonic signal generator for attosecond timing. and ultralow-noise microwave
1 Supplementary Information All-fibre photonic signal generator for attosecond timing and ultralow-noise microwave Kwangyun Jung & Jungwon Kim* School of Mechanical and Aerospace Engineering, Korea Advanced
More informationR. J. Jones College of Optical Sciences OPTI 511L Fall 2017
R. J. Jones College of Optical Sciences OPTI 511L Fall 2017 Active Modelocking of a Helium-Neon Laser The generation of short optical pulses is important for a wide variety of applications, from time-resolved
More informationPB T/R Two-Channel Portable Frequency Domain Terahertz Spectrometer
Compact, Portable Terahertz Spectroscopy System Bakman Technologies versatile PB7220-2000-T/R Spectroscopy Platform is designed for scanning complex compounds to precise specifications with greater accuracy
More informationEVLA Memo 105. Phase coherence of the EVLA radio telescope
EVLA Memo 105 Phase coherence of the EVLA radio telescope Steven Durand, James Jackson, and Keith Morris National Radio Astronomy Observatory, 1003 Lopezville Road, Socorro, NM, USA 87801 ABSTRACT The
More informationChapter 4 Application of OPLLs in coherent beam combining
55 Chapter 4 Application of OPLLs in coherent beam combining 4.1 Introduction of coherent beam combining 4.1.1 Spectral beam combining vs coherent beam combining High power, high brightness lasers with
More informationControl of coherent light and its broad applications
Control of coherent light and its broad applications Jun Ye, R. J. Jones, K. Holman, S. Foreman, D. J. Jones, S. T. Cundiff, J. L. Hall, T. M. Fortier, and A. Marian JILA, National Institute of Standards
More informationSUPPLEMENTARY INFORMATION
Frequency-agile dual-comb spectroscopy Guy Millot 1, Stéphane Pitois 1, Ming Yan 2,3, Tatevik Hovannysyan 1, Abdelkrim Bendahmane 1, Theodor W. Hänsch 2,3, Nathalie Picqué 2,3,4,* 1. Laboratoire Interdisciplinaire
More informationOptical Digital Transmission Systems. Xavier Fernando ADROIT Lab Ryerson University
Optical Digital Transmission Systems Xavier Fernando ADROIT Lab Ryerson University Overview In this section we cover point-to-point digital transmission link design issues (Ch8): Link power budget calculations
More informationInvestigations on the performance of lidar measurements with different pulse shapes using a multi-channel Doppler lidar system
Th12 Albert Töws Investigations on the performance of lidar measurements with different pulse shapes using a multi-channel Doppler lidar system Albert Töws and Alfred Kurtz Cologne University of Applied
More informationPhotonic Integrated Circuit for Radio-Frequency Interference Cancellation
Developing a Photonic Integrated Circuit for Radio-Frequency Interference Cancellation Matthew Chang, Monica Lu, Jenny Sun and Paul R. Prucnal Lightwave Communications Research Lab Princeton University
More informationFemtosecond optical parametric oscillator frequency combs for high-resolution spectroscopy in the mid-infrared
Femtosecond optical parametric oscillator frequency combs for high-resolution spectroscopy in the mid-infrared Zhaowei Zhang, Karolis Balskus, Richard A. McCracken, Derryck T. Reid Institute of Photonics
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 informationDemonstration of Range & Doppler Compensated Holographic Ladar
Demonstration of Range & Doppler Compensated Holographic Ladar Jason Stafford a, Piotr Kondratko b, Brian Krause b, Benjamin Dapore a, Nathan Seldomridge b, Paul Suni b, David Rabb a (a) Air Force Research
More informationAn Ultra Wideband Local Positioning System for Highly Complex Indoor Environments
An Ultra Wideband Local Positioning System for Highly Complex Indoor Environments Benjamin Waldmann, Robert Weigel Institute for Electronics Engineering University of Erlangen Nuremberg Randolf Ebelt,
More informationPushing the envelope: HI-CLASS Range and Range-rate. Abstract. 1. Introduction
Pushing the envelope: HI-CLASS Range and Range-rate Dr. Paul Konkola 1, Charles Crandall, Tim Georges, Robert Lercari (Textron Systems) Moe Tun (Advanced Technology Corp) Laura Ulibarri, Jill Watson (Air
More informationGenetically Optimized Periodic, Pseudo-Noise Waveforms for Multi-Function Coherent Ladar
Genetically Optimized Periodic, Pseudo-Noise Waveforms for Multi-Function Coherent Ladar Matthew P. Dierking Air Force Research Laboratory, Sensors Directorate, Wright-Patterson AFB, Ohio USA matthew.dierking@wpafb.af.mil
More informationReceiver Signal to Noise Ratios for IPDA Lidars Using Sine-wave and Pulsed Laser Modulation and Direct Detections
Receiver Signal to Noise Ratios for IPDA Lidars Using Sine-wave and Pulsed Laser Modulation and Direct Detections Xiaoli Sun and James B. Abshire NASA Goddard Space Flight Center Solar System Division,
More informationAmplifier Characterization in the millimeter wave range. Tera Hertz : New opportunities for industry 3-5 February 2015
Amplifier Characterization in the millimeter wave range Tera Hertz : New opportunities for industry 3-5 February 2015 Millimeter Wave Converter Family ZVA-Z500 ZVA-Z325 Y Band (WR02) ZVA-Z220 J Band (WR03)
More informationAPPLICATION NOTE. Advanced Programmable Wavelength Markers For Swept Laser Based Test-Measurement Applications
APPLICATION NOTE Advanced Programmable Wavelength Markers For Swept Laser Based Test-Measurement Applications 46 Technology and Applications Center Newport Corporation External (or extended) cavity diode
More informationOptical Coherent Receiver Analysis
Optical Coherent Receiver Analysis 7 Capella Court Nepean, ON, Canada K2E 7X1 +1 (613) 224-4700 www.optiwave.com 2009 Optiwave Systems, Inc. Introduction (1) Coherent receiver analysis Optical coherent
More informationStability of a Fiber-Fed Heterodyne Interferometer
Stability of a Fiber-Fed Heterodyne Interferometer Christoph Weichert, Jens Flügge, Paul Köchert, Rainer Köning, Physikalisch Technische Bundesanstalt, Braunschweig, Germany; Rainer Tutsch, Technische
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 informationCoherent power combination of two Masteroscillator-power-amplifier. semiconductor lasers using optical phase lock loops
Coherent power combination of two Masteroscillator-power-amplifier (MOPA) semiconductor lasers using optical phase lock loops Wei Liang, Naresh Satyan and Amnon Yariv Department of Applied Physics, MS
More information