2015 IEEE High Power Diode Lasers and Systems Conference (HPD 2015)

Size: px

Start display at page:

Download "2015 IEEE High Power Diode Lasers and Systems Conference (HPD 2015)"

Bryce Cox
5 years ago
Views:

1 2015 IEEE High Power Diode Lasers and Systems Conference (HPD 2015) Coventry, United Kingdom October 2015 IEEE Catalog Number: ISBN: CFP1571I-POD

Copyright 2015 by the Institute of Electrical and Electronic Engineers, Inc All Rights Reserved Copyright and Reprint Permissions: Abstracting is permitted with credit to the source.

2 Copyright 2015 by the Institute of Electrical and Electronic Engineers, Inc All Rights Reserved Copyright and Reprint Permissions: Abstracting is permitted with credit to the source. Libraries are permitted to photocopy beyond the limit of U.S. copyright law for private use of patrons those articles in this volume that carry a code at the bottom of the first page, provided the per-copy fee indicated in the code is paid through Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA For other copying, reprint or republication permission, write to IEEE Copyrights Manager, IEEE Service Center, 445 Hoes Lane, Piscataway, NJ All rights reserved. ***This publication is a representation of what appears in the IEEE Digital Libraries. Some format issues inherent in the e-media version may also appear in this print version. IEEE Catalog Number: CFP1571I-POD ISBN (Print-On-Demand): ISBN (Online): Additional Copies of This Publication Are Available From: Curran Associates, Inc 57 Morehouse Lane Red Hook, NY USA Phone: (845) Fax: (845) curran@proceedings.com Web:

3 Contents Conference Committee v Wednesday 14 th October 2015 SESSION 1 NOVEL HIGH BRIGHTNESS LASERS DIODES KEYNOTE ADDRESS: Prospects for high-power blue lasers on nonpolar and semipolar GaN. 1 Jim Speck, University of California, Santa Barbara, USA High power picosecond and nanosecond diode laser sources in the wavelength range nm to 1100 nm. Andreas Klehr, Ferdinand-Braun-Institute, Berlin, Germany High-power THz quantum cascade lasers. 5 Karl Unterrainer, Vienna University of Technology Photonics Institute, Austria SESSION 2 LASER DIODES WITH HIGH POWER CONVERSION EFFICIENCY & POSTER SESSION Performance and reliability of high power, high brightness 8xx-9xx nm semiconductor laser diodes. 7 Yuji Yamagata, OPTOENERGY Inc, Japan Theory and modelling of the power conversion efficiency of large optical cavity laser diodes. 9 Eugene Avrutin, University of York, UK POSTER SESSION Passive coherent combining of two tapered laser diodes in an interferometric 11 external cavity. Guillaume Schimmel, Laboratoire Charles Fabry - Institut d'optique, France Frequency stabilisation of single emitters and the effect on the beam quality. 13 Sarah Klein, Fraunhofer-Institut für Lasertechnik ILT, Germany Characterisation of ultra-narrow band filters for diode laser systems 15 based on dense wavelength division multiplexing. David Rubel, Fraunhofer-Institut für Lasertechnik ILT, Germany High power diode laser with 23 W ex 35 µm fibre. 17 Ulrich Witte, Fraunhofer-Institut für Lasertechnik ILT, Germany 1.55 μm DFB laser monolithically integrated with 3-stage power amplifier array. 19 Lianping Hou, iii

4 Study of lateral brightness in 20 µm to 50 µm wide narrow stripe broad area lasers. 21 Jonathan Decker, Ferdinand-Braun-Institut, Germany Customizable assembly solutions for optical systems. 23 Tobias Müller, Fraunhofer-Institut für Produktionstechnologie IPT, Germany Ultra-narrow spectral linewidth diode lasers for the pumping of alkalis. 25 Joseph Braker, DILAS Diode Laser, Inc., USA Self-consistent simulation of high-brightness diode lasers with external optical feedback. 27 Mohamad Helal, University of Nottingham, UK Thursday 15 th October 2015 SESSION 3 POWER SCALING FOR KW-CLASS DIODE LASER SYSTEMS Recent progress on high-brightness kw-class direct diode lasers. 29 Robin Huang, Teradiode Inc., USA Spectrally stabilized and combined diode lasers. 31 Hagen Zimer, Trumpf Laser GmbH, Germany KW class diode laser technology and beam quality converters. 33 Andre Eltze, Laserline GmbH, Germany High power, high brightness diode lasers for kw laser systems. 35 Victor Rossin, Lumentum, USA Extra bright high power laser bars. 37 Christian Lauer, OSRAM Opto Semiconductors, Germany SESSION 4: HIGH-POWER LASER DIODE APPLICATIONS AND DEGRADATION PERFORMANCE KEYNOTE ADDRESS: Selective laser melting for additive manufacturing: perspectives 39 for diode lasers. Christian Hinke, Fraunhofer Institute for Laser Technology, Germany Fiber coupled laser diode reliability: impact of feedback on diode lifetime and failure modes. 41 Heiko Kissel, DILAS Diodenlaser, Germany Failure mechanisms in high power diode lasers: wide -vs- narrow band gap materials. 43 Martin Hempel, Max-Born-Institute, Germany iv

5 Conference Committee Programme Organisation Eric Larkins (Co-chair) University of Nottingham, UK John Marsh (Co-chair) Berthold Schmidt (Co-chair) TRUMPF Laser Marking Systems AG, Switzerland Martin Traub (Publication Chair) Fraunhofer Institut für Lasertechnik ILT, Germany Technical Programme Committee Eric Larkins University of Nottingham, UK John Marsh Berthold Schmidt TRUMPF Laser Marking Systems AG, Switzerland Martin Traub Fraunhofer Institut für Lasertechnik ILT, Germany Thomas Brand DILAS Diodenlaser, Germany Paul Crump Ferdinand-Braun-Institut FBH, Germany Robin Huang TeraDiode, USA Marc Sorel Erik Zucker Lumentum, USA v