High Power Diode Lasers
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High Power Diode Lasers
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Author : Roland Diehl
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-07-01
High Power Diode Lasers written by Roland Diehl and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-07-01 with Science categories.
Starting from the basics of semiconductor lasers with emphasis on the generation of high optical output power the reader is introduced in a tutorial way to all key technologies required to fabricate high-power diode-laser sources. Various applications are exemplified.
High Power Diode Lasers
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Author : Friedrich Bachmann
language : en
Publisher: Springer
Release Date : 2007-05-26
High Power Diode Lasers written by Friedrich Bachmann and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-26 with Science categories.
This book summarizes a five year research project, as well as subsequent results regarding high power diode laser systems and their application in materials processing. The text explores the entire chain of technology, from the semiconductor technology, through cooling mounting and assembly, beam shaping and system technology, to applications in the processing of such materials as metals and polymers. Includes theoretical models, a range of important parameters and practical tips.
Epitaxial Design Optimizations For Increased Efficiency In Gaas Based High Power Diode Lasers
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Author : Thorben Kaul
language : en
Publisher: Cuvillier Verlag
Release Date : 2021-04-09
Epitaxial Design Optimizations For Increased Efficiency In Gaas Based High Power Diode Lasers written by Thorben Kaul and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-09 with Science categories.
This work presents progress in the root-cause analysis of power saturation mechanisms in continuous wave (CW) driven GaAs-based high-power broad area diode lasers operated at 935 nm. Target is to increase efficiency at high optical CW powers by epitaxial design. The novel extreme triple asymmetric (ETAS) design was developed and patented within this work to equip diode lasers that use an extremely thin p-waveguide with a high modal gain. An iterative variation of diode lasers employing ETAS designs was used to experimentally clarify the impact of modal gain on the temperature dependence of internal differential quantum efficiency (IDQE) and optical loss. High modal gain leads to increased free carrier absorption from the active region. However, less power saturation is observed, which must then be attributed to an improved temperature sensitivity of the IDQE. The effect of longitudinal spatial hole burning (LSHB) leads to above average non-linear carrier loss at the back facet of the device. At high CW currents the junction temperature rises. Therefore, not only the asymmetry of the carrier profile increases but also the average carrier density in order to compensate for the decreased material gain and increased threshold gain. This carrier non-pinning effect above threshold is found in this work to enhance the impact of LSHB already at low currents, leading to rapid degradation of IDQE with temperature. This finding puts LSHB into a new context for CW-driven devices as it emphasizes the importance of low carrier densities at threshold. The carrier density was effectively reduced by applying the novel ETAS design. This enabled diode lasers to be realized that show minimized degradation of IDQE with temperature and therefore improved performance in CW operation.
Packaging Of High Power Semiconductor Lasers
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Author : Xingsheng Liu
language : en
Publisher: Springer
Release Date : 2014-07-14
Packaging Of High Power Semiconductor Lasers written by Xingsheng Liu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-14 with Technology & Engineering categories.
This book introduces high power semiconductor laser packaging design. The challenges of the design and various packaging and testing techniques are detailed by the authors. New technologies and current applications are described in detail.
2013 High Power Diode Lasers And Systems Conference Hpd
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Author : IEEE Staff
language : en
Publisher:
Release Date : 2013-10-16
2013 High Power Diode Lasers And Systems Conference Hpd written by IEEE Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-16 with categories.
Advances in diode lasers continue unabated as the range of applications increases Advances in diode pump lasers have also contributed to advances in solid state and fiber lasers Topics will include Advances in diode pumped solid state lasers, Beam combining approaches, Developments in diode pumped fiber lasers, Industrial lasers for cutting welding, Laser diodes optimized for external cavity operation, Volume manufacturing of laser diode systems, High power diode laser applicatons
High Power Laser Handbook
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Author : Hagop Injeyan
language : en
Publisher: McGraw Hill Professional
Release Date : 2011-01-05
High Power Laser Handbook written by Hagop Injeyan and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-01-05 with Technology & Engineering categories.
The State of the Art in High-Power Laser Technology Filled with full-color images, High-Power Laser Handbook offers comprehensive details on the latest advances in high-power laser development and applications. Performance parameters for each major class of lasers are described. The book covers high-power gas, chemical, and free-electron lasers and then discusses semiconductor diode lasers, along with the associated technologies of packaging, reliability, and beam shaping and delivery. Current research and development in solid-state lasers is described as well as scaling approaches for high CW powers, high pulse energies, and high peak powers. This authoritative work also addresses the emergence of fiber lasers and concludes by reviewing various methods for beam combining. Coverage Includes: Carbon dioxide lasers Excimer lasers Chemical lasers High-power free-electron lasers Semiconductor laser diodes High-power diode laser arrays Introduction to high-power solid-state lasers Zig-zag slab lasers ThinZag high-power laser development Thin disk lasers Heat capacity lasers Ultrafast solid-state lasers Ultrafast lasers in the thin disk geometry The National Ignition Facility laser Optical fiber lasers Pulsed fiber lasers High-power ultrafast fiber laser systems High-power fiber lasers for industry and defense Beam combining
2017 Ieee High Power Diode Lasers And Systems Conference Hpd
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Author : IEEE Staff
language : en
Publisher:
Release Date : 2017-10-11
2017 Ieee High Power Diode Lasers And Systems Conference Hpd written by IEEE Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-11 with categories.
This conference is the premier annual event addressing the latest advances in diode and diode pumped laser technology and systems applications The conference covers laser pump diodes diode pumped solid state and fibre lasers applications of diode laser technology in consumer products, processing, healthcare and biophotonics, defense and security
Monolithic Diode Laser Arrays
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Author : Nils W. Carlson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Monolithic Diode Laser Arrays written by Nils W. Carlson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Although semiconductor-diode lasers are the most compact, highest gain and most efficient laser sources, difficulties remain in developing structures that will produce high-quality, diffraction-limited output beams. Indeed, only a few designs have emerged with the potential for producing high-power, high-brightness monolithic sources. This book presents and analyzes the results of work performed over the past two decades in the development of such diode-laser arrays.
Advances In High Power Fiber And Diode Laser Engineering
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Author : Ivan Divliansky
language : en
Publisher: Institution of Engineering and Technology
Release Date : 2019-12-30
Advances In High Power Fiber And Diode Laser Engineering written by Ivan Divliansky and has been published by Institution of Engineering and Technology this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-30 with Technology & Engineering categories.
Advances in High-Power Fiber and Diode Laser Engineering provides an overview of recent research trends in fiber and diode lasers and laser systems engineering. In recent years, many new fiber designs and fiber laser system strategies have emerged, targeting the mitigation of different problems which occur when standard optical fibers are used for making high-power lasers. Simultaneously, a lot of attention has been put to increasing the brightness and the output power of laser diodes. Both of these major laser development directions continue to advance at a rapid pace with the sole purpose of achieving higher power while having excellent beam quality. The book begins by introducing the principles of diode lasers and methods for improving their brightness. Later chapters cover quantum cascade lasers, diode pumped high power lasers, high average power LMA fiber amplifiers, high-power fiber lasers, beam combinable kilowatt all-fiber amplifiers, and applications of 2 μm thulium fiber lasers and high-power GHz linewidth diode lasers. Written by a team of authors with experience in academia and industrial research and development, and brought together by an expert editor, this book will be of use to anyone interested in laser systems development at the laboratory or commercial scale.
2015 Ieee High Power Diode Lasers And Systems Conference Hpd
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Author : IEEE Staff
language : en
Publisher:
Release Date : 2015-10-14
2015 Ieee High Power Diode Lasers And Systems Conference Hpd written by IEEE Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-14 with categories.
This conference is the premier annual event addressing the latest advances in diode and diode pumped laser technology and systems applications The conference covers laser pump diodes diode pumped solid state and fibre lasers applications of diode laser technology in consumer products, processing, healthcare and biophotonics, defence and security