2019 Ieee High Power Diode Lasers And Systems Conference Hpd
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2019 Ieee High Power Diode Lasers And Systems Conference Hpd
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Author : IEEE Staff
language : en
Publisher:
Release Date : 2019-10-09
2019 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 2019-10-09 with categories.
This conference is the premier biannual 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
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
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
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
Internet Of Production
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Author : Christian Brecher
language : en
Publisher: Springer Nature
Release Date : 2024-01-30
Internet Of Production written by Christian Brecher and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-01-30 with Technology & Engineering categories.
This seminal compendium, available through open access, illuminates the forefront of digital collaboration in production. It introduces the visionary concept of the Internet of Production (IoP), an ambitious initiative by Germany's esteemed Cluster of Excellence at RWTH Aachen University. This handbook pioneers the integration of data, models, and knowledge across development, production, and user cycles, offering interdisciplinary insights into production technology's horizons with the overall objective to create a worldwide lab. The work is organized into seven key parts, each contributing to a comprehensive understanding of the IoP. Part I lays the foundation with interdisciplinary visions and concepts. Part II delves into IoP's infrastructure, encompassing digital shadows and actionable artificial intelligence. Part III examines materials within the digitalized production landscape. Part IV confronts the challenges and potentials of production processes under novel digitalization methods. Part V focuses on production management with data-driven decision support, while Part VI explores agile development processes. Finally, Part VII delves into the interplay between internal and external perspectives in the IoP, human-centered work design, and platform-based ecosystems. Supported by the German Research Foundation (DFG), this compendium redefines manufacturing through the transformative IoP lens. Embrace this scholarly endeavor to embrace technological advancement. This is an open access book.
Broad Area Laser Bars For 1 Kw Emission
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Author : Matthias M. Karow
language : en
Publisher: Cuvillier Verlag
Release Date : 2022-06-27
Broad Area Laser Bars For 1 Kw Emission written by Matthias M. Karow and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-27 with Technology & Engineering categories.
ndustrial laser systems for material processing applications rely on the availability of highly efficient, high-brightness diode lasers. GaAs-based broad-area laser bars play a vital role in such applications as pump sources for high-beam-quality solid-state lasers and, increasingly, as direct processing tools. This work studies 940 nm-laser bars emitting 1 kW optical power at room temperature, identifying those physical mechanisms that are currently limiting electrical-to-optical conversion efficiency as well as lateral beam quality. In the process, several diagnostic studies on bars with varied lateral-longitudinal design were carried out. The effects of technological measures for performance optimization were analyzed, yielding a new benchmark in efficiency and lateral divergence. The studies into altered resonator lengths of 4 and 6 mm as well as fill factors between 69 and 87 % successfully reduce both the voltage dropping across the device and power saturation at high currents, enabling 66 % efficiency at the operation point. Concrete measures how to reach efficiencies ≥70 % are presented thereafter, showing that doubling the efficiency value of the first 1 kW-demonstration in 2007 – amounting to 35 % – is in near reach. Investigation of the beam quality bases on a herein proposed and realized concept, in which the far field is resolved for each individual bar emitter. In this way, it is possible to determine how far-field profiles vary along the bar width and how much these variations affect the overall bar far-field. Further, such effects specific to bar structures can be separated into non-thermal and thermal influences. The effect of mechanical chip deformation (bar smile) as well as neighboring-emitter interaction has been investigated for the first time in active kW-class devices, yielding a lateral divergence as low as 8.8° at the operation point.
Miniaturized High Power Solid State Laser And Applications
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Author : Zhi-Han Zhu
language : en
Publisher: Frontiers Media SA
Release Date : 2023-06-07
Miniaturized High Power Solid State Laser And Applications written by Zhi-Han Zhu and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-07 with Science categories.
High Power Diode Lasers
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Author : Roland Diehl
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-09-04
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 2000-09-04 with Medical categories.
With Contributions by Numerous Experts
Untersuchungen An Weich Schaltenden Dc Dc Konvertern Zur Versorgung Von Hochleistungs Diodenlasern
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Author : Winkler, Tammo
language : de
Publisher: Universitätsverlag der TU Berlin
Release Date : 2019-09-16
Untersuchungen An Weich Schaltenden Dc Dc Konvertern Zur Versorgung Von Hochleistungs Diodenlasern written by Winkler, Tammo and has been published by Universitätsverlag der TU Berlin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-16 with Technology & Engineering categories.
Durch die Steigerung der Dynamik von Laser-Materialbearbeitungsprozessen mittels Diodenlasern wächst der Bedarf an hochdynamischen Stromquellen, mit denen die Emitter betrieben werden können. Dabei nehmen mannigfaltige Randbedingungen Einfluss auf den grundlegenden Systemaufbau der stromgeregelten leistungselektronischen Systeme. Es wird das industrielle Einsatzgebiet der Stromquellen beschrieben. Verschiedene gebräuchliche Konvertertopologien des gegenwärtigen Standes der Technik werden hinsichtlich der Eignung für den Einsatz in diesem Umfeld untersucht. Mit Hilfe von Simulationen werden die verschiedenen Stromrichterkonzepte verglichen sowie deren Vor- und Nachteile analysiert. Die gewonnenen Resultate werden verwendet, um Optimierungsmöglichkeiten zu finden, mit denen den mit dem Einsatzzweck gegebenen Randbedingungen Rechnung getragen werden kann. Es werden moderne SiC MOSFETs hinsichtlich der Eignung für den Einsatz in weich schaltenden DC/DC Konvertern untersucht. Anhand von experimentellen Untersuchungen wird erläutert, inwiefern durch den Einsatz dieser Bauteile eine Verbesserung der Werte kritischer Parameter wie der Effizienz und des Gewichts bei gleichzeitig hoher Dynamik des Ausgangsstroms erzielt werden kann. Zudem wird ein experimenteller Vergleich der Schaltverluste von SiC MOSFETs und herkömmlichen Si-Bauelementen angestellt. Eine neuartige Konvertertopologie wird vorgestellt, die Eigenschaften des Vollbrückengegentaktwandlers und des Halbbrückengegentaktwandlers miteinander vereint. Es wird gezeigt, dass diese Schaltung vorteilhaft in hocheffizienten Diodenlaseranwendungen eingesetzt werden kann. Eine experimentelle Verifikation der Topologie und ein Vergleich mit anderen Konzepten wird durchgeführt. Due to the more dynamic processes used in laser-material machining done with diode-lasers, there is a growing demand on highly dynamic current sources, with which the laser emitters can be driven. Thereby, manifold boundary conditions influence the basic system-design of the current-controlled power-electronic systems. The industrial field of application is characterized. Different commonly used topologies of the actual state of the art are analyzed in terms of usability in this field. With the aid of simulations, the different converter concepts are compared and analyzed regarding the advantages and disadvantages. The results are used to find possible ways of optimization, which take the boundary conditions defined by the field of application into account. Modern SiC MOSFETs are tested for use in soft switching DC/DC-Converters. Based on experiments, the possible enhancements of the values of critical parameters, e.g. efficiency or the weight, within systems of highly dynamic output current are discussed. An experimental comparison of the switching losses of SiC MOSFETs and conventional Si devices is done. A new converter topology is presented, which combines advantages of the Full-Bridge Converter and the Half Bridge-Converter. The usability in highly efficient diode laser systems is shown, an experimental verification is done and a comparison with conventional concepts is depicted.
Iii Nitride Based Light Emitting Diodes And Applications
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Author : Tae-Yeon Seong
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-07-08
Iii Nitride Based Light Emitting Diodes And Applications written by Tae-Yeon Seong 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 2014-07-08 with Science categories.
Light emitting diodes (LEDs) are already used in traffic signals, signage lighting, and automotive applications. However, its ultimate goal is to replace traditional illumination through LED lamps since LED lighting significantly reduces energy consumption and cuts down on carbon-dioxide emission. Despite dramatic advances in LED technologies (e.g., growth, doping and processing technologies), however, there remain critical issues for further improvements yet to be achieved for the realization of solid-state lighting. This book aims to provide the readers with some contemporary LED issues, which have not been comprehensively discussed in the published books and, on which the performance of LEDs is seriously dependent. For example, most importantly, there must be a breakthrough in the growth of high-quality nitride semiconductor epitaxial layers with a low density of dislocations, in particular, in the growth of Al-rich and and In-rich GaN-based semiconductors. The materials quality is directly dependent on the substrates used, such as sapphire, Si, etc. In addition, efficiency droop, growth on different orientations and polarization are also important. Chip processing and packaging technologies are key issues. This book presents a comprehensive review of contemporary LED issues. Given the interest and importance of future research in nitride semiconducting materials and solid state lighting applications, the contents are very timely. The book is composed of chapters written by leading researchers in III-nitride semiconducting materials and device technology. This book will be of interest to scientists and engineers working on LEDs for lighting applications. Postgraduate researchers working on LEDs will also benefit from the issues this book provides.