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Polarized Injection Laser Development
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Book Synopsis Polarized Injection Laser Development by : Henry S Sommers (Jr)
Download or read book Polarized Injection Laser Development written by Henry S Sommers (Jr) and published by . This book was released on 1973 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is concerned with the successful development of room-temperature arrays of injection lasers with high polarization and with the study of the fundamental causes of polarization. Three types of multi-heterojunction wafers producing strong polarization are described. Arrays from the wafers have polarization ratios ranging from 90 to 98%. The profiles in the junction plane are nominally 20 deg, while in the transverse plane they depend on the internal structure and range from 30 to 80 deg. Tests of one of the arrays at elevated temperature showed good performance at 78 deg C ambient. A reflecting layer added to the reverse facet increased the differential efficiency of the forward beam without spoiling the polarization. Data on the device properties are presented for system analysis, as are recommendations for further device development and performance specification. The current dependence of polarization shows several types of behavior. For devices with low polarization, the ratio drops monotonicallly with drive from a high value near threshold to near unity at full power. This behavior is interpreted in terms of existing theory of the lasing state. The behavior of devices whose polarization ratio is independent of current or increases with drive, which is often the case with strongly polarized units, is not understood theoretically. A new result of technological significance is that lasers with sawed sidewalls have much lower TE polarization than similar lasers with stripe contacts. The polarization control by the lateral walls is very strong, the ratio varying with the nature of the walls by a factor of four. (Author).
Book Synopsis An Introductory Guide to EC Competition Law and Practice by : Valentine Korah
Download or read book An Introductory Guide to EC Competition Law and Practice written by Valentine Korah and published by . This book was released on 1994 with total page 2354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Orthogonal Polarization in Lasers by : Shulian Zhang
Download or read book Orthogonal Polarization in Lasers written by Shulian Zhang and published by John Wiley & Sons. This book was released on 2013-08-14 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lasers generally emit radiation, which is either simply linearly polarized or unpolarized and stochastically polarized. Contrary to these common lasers, all orthogonally polarized lasers simultaneously emit radiation in two linear polarization states, both exactly orthogonally oriented to each other. Due to this orthogonality, both polarized components in the beam are independent of each other to a high degree and the studies presented in this book make clear that this feature can give a strong advantage in certain laser applications, for instance in high-precision measurements. Orthogonal Polarization in Lasers: Physical Phenomena and Engineering Applications summarizes the basics and advanced research results of orthogonally polarized lasers, birefringence laser cavities, and their applications. The authors include a number of figures, experimental designs, and measurement curves to enable the reader to not only learn the basic principles and technologies but also to understand many applications in modern engineering and to start their own R&D projects. The book covers polarization effects, which are of fundamental importance across various disciplines of science and technology. Includes a number of figures, experimental designs, and measurement curves to help readers learn the basic principles and start their own R&D projects. Discusses many types of relevant lasers (helium/neon lasers, ND:YAG lasers, semiconductor lasers, laser diodes). Written by multiply-published authors in the subject area. Contains material useful for metrology applications. This book is intended for use by researchers, postgraduates, and engineers working in laser science, optics, and measurement and testing, while senior undergraduate students working in optical and laser science can use the book for advanced understanding in their field.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1976 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1977 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Fusion with Polarized Fuel by : Giuseppe Ciullo
Download or read book Nuclear Fusion with Polarized Fuel written by Giuseppe Ciullo and published by Springer. This book was released on 2016-07-13 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a detailed examination of the latest work on the potential of polarized fuel to realize the vision of energy production by nuclear fusion. It brings together contributions from nuclear physicists and fusion physicists with the aims of fostering exchange of information between the two communities, describing the current status in the field, and examining new ideas and projects under development. It is evident that polarized fuel can offer huge improvements for the first generation of fusion reactors and open new technological possibilities for future generations, including neutron lean reactors, which could be the most popular and sustainable energy production option to avoid environmental problems. Nevertheless, many questions must be resolved before polarized fuel can be used for energy production in the different reactor types. Readers will find this book to be a stimulating source of information on the key issues. It is based on contributions from leading scientists delivered at the meetings “Nuclear Fusion with Polarized Nucleons” (Trento, November 2013) and “PolFusion” (Ferrara, July 2015).
Book Synopsis Bibliography of Soviet Laser Developments by :
Download or read book Bibliography of Soviet Laser Developments written by and published by . This book was released on 1984 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Intense Polarized Beam by a Laser Ionization Injection by : Chihiro Ohmori
Download or read book An Intense Polarized Beam by a Laser Ionization Injection written by Chihiro Ohmori and published by . This book was released on 1990 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :1680 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Semiconductor Lasers by : Junji Ohtsubo
Download or read book Semiconductor Lasers written by Junji Ohtsubo and published by Springer. This book was released on 2017-05-03 with total page 679 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the fascinating recent advances made concerning the chaos, stability and instability of semiconductor lasers, and discusses their applications and future prospects in detail. It emphasizes the dynamics in semiconductor lasers by optical and electronic feedback, optical injection, and injection current modulation. Applications of semiconductor laser chaos, control and noise, and semiconductor lasers are also demonstrated. Semiconductor lasers with new structures, such as vertical-cavity surface-emitting lasers and broad-area semiconductor lasers, are intriguing and promising devices. Current topics include fast physical number generation using chaotic semiconductor lasers for secure communication, development of chaos, quantum-dot semiconductor lasers and quantum-cascade semiconductor lasers, and vertical-cavity surface-emitting lasers. This fourth edition has been significantly expanded to reflect the latest developments. The fundamental theory of laser chaos and the chaotic dynamics in semiconductor lasers are discussed, but also for example the method of self-mixing interferometry in quantum-cascade lasers, which is indispensable in practical applications. Further, this edition covers chaos synchronization between two lasers and the application to secure optical communications. Another new topic is the consistency and synchronization property of many coupled semiconductor lasers in connection with the analogy of the dynamics between synaptic neurons and chaotic semiconductor lasers, which are compatible nonlinear dynamic elements. In particular, zero-lag synchronization between distant neurons plays a crucial role for information processing in the brain. Lastly, the book presents an application of the consistency and synchronization property in chaotic semiconductor lasers, namely a type of neuro-inspired information processing referred to as reservoir computing.
Book Synopsis Rare-Earth-Doped Fiber Lasers and Amplifiers, Revised and Expanded by : Michel J.F. Digonnet
Download or read book Rare-Earth-Doped Fiber Lasers and Amplifiers, Revised and Expanded written by Michel J.F. Digonnet and published by CRC Press. This book was released on 2001-05-31 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt: A discussion of the theories, operating characteristics, and current technology of main fiber laser and amplifier devices based on rare-earth-doped silica and fluorozirconate fibers. It describes the principles, designs, and properties of the erbium-doped fiber amplifier and its role as the cornerstone component in optical communication systems. This second edition contains new and revised material reflecting major developments in academia and industry.
Book Synopsis Current Developments in Optical Design and Optical Engineering by :
Download or read book Current Developments in Optical Design and Optical Engineering written by and published by . This book was released on 1999 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a Method to Measure the Polarization of Laser-accelerated Proton by : Natascha Raab
Download or read book Development of a Method to Measure the Polarization of Laser-accelerated Proton written by Natascha Raab and published by . This book was released on 2011 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-Energy Physics with Polarized Beams and Polarized Targets by : Joseph
Download or read book High-Energy Physics with Polarized Beams and Polarized Targets written by Joseph and published by Birkhäuser. This book was released on 2013-11-09 with total page 647 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lasers and Masers written by and published by . This book was released on 1962 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lasers and Masers: a Continuing Bibliography by : United States. National Aeronautics and Space Administration
Download or read book Lasers and Masers: a Continuing Bibliography written by United States. National Aeronautics and Space Administration and published by . This book was released on 1965 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
