The Lasers Edge

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The Laser's Edge

Author : Jeremy Alosa
Publisher : Advantage Media Group
ISBN 13 : 1599324237
Total Pages : 181 pages
Book Rating : 4.5/5 (993 download)

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Book Synopsis The Laser's Edge by : Jeremy Alosa

Download or read book The Laser's Edge written by Jeremy Alosa and published by Advantage Media Group. This book was released on 2013-08-15 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book strips away the misconceptions about medical care for arthritis and reveals a safer and more effective treatment. If you are one of the millions of people suffering from Arthritis, this could be the most important book you ever own. On the surface, The Laser's Edge appears to be about a new and advanced arthritis treatment, but it goes much deeper than that. Arthritis is the leading cause of disability in the United States. Two out of three Americans will develop arthritis symptoms and just about all of them will go to their medical doctor first. This practice increases health care costs and exposes patients to the hidden dangers of today's health care system, unnecessarily. Among the very real dangers is death: 106,000 patients die every year from non-error, adverse effects of prescription drugs and there are 12,000 deaths a year as a result of unnecessary surgeries. The Laser's Edge will open your eyes to an entirely new way of treating arthritis without the risks of addictive medications, steroid shots or surgery. It provides hope for anyone who has been suffering from pain, and suffering from the experience of going to specialist after specialist without relief. The revolutionary treatment outlined in this book has helped countless patients avoid risky surgery and eliminate the need to take dangerous drugs. This book has the potential to change, maybe even save, your life.

LASERS

Author : S. MOHAN
Publisher : MJP Publisher
ISBN 13 :
Total Pages : 307 pages
Book Rating : 4./5 ( download)

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Book Synopsis LASERS by : S. MOHAN

Download or read book LASERS written by S. MOHAN and published by MJP Publisher. This book was released on 2019-06-07 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. Basics of Laser 2. Types of Lasers 3. Laser Light–Tissue Interaction 4. Biomedical Applications 5. Laser Safety Glossary

Lasers and Their Applications

Author : Phoenix Walsh
Publisher : Scientific e-Resources
ISBN 13 : 183947386X
Total Pages : 318 pages
Book Rating : 4.8/5 (394 download)

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Book Synopsis Lasers and Their Applications by : Phoenix Walsh

Download or read book Lasers and Their Applications written by Phoenix Walsh and published by Scientific e-Resources. This book was released on 2018-11-26 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term "e;laser"e; originated as an acronym for "e;light amplification by stimulated emission of radiation"e;. Laser Applications provides a firm grounding in the fundamental concepts over governing the field on Optics. This reference book is useful for the students of B.E., B.Tech. and M.Tech., courses. The present book is an attempt to treat the subject of Laser as an introductory course. With recent major breakthroughs in ultrafast laser technology and femtosecond nonlinear spectroscopic techiques, Femtosecond Laser Spectroscopy is currently a burgeoning field in many branches of science, including physics, chemistry, biology, and materials science. Attempts have also been made to cover the frontline areas in the subject. The development of Laser and its various applications in Communications, Radiation, medicine, Holography etc., has been given due importance.

Semiconductor Lasers

Author : Junji Ohtsubo
Publisher : Springer
ISBN 13 : 3319561383
Total Pages : 679 pages
Book Rating : 4.3/5 (195 download)

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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.

Los Angeles Magazine

Author :
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4./5 ( download)

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Book Synopsis Los Angeles Magazine by :

Download or read book Los Angeles Magazine written by and published by . This book was released on 1997-09 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Los Angeles magazine is a regional magazine of national stature. Our combination of award-winning feature writing, investigative reporting, service journalism, and design covers the people, lifestyle, culture, entertainment, fashion, art and architecture, and news that define Southern California. Started in the spring of 1961, Los Angeles magazine has been addressing the needs and interests of our region for 48 years. The magazine continues to be the definitive resource for an affluent population that is intensely interested in a lifestyle that is uniquely Southern Californian.

Optics and Lasers

Author : Matt Young
Publisher : Springer Science & Business Media
ISBN 13 : 9783540657415
Total Pages : 532 pages
Book Rating : 4.6/5 (574 download)

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Book Synopsis Optics and Lasers by : Matt Young

Download or read book Optics and Lasers written by Matt Young and published by Springer Science & Business Media. This book was released on 2000-09-06 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optics and Lasers is an introduction to engineering and applied optics, including not only elementary ray and wave optics, but also lasers, holography, copherence, fibers, and optical waveguides. It stresses physicalprinciples, applications, and instrumentation. It will be most usefull to the practicing engineer or experimental scientist, graduate student, or advanced undergraduate. It contains more than enough material from which to selelct the core of an introctory optics course and sufficientto form the bulk of a more advanced course.

Semiconductor Laser Engineering, Reliability and Diagnostics

Author : Peter W. Epperlein
Publisher : John Wiley & Sons
ISBN 13 : 1118481860
Total Pages : 522 pages
Book Rating : 4.1/5 (184 download)

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Book Synopsis Semiconductor Laser Engineering, Reliability and Diagnostics by : Peter W. Epperlein

Download or read book Semiconductor Laser Engineering, Reliability and Diagnostics written by Peter W. Epperlein and published by John Wiley & Sons. This book was released on 2013-01-25 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference book provides a fully integrated novel approach to the development of high-power, single-transverse mode, edge-emitting diode lasers by addressing the complementary topics of device engineering, reliability engineering and device diagnostics in the same book, and thus closes the gap in the current book literature. Diode laser fundamentals are discussed, followed by an elaborate discussion of problem-oriented design guidelines and techniques, and by a systematic treatment of the origins of laser degradation and a thorough exploration of the engineering means to enhance the optical strength of the laser. Stability criteria of critical laser characteristics and key laser robustness factors are discussed along with clear design considerations in the context of reliability engineering approaches and models, and typical programs for reliability tests and laser product qualifications. Novel, advanced diagnostic methods are reviewed to discuss, for the first time in detail in book literature, performance- and reliability-impacting factors such as temperature, stress and material instabilities. Further key features include: practical design guidelines that consider also reliability related effects, key laser robustness factors, basic laser fabrication and packaging issues; detailed discussion of diagnostic investigations of diode lasers, the fundamentals of the applied approaches and techniques, many of them pioneered by the author to be fit-for-purpose and novel in the application; systematic insight into laser degradation modes such as catastrophic optical damage, and a wide range of technologies to increase the optical strength of diode lasers; coverage of basic concepts and techniques of laser reliability engineering with details on a standard commercial high power laser reliability test program. Semiconductor Laser Engineering, Reliability and Diagnostics reflects the extensive expertise of the author in the diode laser field both as a top scientific researcher as well as a key developer of high-power highly reliable devices. With invaluable practical advice, this new reference book is suited to practising researchers in diode laser technologies, and to postgraduate engineering students.

Tailoring the Emission of Stripe-array Diode Lasers with External Cavities to Enable Nonlinear Frequency Conversion

Author : Andreas Jechow
Publisher : Universitätsverlag Potsdam
ISBN 13 : 3869560312
Total Pages : 152 pages
Book Rating : 4.8/5 (695 download)

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Book Synopsis Tailoring the Emission of Stripe-array Diode Lasers with External Cavities to Enable Nonlinear Frequency Conversion by : Andreas Jechow

Download or read book Tailoring the Emission of Stripe-array Diode Lasers with External Cavities to Enable Nonlinear Frequency Conversion written by Andreas Jechow and published by Universitätsverlag Potsdam. This book was released on 2009 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: A huge number of applications require coherent radiation in the visible spectral range. Since diode lasers are very compact and efficient light sources, there exists a great interest to cover these applications with diode laser emission. Despite modern band gap engineering not all wavelengths can be accessed with diode laser radiation. Especially in the visible spectral range between 480 nm and 630 nm no emission from diode lasers is available, yet. Nonlinear frequency conversion of near-infrared radiation is a common way to generate coherent emission in the visible spectral range. However, radiation with extraordinary spatial temporal and spectral quality is required to pump frequency conversion. Broad area (BA) diode lasers are reliable high power light sources in the near-infrared spectral range. They belong to the most efficient coherent light sources with electro-optical efficiencies of more than 70%. Standard BA lasers are not suitable as pump lasers for frequency conversion because of their poor beam quality and spectral properties. For this purpose, tapered lasers and diode lasers with Bragg gratings are utilized. However, these new diode laser structures demand for additional manufacturing and assembling steps that makes their processing challenging and expensive. An alternative to BA diode lasers is the stripe-array architecture. The emitting area of a stripe-array diode laser is comparable to a BA device and the manufacturing of these arrays requires only one additional process step. Such a stripe-array consists of several narrow striped emitters realized with close proximity. Due to the overlap of the fields of neighboring emitters or the presence of leaky waves, a strong coupling between the emitters exists. As a consequence, the emission of such an array is characterized by a so called supermode. However, for the free running stripe-array mode competition between several supermodes occurs because of the lack of wavelength stabilization. This leads to power fluctuations, spectral instabilities and poor beam quality. Thus, it was necessary to study the emission properties of those stripe-arrays to find new concepts to realize an external synchronization of the emitters. The aim was to achieve stable longitudinal and transversal single mode operation with high output powers giving a brightness sufficient for efficient nonlinear frequency conversion. For this purpose a comprehensive analysis of the stripe-array devices was done here. The physical effects that are the origin of the emission characteristics were investigated theoretically and experimentally. In this context numerical models could be verified and extended. A good agreement between simulation and experiment was observed. One way to stabilize a specific supermode of an array is to operate it in an external cavity. Based on mathematical simulations and experimental work, it was possible to design novel external cavities to select a specific supermode and stabilize all emitters of the array at the same wavelength. This resulted in stable emission with 1 W output power, a narrow bandwidth in the range of 2 MHz and a very good beam quality with M²<1.5. This is a new level of brightness and brilliance compared to other BA and stripe-array diode laser systems. The emission from this external cavity diode laser (ECDL) satisfied the requirements for nonlinear frequency conversion. Furthermore, a huge improvement to existing concepts was made. In the next step newly available periodically poled crystals were used for second harmonic generation (SHG) in single pass setups. With the stripe-array ECDL as pump source, more than 140 mW of coherent radiation at 488 nm could be generated with a very high opto-optical conversion efficiency. The generated blue light had very good transversal and longitudinal properties and could be used to generate biphotons by parametric down-conversion. This was feasible because of the improvement made with the infrared stripe-array diode lasers due to the development of new physical concepts.

OPTICAL COMMUNICATION AND NETWORKS

Author : M. N. BANDYOPADHYAY
Publisher : PHI Learning Pvt. Ltd.
ISBN 13 : 8120348540
Total Pages : 414 pages
Book Rating : 4.1/5 (23 download)

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Book Synopsis OPTICAL COMMUNICATION AND NETWORKS by : M. N. BANDYOPADHYAY

Download or read book OPTICAL COMMUNICATION AND NETWORKS written by M. N. BANDYOPADHYAY and published by PHI Learning Pvt. Ltd.. This book was released on 2014-02-11 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Primarily intended as a textbook for undergraduate courses in electrical, electronics and telecommunication engineering, this compact and student-friendly book presents a comprehensive coverage of optical communication. Organised in 15 chapters, the text explains the concepts of semiconductors and optical fibers. It discusses in detail cable, optical fiber loss, mathematical analysis of optical fiber operation, optical sources and optical detectors. The book also lucidly explains the basic principles of optical communication system and gives a clear insight into transmitters and receivers, design of optical communication system, opto-digital transmission system, voice transmission through fiber optic communication, video transmission over fiber optic links and optical network. The main objective is to provide a thorough understanding of the principles of optical communication. KEY FEATURES • A number of solved problems that illustrate the application of theory to reinforce the concepts. • Concepts are explained with block diagrams that highlight the most significant aspects for better understanding. • Numerous objective type questions are provided. Audience Undergraduate courses in Electrical, Electronics and Telecommunication engineering.

Laser Material Processing

Author : William M. Steen
Publisher : Springer Science & Business Media
ISBN 13 : 1447138201
Total Pages : 277 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Laser Material Processing by : William M. Steen

Download or read book Laser Material Processing written by William M. Steen and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser Material Processing is an introductory book on the application of lasers to cutting, welding, and the many new processes in surface treatment. Background information on surface treatment processes is provided to give the reader a real understanding of the process mechanisms, method of application, and industrial potential. Additionally, there are sections on basic optics, theoretical modelling, automation and safety. The material presented is based upon a course Professor Steen presents to groups from British Aerospace, and to his own MSc students in laser technology. This unique combination of topics has excellent potential as university course material for undergraduate, graduate, and postgraduate studies in optoelectronics, laser processing, and advanced manufacturing. Engineers and technicians in these areas will also find the book a welcome source of information on the rapidly expanding use of industrial lasers.

ISTFA 2010

Author :
Publisher : ASM International
ISBN 13 : 1615037276
Total Pages : 487 pages
Book Rating : 4.6/5 (15 download)

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Book Synopsis ISTFA 2010 by :

Download or read book ISTFA 2010 written by and published by ASM International. This book was released on 2010-01-01 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fiber Optics Standard Dictionary

Author : Martin Weik
Publisher : Springer Science & Business Media
ISBN 13 : 1461560233
Total Pages : 1241 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Fiber Optics Standard Dictionary by : Martin Weik

Download or read book Fiber Optics Standard Dictionary written by Martin Weik and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fiber Optics Vocabulary Development In 1979, the National Communications System published Technical InfonnationBulle tin TB 79-1, Vocabulary for Fiber Optics and Lightwave Communications, written by this author. Based on a draft prepared by this author, the National Communications System published Federal Standard FED-STD-1037, Glossary of Telecommunications Terms, in 1980 with no fiber optics tenns. In 1981, the first edition of this dictionary was published under the title Fiber Optics and Lightwave Communications Standard Dictionary. In 1982, the then National Bureau of Standards, now the National Institute of Standards and Technology, published NBS Handbook 140, Optical Waveguide Communications Glossary, which was also published by the General Services Admin istration as PB82-166257 under the same title. Also in 1982, Dynamic Systems, Inc. , Fiberoptic Sensor Technology Handbook, co-authored and edited by published the this author, with an extensive Fiberoptic Sensors Glossary. In 1989, the handbook was republished by Optical Technologies, Inc. It contained the same glossary. In 1984, the Institute of Electrical and Electronic Engineers published IEEE Standard 812-1984, Definitions of Terms Relating to Fiber Optics. In 1986, with the assistance of this author, the National Communications System published FED-STD-1037A, Glossary of Telecommunications Terms, with a few fiber optics tenns. In 1988, the Electronics Industries Association issued EIA-440A, Fiber Optic Terminology, based primarily on PB82-166257. The International Electrotechnical Commission then pub lished IEC 731, Optical Communications, Terms and Definitions. In 1989, the second edition of this dictionary was published.

Silicon Photonics III

Author : Lorenzo Pavesi
Publisher : Springer Science & Business Media
ISBN 13 : 3642105033
Total Pages : 540 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Silicon Photonics III by : Lorenzo Pavesi

Download or read book Silicon Photonics III written by Lorenzo Pavesi and published by Springer Science & Business Media. This book was released on 2016-01-08 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is volume III of a series of books on silicon photonics. It reports on the development of fully integrated systems where many different photonics component are integrated together to build complex circuits. This is the demonstration of the fully potentiality of silicon photonics. It contains a number of chapters written by engineers and scientists of the main companies, research centers and universities active in the field. It can be of use for all those persons interested to know the potentialities and the recent applications of silicon photonics both in microelectronics, telecommunication and consumer electronics market.

Optoelectronics for Data Communication

Author : Ronald C. Lasky
Publisher : Elsevier
ISBN 13 : 0080513271
Total Pages : 351 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Optoelectronics for Data Communication by : Ronald C. Lasky

Download or read book Optoelectronics for Data Communication written by Ronald C. Lasky and published by Elsevier. This book was released on 1995-10-23 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of optoelectronics for data communication is becoming increasingly important in the 1990s. Much of the base technology needed for this field was developed by the telecommunications industry, but there are important differences which are covered in this text. This is the first book to focus on the critical technology and application issues that are necessary to understand the optoelectronics for data communication industry, which is expected to grow exponentially during the coming years. Optoelectronics for Data Communication is an excellent reference for both researchers and engineers because it emphasizes fundamentals rather than more easily dated topics. The book focuses particular attention on practical engineering issues, making it invaluable to those who have worked or studied in the field of optoelectronics for telecommunication and are now moving to optoelectronics for data communication. - Focuses on fundamentals of the field - Reviews critical technologies and applications - Explains important technology compatibility issues - Includes chapters written by specialists in each area with emphasis on engineering issues and practical aspects - Presents coverage of topics that are unique to optical data communications

Selectively Oxidized Patterned InP-based Vertical Cavity Surface Emitting Lasers and VCSEL Arrays

Author : Herte Gebretsadik
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Selectively Oxidized Patterned InP-based Vertical Cavity Surface Emitting Lasers and VCSEL Arrays by : Herte Gebretsadik

Download or read book Selectively Oxidized Patterned InP-based Vertical Cavity Surface Emitting Lasers and VCSEL Arrays written by Herte Gebretsadik and published by . This book was released on 1999 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the development of low loss optical fibers over 25 years ago, optical communications has become the system of choice for worldwide communication networks. Some of the many advantages over previous systems include: large transmission bandwidth, immunity to electromagnetic interference, low transmission loss, low weight, low power consumption, and relatively low cost. As multimedia services including the internet, cable television, high definition television (HDTV), and computer links become indispensable in our daily lives, large amounts of data must be transmitted through the information highway. This poses a serious challenge on the current communication network.

The New Natural

Author : Neil Sadick
Publisher : Rodale Books
ISBN 13 : 1609611268
Total Pages : 258 pages
Book Rating : 4.6/5 (96 download)

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Book Synopsis The New Natural by : Neil Sadick

Download or read book The New Natural written by Neil Sadick and published by Rodale Books. This book was released on 2011-08-16 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Obvious face-lifts and Botox overload are no longer in vogue, but a new generation of fillers, laser treatments, and topical preparations are keeping millions looking younger—and more natural—for decades longer. Prominent dermatologist and cosmetic surgeon Dr. Neil Sadick explains how every woman, at any age, can have beautiful, healthy skin without a scalpel or surgery. Starting off with the basics of skin care we all need in our early adult, damage-prevention years, Sadick cites the most efficacious cosmetic products and discusses the best practices for preserving a glowing, youthful appearance. For older readers looking to maintain healthy skin and reverse damage, he explains the various nonsurgical options available: from the modern day miracle of cell therapy to cosmeceuticals, fillers, and treatments for cellulite and hair loss. Throughout he mentions brand-name products at every price point and treatments for every budget. User-friendly and backed by the latest science and technology, The New Natural is every adult's guide to the most advanced antiaging protocol for achieving young, vibrant skin—now and in the future.

New Developments in Advanced Welding

Author : N Ahmed
Publisher : Taylor & Francis US
ISBN 13 : 9781855739703
Total Pages : 316 pages
Book Rating : 4.7/5 (397 download)

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Book Synopsis New Developments in Advanced Welding by : N Ahmed

Download or read book New Developments in Advanced Welding written by N Ahmed and published by Taylor & Francis US. This book was released on 2005-09-30 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent developments in high-technology areas have significantly transformed the welding industry. Automation, computers, process control, sophisticated scientific instruments and advanced processing methods are all common in today's modern industry. Today's engineers and technologists have to support complex systems and apply sophisticated welding technologies. This comprehensive new book discusses the changes in advanced welding technologies preparing the reader for the modern industry.