Robust Fixed Wavelength Laser Eye Protection
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Robust Fixed Wavelength Laser Eye Protection
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Author :
language : en
Publisher:
Release Date : 1994
Robust Fixed Wavelength Laser Eye Protection written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
The objective of this work was to develop the technology for depositing a dielectric narrow-band reflector on thin glass foil without unmanageable stress and bond this filter face-in to a cylindrically curved polycarbonate substrate to form an environmentally durable laminated visor. A dielectric coating that blocked three laser wavelengths (532 nm, 694 nm, and 1064 mn) was applied to paper- thin glass foil. Methods were developed for cementing this glass filter to the polycarbonate insert for the Sun, Wind and Dust Goggle, and trimming away the excess glass foil. In every case, the bonded glass film cracked and separated from the polycarbonate substrate. Failure analysis performed on the fractured glass indicated that the primary mechanism of failure involved microfractures at the glass edge. Several methods were used to prevent their formation or inhibit their growth, without success. The effort to construct the visor was unsuccessful.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1995
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.
Lia Guide For The Selection Of Laser Eye Protection
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Author : Laser Institute of America
language : en
Publisher:
Release Date : 2000
Lia Guide For The Selection Of Laser Eye Protection written by Laser Institute of America and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Eye categories.
Optimization Of Optical Density Requirements For Multi Wavelength Laser
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Author :
language : en
Publisher:
Release Date : 2006
Optimization Of Optical Density Requirements For Multi Wavelength Laser written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Multiwavelength laser exposures pose unique safety challenges for both laser experts and users of laser systems. We describe two methods of optimizing optical density requirements for multiwavelength laser exposures. The problem is first formulated and solved using standard mathematical programming techniques, and the results are compared to those from a simplified algorithm. The result is a method that can be efficiently integrated into existing laser modeling and hazard analysis software. As an example, overall visible light transmittance is maximized while maintaining eye-safe viewing conditions during a multiwavelength exposure, simultaneously minimizing the total optical density required for sufficient laser eye protection. This optimization formulation helps laser system users determine the proper laser eye protection for safe viewing in multiwavelength laser environments.
Ocular Protection Against Laser Hazards
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Author : J. J Walls (Jr)
language : en
Publisher:
Release Date : 1984
Ocular Protection Against Laser Hazards written by J. J Walls (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
This report describes research efforts directed toward the development of spectacles that provide eye protection from laser emissions. Multilayer interference coatings were applied to both plastic and glass substrates. The multilayer coatings provide protection for the user by reflecting the specific laser emission wavelengths. The remaining visible wavelengths that are not reflected are used for observation light. A glass coating/plastic laminate structure was developed and mounted in the combat spectacle frame. Both plano and opthalmic corrected composites can be provided. The laminated filter developed provides multiwavelength rejection, good luminuous scotopic transmittance, durable and environmentally stable protection for the multilayer coating and increased ballistic protection for the user.
Lasers In Dentistry Current Concepts
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Author : Donald J. Coluzzi
language : en
Publisher: Springer
Release Date : 2017-09-21
Lasers In Dentistry Current Concepts written by Donald J. Coluzzi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-21 with Medical categories.
This book provides information on the basic science and tissue interactions of dental lasers and documents the principal current clinical uses of lasers in every dental discipline. The applications of lasers in restorative dentistry, endodontics, dental implantology, pediatric dentistry, periodontal therapy, and soft tissue surgery are clearly described and illustrated. Information is also provided on laser-assisted multi-tissue management, covering procedures such as crown lengthening, gingival troughing, gingival recontouring, and depigmentation. The closing chapters look forward to the future of lasers in dentistry and the scope for their widespread use in everyday clinical practice.When used in addition to or instead of conventional instrumentation, lasers offer many unique patient benefits. Furthermore, research studies continue to reveal further potential clinical applications, and new laser wavelengths are being explored, developed, and delivered with highly specific power configurations to optimize laser–tissue interaction. This book will bring the reader up to date with the latest advances and will appeal to all with an interest in the application of lasers to the oral soft and/or hard tissues.
Handbook Of Laser Technology And Applications
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Author : Chunlei Guo
language : en
Publisher: CRC Press
Release Date : 2021-06-23
Handbook Of Laser Technology And Applications written by Chunlei Guo and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-23 with Technology & Engineering categories.
Key Features: • Offers a complete update of the original, bestselling work, including many brand new chapters. • Covers new laser types, including quantum cascade lasers, silicon-based lasers, titanium sapphire lasers, excimer lasers, terahertz lasers, and organic dye lasers. • Discusses the latest applications, e.g., high-energy lasers for defense, laser sensors for security, 3D printing, optical atomic clocks, time-resolved spectroscopy, polarization and profile measurements, pulse measurements, and laser-induced fluorescence detection. • Deepens the introduction to fundamentals, from laser design and fabrication to host matrices for solid-state lasers, energy level diagrams, hosting materials, dopant energy levels in host matrices, and lasers based on nonlinear effects. • Adds sections on nanomaterials processing and characterization, covering techniques such as pulsed laser deposition, surface texturing, laser ablation, laser chemical vapor deposition, laser Raman spectroscopy, laser scattering spectroscopy, and ultrafast spectroscopy.
Ciottone S Disaster Medicine E Book
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Author : Gregory R. Ciottone
language : en
Publisher: Elsevier Health Sciences
Release Date : 2015-09-24
Ciottone S Disaster Medicine E Book written by Gregory R. Ciottone and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-24 with Medical categories.
The most comprehensive resource of its kind, Ciottone’s Disaster Medicine, 2nd Edition, thoroughly covers isolated domestic events as well as global disasters and humanitarian crises. Dr. Gregory Ciottone and more than 200 worldwide authorities share their knowledge and expertise on the preparation, assessment, and management of both natural and man-made disasters, including terrorist attacks and the threat of biological warfare. Part 1 offers an A-to-Z resource for every aspect of disaster medicine and management, while Part 2 features an exhaustive compilation of every conceivable disaster event, organized to facilitate quick reference in a real-time setting. Quickly grasp key concepts, including identification of risks, organizational preparedness, equipment planning, disaster education and training, and more advanced concepts such as disaster risk reduction, tactical EMS, hazard vulnerability analysis, impact of disaster on children, and more. Understand the chemical and biologic weapons known to exist today, as well as how to best manage possible future events and scenarios for which there is no precedent. Consult this title on your favorite e-reader. Be prepared for man-made disasters with new sections that include Topics Unique to Terrorist Events and High-Threat Disaster Response and Operational Medicine (covering tactical and military medicine). Get a concise overview of lessons learned by the responders to recent disasters such as the earthquake in Haiti, Hurricane Sandy, the 2014 Ebola outbreak, and active shooter events like Sandy Hook, CT and Aurora, CO. Learn about the latest technologies such as the use of social media in disaster response and mobile disaster applications. Ensure that everyone on your team is up-to-date with timely topics, thanks to new chapters on disaster nursing, crisis leadership, medical simulation in disaster preparedness, disaster and climate change, and the role of non-governmental agencies (NGOs) in disaster response – a critical topic for those responding to humanitarian needs overseas.
Frontiers In Guided Wave Optics And Optoelectronics
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Author : Bishnu Pal
language : en
Publisher: BoD – Books on Demand
Release Date : 2010-02-01
Frontiers In Guided Wave Optics And Optoelectronics written by Bishnu Pal and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-02-01 with Technology & Engineering categories.
As the editor, I feel extremely happy to present to the readers such a rich collection of chapters authored/co-authored by a large number of experts from around the world covering the broad field of guided wave optics and optoelectronics. Most of the chapters are state-of-the-art on respective topics or areas that are emerging. Several authors narrated technological challenges in a lucid manner, which was possible because of individual expertise of the authors in their own subject specialties. I have no doubt that this book will be useful to graduate students, teachers, researchers, and practicing engineers and technologists and that they would love to have it on their book shelves for ready reference at any time.
Introduction To Health And Safety In Construction
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Author : Phil Hughes
language : en
Publisher: Routledge
Release Date : 2012-09-10
Introduction To Health And Safety In Construction written by Phil Hughes and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-10 with Technology & Engineering categories.
This NEBOSH-endorsed textbook is matched to the latest syllabus of the National Certificate in Construction Safety and Health. Within the construction industry the need for specialist health and safety training is high due to the high risks involved. This is reflected in recent legislation such as CDM 2007 and explains the consistent demand for courses and learning materials. The text is easy to read, highly illustrated in full color, and supported with checklists, report forms and record sheets used currently in the industry. Students are supported with end-of-chapter questions, a study skills chapter and specimen assignments including specimen answers. As NEBOSH actively grow their qualifications internationally, demand for this book and it’s sister titles continues to increase overseas. High growth markets are the Middle East, Malaysia, India and China.