Broad-band Ultraviolet Filters PDF Download
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Author: Charles B. Childs
Publisher:
ISBN:
Category : Photometry, Ultraviolet
Languages : en
Pages : 16
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Book Description
Author: Charles B. Childs
Publisher:
ISBN:
Category : Photometry, Ultraviolet
Languages : en
Pages : 16
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Book Description
Author: Charles B. Childs
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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Book Description
Author: George P. Eppeldauer
Publisher: Cambridge Scholars Publishing
ISBN: 1527568091
Category : Science
Languages : en
Pages : 234
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Book Description
In most field applications, broadband measurements are used where the spectral product of the source distribution and the meter’s spectral responsivity is measured. This book discusses detector-based radiometric, photometric, color, radiation-temperature, digital imaging-system, and LED measurements. It also shows that, while in photometry, the meter’s standard response covers only the visible, broadband measurements in the UV and IR require different standards. To avoid large errors when using a traditional detector- or source-standard, where the differences in the source distributions and in the meter’s responsivities produce large errors, the signal measurement procedure itself must be standardized. To satisfy the steps of the procedure, selected or properly designed meters should be used. This book is a guide to performing uniform broadband measurements with low uncertainty.
Author: Gajendra Savant
Publisher:
ISBN:
Category :
Languages : en
Pages : 40
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Book Description
Ocular protection against laser radiation and ballistic fragments is required for military aviators and ground personnel. Protection against laser radiation in several laser hazard and threat wavelength regions is required to prevent ocular injury from existing potentially hazardous systems. The laser hazard and threat wavelengths extend from the ultraviolet through the near infrared. There is potential for a cost effective protection against fixed wavelength threats utilizing narrow-band holographic reflection filters for the visible portion of the spectrum. The IR portion of the spectrum can also be fully protected, by using the broad-band holographic filters that were being developed and tested during the first year of this program. POC's concept of broad-band near IR reflection filter fabrication in based on volume Bragg holography using photopolymers and dichromated gelatins. The successful performance of broad-band IR filters depends upon the survivability of their optical material (in this case, photopolymer or dichromated gelatin or a modified and/or composite graft of gelatin and polymer). As a result, chemical modifications to dichromated gelatin (DCG) through synthesis and chemical wet processing, can produce DCG based broad-band filters which are very stable to environmental changes of temperature, pressure, sunlight, etc.
Author: Nazia Hassan Kera
Publisher: Springer Nature
ISBN: 3031641140
Category :
Languages : en
Pages : 92
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Book Description
Author: John Parrish
Publisher: Springer Science & Business Media
ISBN: 1468424750
Category : Science
Languages : en
Pages : 365
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Book Description
The origin of this text was a request by industry and government to summarize the biological effects and to estimate the limits of safe exposure to longwave ul traviolet radiation. The specific issue was the safety of a small medium-pressure mercury arc designed to emit UV-A (NUVA-Lite, L. D. Caulk Co. , Milford, Delaware) for photopolymerization of resinous fillings used in dentistry. How- ever, the context grew to become a consideration of the risks and benefits to hu mans of electromagnetic radiation between the biologically active short UV and the visible spectrum. We have accumulated data from our own experimental work and from the literature and have attempted to put this information in the perspective of known biologic effects of ultraviolet radiation as it influences hu mans. Interest in the biological effects of longwave ultraviolet radiation is increas ing in all of the many scientific disciplines that make up the complex field of photobiology. In order to minimize the chance for error and personal prejudice and to maximize the use of expertise, each chapter has been reviewed by several authorities. Some of the contributions of this group led to significant alterations and creative additions to the chapter, and these persons deserve not only our sin cere gratitude but also recognition by the reader. These include Chapters 2 and 3: Dr. Robert E. Levin, Mr. Charles P. Comeau, Mr. Donald Gonser, Dr. David Sliney; Chapter 5: Dr. Jerry Williams, Dr. Robert Webb, Dr. Madhu A.
Author: Conrad L. Kraft
Publisher:
ISBN:
Category : Air traffic control
Languages : en
Pages : 110
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 662
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Book Description
Author:
Publisher:
ISBN:
Category : Trademarks
Languages : en
Pages : 944
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Book Description
Author:
Publisher: Academic Press
ISBN: 0080568424
Category : Science
Languages : en
Pages : 437
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Book Description
Advances in Geophysics
