Transient Interference Studies Of Emission From A Pulsed Ruby Laser
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Transient Interference Studies Of Emission From A Pulsed Ruby Laser
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Author : David Arthur Berkley
language : en
Publisher:
Release Date : 1966
Transient Interference Studies Of Emission From A Pulsed Ruby Laser written by David Arthur Berkley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Lasers categories.
Inversion Dependent Frequency Shifts In Passively Q Switched Ruby Laser And Second Harmonic Emission
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Author : Alexander Leon Flamholz
language : en
Publisher:
Release Date : 1969
Inversion Dependent Frequency Shifts In Passively Q Switched Ruby Laser And Second Harmonic Emission written by Alexander Leon Flamholz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Lasers categories.
Previous experiments have indicated an inversion dependent blue shift in the emission frequency of pulsed (non-Q-Switched) ruby lasers during the emission of a single pulse. The purpose of this work was to study the temporal coherence properties of single mode passively Q-Switched ruby laser emission by using a transient interference detection technique capable of better than 4 nsec resolution. The experiments were carried out using a Young's double pinhole interferometer to interfere the output of the laser with a portion of the same output delayed by a given time period. From the time dependence of the interference pattern phase, in combination with the simultaneously measured time dependence of laser power it was firmly established that an inversion dependent blue shift exists in the emission frequency of a single mode Q-Switched ruby laser. A number of physical mechanisms are discussed which could possibly account for a laser frequency shift. Experiments were also performed to determine the direction and magnitude of any existing frequency shifts in second harmonic emission (at 3472 A). (Author).
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1991
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Aeronautics categories.
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Temporal Coherence And Frequency Vs Time Characteristics Of A Q Spoiled Ruby Laser
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Author : G. J. Wolga
language : en
Publisher:
Release Date : 1966
Temporal Coherence And Frequency Vs Time Characteristics Of A Q Spoiled Ruby Laser written by G. J. Wolga and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with categories.
A mode selected, cryptocyanine Q-switched ruby laser was designed, constructed, and operated. The degree of mode selectivity as a function of cryptocyanine loss was studied and an optimum loss was selected. Theoretical work was done to incorporate the cryptocyanine loss into a theory of passively Q-switched lasers. A transient interference experiment was redesigned for operation with a Q-spoiled laser. Data was obtained showing that the rate of change of the laser frequency during the Q-spoiled emission pulse is approximately twenty times the rate of change during a single spike of an ordinary ruby laser. This result tends to confirm a previously stated model for this frequency change which attributes it to direct atomic coupling to lattice strain. The ions are expected to act independently in causing the strain and hence the variation in cavity optical length is expected to be linear in the change in the number of excited states in the laser. Since the rate of change of population inversion during Q-spoiled emission is much larger than for normal lasing it was expected, prior to this work, that a greater rate of change of frequency should be observed. This has now been confirmed. (Author).
Lasers And Masers A Continuing Bibliography
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1965
Lasers And Masers A Continuing Bibliography written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Lasers categories.
U S Government Research Development Reports
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Author :
language : en
Publisher:
Release Date : 1969-10
U S Government Research Development Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969-10 with Science categories.
Icono 2001
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Author : Konstantin N. Drabovich
language : en
Publisher: SPIE-International Society for Optical Engineering
Release Date : 2002
Icono 2001 written by Konstantin N. Drabovich and has been published by SPIE-International Society for Optical Engineering this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
This volume examines novel trends in nonlinear laser spectroscopy and optical diagnostics and lasers in chemistry, biophysics and biomedicine.
Specular Gloss
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Author : Raimo Silvennoinen
language : en
Publisher: Elsevier
Release Date : 2010-07-07
Specular Gloss written by Raimo Silvennoinen and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-07 with Technology & Engineering categories.
The aesthetic appearance of various objects is important to human beings. One measure of the quality of an object is its surface quality, which can be characterized with the concept of gloss. Nowadays measurement of the gloss is a routine off-line method in assessment of quality of product at various sectors of industry.The book gives a fresh treatment on the concept of gloss. Theoretical description will be on more general basis of optical physics than in other sources. The text will give a modern treatise of machine vision based glossmeters and furnish the ideas how to measure and analyse gloss from complex-structured objects. Innovations of machine vision and gloss data analysis by embedded micro-controllers and microprocessors are trademarks that fill the gaps of older textbooks.Key Features:- modern treatment of gloss - presents novel glossmeter based high technology- completes principle of machine vision- application in industrial environment- emphasis on pedagogical presentation - modern treatment of gloss - describes novel glossmeter-based high technology- presents principles of machine vision- gives applications in industrial environment- emphasis on pedagogical presentation
National Union Catalog
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Author :
language : en
Publisher:
Release Date : 1956
National Union Catalog written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Union catalogs categories.
Includes entries for maps and atlases
Investigation Of Coherence Properties Of Emission From A Pulsed Ruby Laser
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Author : Raymond William Schneider
language : en
Publisher:
Release Date : 1964
Investigation Of Coherence Properties Of Emission From A Pulsed Ruby Laser written by Raymond William Schneider and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Lasers categories.