Analysis and Development of Dynamic Selection of Laser Array Elements PDF Download
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Author: Michael David Williams
Publisher:
ISBN:
Category : Diodes
Languages : en
Pages : 16
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Book Description
Author: Michael David Williams
Publisher:
ISBN:
Category : Diodes
Languages : en
Pages : 16
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Book Description
Author: M. D. Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781725111073
Category :
Languages : en
Pages : 30
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Book Description
The transmission of large amounts of power in space by laser beam (diode lasers, in particular) requires an array of lasers to increase total power. Concentration of the beam requires some degree of coherence. Temporal coherence can be obtained by locking amplifiers to a master oscillator. However, spatial coherence is not so easily created or maintained. Many mechanical, thermal, and electrical factors oppose it continually. A very simple method is described for creating and maintaining a degree of spatial coherence by simply turning selected diodes ON or OFF. The degree of coherence can be chosen; the greater the coherence, the larger is the number of lasers required for a given power and the longer the lifetime of the array. An experiment for analyzing performance, verifying theory, and evaluating critical parameters is also proposed. Williams, M. D. Langley Research Center NASA-TM-4375, L-17043, NAS 1.15:4375 RTOP 506-41-41-01...
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 488
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Book Description
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.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 492
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1308
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1786
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Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1134
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Author:
Publisher:
ISBN:
Category : Large space structures (Astronautics)
Languages : en
Pages : 304
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 896
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