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Holography utilizing surface plasmon resonancesA holographic recording medium with a substrate which has a diffraction grating composed of a number of spaced line ridges on the surface is discussed. The first layer consists of a metal with a plasma wavelength shorter than that of the selected light source. A second layer, or coating, on top of the first layer consists of a thin film of photosensitive emulsion. A diagram of the device is provided. The principles of operation are explained.
Document ID
19740018833
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Cowan, J. J. (NASANRC)
Date Acquired
September 3, 2013
Publication Date
June 11, 1974
Subject Category
General
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-365644
Patent Number: US-PATENT-3,815,969
Patent Number: NASA-CASE-MFS-22040-1
Accession Number
74N26946
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-3,815,969|NASA-CASE-MFS-22040-1
Patent Application
US-PATENT-APPL-SN-365644

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