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Ultrasonic coupling to optically generated charge carriers in CdS: Physical phenomena and applicationsPhonon-charge carrier interactions are studied as well as ultrasonic resonators. Sensitivity enhancement factors predicted by one dimensional resonator theory are verified and several sensitive ultrasonic experimental techniques are developed. Measurements are reported of an anomalous sign reversal of the acoustoelectric voltage in a CdS resonator. Applications of CdS as an ultrasonic power detector are described.
Document ID
19750015176
Acquisition Source
Legacy CDMS
Document Type
Thesis/Dissertation
Authors
Heyman, J. S. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
May 1, 1975
Subject Category
Acoustics
Report/Patent Number
NASA-TM-X-68732
Report Number: NASA-TM-X-68732
Accession Number
75N23248
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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