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Optical absorption components of light-modulated absorption spectrum of CdSThe amplitude and decay coefficient of light-induced modulation of absorption (LIMA) was measured as a function of wavelength from 535 to 850 nm for single-crystal CdS. The decay coefficient exhibited a discontinuous resonance at 710 nm which was due to the overlap and cancellation of two opposing absorption changes. A method was developed to separate these opposing absorption changes using the measured decay coefficients. The discrete-level-to-band energy for one absorption change was found to be 1.64 eV. An improved model was developed which contains two associated levels in the band gap separated by 0.32 eV.
Document ID
19750039042
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Conway, E. J.
Long, E. R.
(NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 8, 2013
Publication Date
February 1, 1975
Publication Information
Publication: Journal of Applied Physics
Volume: 46
Subject Category
Optics
Accession Number
75A23114
Distribution Limits
Public
Copyright
Other

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