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Proceedings Paper

Picosecond To Microsecond Decay Of Photoinduced Absorption In Hydrogenated Amorphous Silicon
Author(s): D. M. Roberts; J. F. Palmer; T. L. Gustafson
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Paper Abstract

We measured picosecond photoinduced absorption in hydrogenated amorphous silicon using independently tunable pump and probe wavelengths. We demonstrated a time modulation technique for obtaining picosecond photoinduced absorption decays that eliminates the bulk thermal background present with amplitude modulation techniques. The same apparatus is used to obtain photoinduced absorption decays over the microsecond time range. The picosecond photoinduced absorption decays are sensitive to changes in the pump and probe wavelengths.

Paper Details

Date Published: 28 June 1985
PDF: 6 pages
Proc. SPIE 0524, Spectroscopic Characterization Techniques for Semiconductor Technology II, (28 June 1985); doi: 10.1117/12.946326
Show Author Affiliations
D. M. Roberts, The Standard Oil Company (United States)
J. F. Palmer, The Standard Oil Company (United States)
T. L. Gustafson, The Standard Oil Company (United States)


Published in SPIE Proceedings Vol. 0524:
Spectroscopic Characterization Techniques for Semiconductor Technology II
Fred H. Pollak; Raphael Tsu, Editor(s)

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