Two-photon absorption spectroscopy of As2S3 glass
- 14 January 2002
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 80 (2) , 177-179
- https://doi.org/10.1063/1.1433908
Abstract
Spectral dependence of two-photon absorption in a chalcogenide glass, As 2 S 3 , has been studied using a tunable light source. The result shows that two-photon and two-step absorptions occur, and the two-photon absorptionspectrum appears to be exponential. These results and roles of nonlinear processes in photoinduced phenomena are discussed.Keywords
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