期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 480, 期 -, 页码 13-17出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnoncrysol.2017.03.031
关键词
Nonlinear optics; Optical materials; Chalcogenide glasses; Amorphous semiconductors; Femtosecond lasers
资金
- LaserLab-Europe network [SLIC001675]
- Royal Society [IJP-2010/R1, IES-2013/R2]
- Russian Science Foundation [16-13-10251]
- EPSRC [EP/P013708/1] Funding Source: UKRI
A time-resolved pump-probe method is used for the evaluation of non-linear optical coefficients of chalcogenide glasses from the As-S-Se and Ge-Se systems near their fundamental absorption band edges. The results are analyzed via comparison with the spectral dependencies of the non-linear optical coefficients of crystalline semiconductors; the role of electron transitions through the gap states of chalcogenide glasses is discussed. (C) 2017 Elsevier B.V. All rights reserved.
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