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Photo-induced phenomena in chalcogenide glass : Comparison with those in oxide glass and polymer

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Title: Photo-induced phenomena in chalcogenide glass : Comparison with those in oxide glass and polymer
Authors: Tanaka, Keiji Browse this author →KAKEN DB
Keywords: Chalcogenides
Laser–matter interactions
Non-linear optics
Photo-induced effects
Polymers and organics
Issue Date: 2006
Publisher: Elsevier B.V.
Journal Title: Journal of Non-Crystalline Solids
Volume: 352
Issue: 23-25
Start Page: 2580
End Page: 2584
Publisher DOI: 10.1016/j.jnoncrysol.2006.02.070
Abstract: Two topics, the both being related with localized states in non-crystalline solids, are studied. One is a comparison of photo-induced phenomena in oxide, chalcogenide, and organic materials. Despite of different inorganic and organic structures, there exist many similarities in photo-induced phenomena, which can be ascribed to excitation of localized electronic states. The other topic concerns photo-induced phenomena induced by linear and non-linear excitation. A result on As2S3 demonstrates that band-gap excitation by one- and two-photon processes provides different changes. It is suggested that the two-photon process occurs resonantly at around localized states in amorphous materials, and the process plays important roles in the structural change.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 田中 啓司

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