Photodarkening effect and optical nonlinearity in CdSSe-doped glasses

Chunming Jin, Jiaqi Yu, Weiping Qin, Jialong Zhao, Fangche Zhou, Kai Dou, Junye Liu, Shihua Huang

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


We systematically investigated the photodarkening effect in CdSSe-doped glasses by studying the dependences of phase-conjugation efficiency, luminescence efficiency and transmittance on the exposure time. A new result is that the fading of the trap-to-valence-band luminescence is much faster than that of band-to-band luminescence. This fact leads us to propose a four-level model to explain the photodarkening effect.

Original languageEnglish
Pages (from-to)483-486
Number of pages4
JournalJournal of Luminescence
Issue number1-6
StatePublished - Jul 1992
Externally publishedYes


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