Photodarkening of amorphous Se and Se95Te5 films under μs light pulses

E. Flaxer; M. Klebanov; V. Lyubin; D. Abrahamoff

doi:10.1016/j.optcom.2009.12.007

Photodarkening of amorphous Se and Se₉₅Te₅ films under μs light pulses

E. Flaxer, M. Klebanov, V. Lyubin, D. Abrahamoff

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Photodarkening phenomena in the amorphous Se and Se₉₅Te₅ films at the μs light pulses irradiation are investigated. The process of photodarkening during each of the individual 1, 10 or 100 μs pulses and also the processes proceeding between successive pulses are recorded and analyzed. The darkened film was shown to restore initial optical properties after some stay in darkness without any additional irradiation or heating. Photodarkening is very strongly dependent on the light pulse fluence.

Original language	English
Pages (from-to)	1366-1369
Number of pages	4
Journal	Optics Communications
Volume	283
Issue number	7
DOIs	https://doi.org/10.1016/j.optcom.2009.12.007
State	Published - 1 Apr 2010

Keywords

Photodarkening
Pulse photorecording
Thin amorphous films

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

Access to Document

10.1016/j.optcom.2009.12.007

Cite this

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abstract = "Photodarkening phenomena in the amorphous Se and Se95Te5 films at the μs light pulses irradiation are investigated. The process of photodarkening during each of the individual 1, 10 or 100 μs pulses and also the processes proceeding between successive pulses are recorded and analyzed. The darkened film was shown to restore initial optical properties after some stay in darkness without any additional irradiation or heating. Photodarkening is very strongly dependent on the light pulse fluence.",

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