Temporal behaviour of bistable ZnSe interference filters switched by nanosecond light pulses: Dependence upon the pulse energy

A. Daunois, J. Y. Bigot, R. Leonelli, Desmond Smith

Research output: Contribution to journalArticle

Abstract

Fast nanosecond switching times in ZnSe bistable nonlinear interference filters have been reported previously. The samples were excited by a cw holding argon laser and a pulsed excimer laser. In this paper, the pulse energy dependence of the switching time is studied. It appears that the pulse energy must be chosen precisely to obtain optimum performances of the device. Since the switching is related to a "thermal" shift of the interference fringe towards the argon laser wavelength, a three-beam experiment has been performed to investigate simultaneously the spectral shift of the fringe and the switching dynamics. © 1987.

Original languageEnglish
Pages (from-to)360-366
Number of pages7
JournalOptics Communications
Volume62
Issue number5
Publication statusPublished - 1 Jun 1987

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