THICK PLASMA GRATINGS USING A LOCAL PHOTOREFRACTIVE EFFECT IN CDZNTE-IN

被引：15

作者：

MACDONALD, RL ^{[1
]}

LINKE, RA ^{[1
]}

CHADI, JD ^{[1
]}

THIO, T ^{[1
]}

DEVLIN, GE ^{[1
]}

机构：

[1] MIT,FRANCIS BITTER NATL MAGNET LAB,CAMBRIDGE,MA 02139

来源：

OPTICS LETTERS | 1994年 / 19卷 / 24期

关键词：

D O I：

10.1364/OL.19.002131

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Diffraction gratings have been encoded in bulk Cd0.8Zn0.2Te:In samples by near-band-gap excitation. The photoinduced index change is associated with persistent photoconductivity resulting from ionization of DX centers. The gratings have a thickness of 1.7 mm, as evinced by Bragg selectivity during the readout process. Encoded grating are shown to be persistent for sufficiently low temperatures and are not erased by subsequent writing of more gratings.

引用

页码：2131 / 2133

页数：3

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