QUASINONDESTRUCTIVE READOUT IN A PHOTOREFRACTIVE POLYMER

被引：33

作者：

SILENCE, SM ^{[1
]}

TWIEG, RJ ^{[1
]}

BJORKLUND, GC ^{[1
]}

MOERNER, WE ^{[1
]}

机构：

[1] IBM CORP,ALMADEN RES CTR,DIV RES,SAN JOSE,CA 95120

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.73.2047

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An important physical phenomenon, quasinondestructive reading, has been observed for the first time in a photorefractive polymeric material, PMMA (poly-methylmethacrylate):DTNBI (1,3-dimethyl-2,2-tetramethylene-5-nitrobenzimidazoline):C-60. In addition, a maximum steady-state diffraction efficiency of 7% (125 mu m sample thickness) and a net two-beam coupling gain of 16 cm(-1) are observed in this polymer. A two-trap-level model, in which the levels are populated sequentially, qualitatively mimics the intensity-dependent decay rate and the transition to quasinondestructive reading.

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页码：2047 / 2050

页数：4

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