PHOTOINDUCED SURFACE RELIEF MODULATION IN AMORPHOUS CHALCOGENIDE THIN FILMS DURING HOLOGRAPHIC RECORDING

被引：1

作者：

Gertners, U. ^{[1
]}

Teteris, J. ^{[1
]}

机构：

[1] Univ Latvia, Inst Solid State Phys, LV-1063 Riga, Latvia

来源：

LITHUANIAN JOURNAL OF PHYSICS | 2010年 / 50卷 / 01期

关键词：

amorphous chalcogenide films; holographic recording; softening temperature; surface relief; polarization; DEFORMATIONS; GLASSES;

D O I：

10.3952/lithjphys.50117

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this report the study of direct holographic recording of the surface relief gratings on amorphous chalcogenide thin (0.5-10 mu m) films is presented in view of the light polarization state. Recording was performed on As2S3 by 532 nm wavelength laser light. Because of direct surface relief formation, its efficiency may also depend on the softening temperature of the film material, which was studied using additional incoherent laser light for extra illumination during holographic recording. The results have shown that the efficiency of surface relief formation is many times higher in the case of extra illumination by additional incoherent light during recording. The mechanism of the direct recording of surface relief on amorphous chalcogenide films based on the photoinduced plasticity is discussed.

引用

页码：35 / 40

页数：6

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