Pulse hologram recording in DuPont's photopolymer films

被引：4
|
作者：
Mikhailov, VN [1 ]
Weitzel, KT [1 ]
Krylov, VN [1 ]
Wild, UP [1 ]
机构：
[1] ETH ZENTRUM,PHYS CHEM LAB,SWISS FED INST TECHNOL,CH-8092 ZURICH,SWITZERLAND
来源：
PRACTICAL HOLOGRAPHY XI AND HOLOGRAPHIC MATERIALS III | 1997年 / 3011卷
关键词：
holography; photopolymer; pulse exposure; pre-illumination;
D O I：
10.1117/12.271373
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the recording of high-efficiency reflection holograms in DuPont photopolymer films HRF-800X071-20 and HRF-700X001-20 by using, for the first time to our knowledge, nanosecond laser pulses. The weak reflectance efficiency (6.5%;) of the mirror holograms could be significantly improved up to 75% by using pre-illumination. With incoherent pre-illumination, significantly increased diffraction efficiency and sensitivity of she holograms are obtained, while pulsed pre-illumination leads to an enhancement of the reflectance only. The results are compared with cw laser exposure under identical processing conditions, including pre-illumination.
引用
收藏
页码：200 / 202
页数：3
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