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
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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