Recycling of undiffracted laser light for reconstruction of holograms

被引：1

作者：

Bhan, C ^{[1
]}

Mainali, L ^{[1
]}

Mohan, D ^{[1
]}

Gupta, AK ^{[1
]}

机构：

[1] Instruments Res & Dev Estab, Photon Div, Dehra Dun 248008, Uttar Pradesh, India

来源：

OPTICS AND LASERS IN ENGINEERING | 2001年 / 35卷 / 06期

关键词：

transmission hologram; display technique; flexible and compactness;

D O I：

10.1016/S0143-8166(01)00026-4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

When a laser source is used to illuminate a transmission hologram, the zero order beam is not utilised and is just wasted. The paper describes a new technique for economical utilisation of laser light by recycling the transmitted light to reconstruct a number of holograms simultaneously for viewing by a large number of observers. There is no danger to viewer who is exposed to the undiffracted laser beams transmitted through the hologram. The paper also discusses the diffraction efficiency requirement of successive hologram and the limit of number of holograms in the scheme. (C) 2001 Published by Elsevier Science Ltd.

引用

页码：355 / 360

页数：6

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