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Proceedings Paper

Performance analysis and material dependence of micro holographic optical elements as couplers for fiber optic communication
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Paper Abstract

Holographic Optical Elements (HOEs) are gaining much importance and finding newer and better applications in areas of optical fiber communication and optical information processing systems. In contrast to conventional HOEs, optical communication and information systems require smaller and efficient elements of desired characteristics and transfer functions. Such Micro Holographic Optical Elements (MHOEs) can either be an HOE, recorded with two narrow beams of laser light or a segment cut from a larger HOE (SHOEs), and recorded in the conventional manner. In this study, micro holographic couplers, having specific focusing and diffraction characteristics were recorded in different holographic recording media such as silver halide and dichromated gelatin. Wavelength response of the elements was tested at 633 nm and 442 nm. Variation in diffraction efficiency/coupling factor, and insertion loss of the elements were studied. The paper reports in detail about the above results and related design considerations.

Paper Details

Date Published: 10 January 2005
PDF: 7 pages
Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); doi: 10.1117/12.574173
Show Author Affiliations
Sajan Ambadiyil, Ctr. for Development of Imaging Technology (India)
G. Prasannan, Ctr. for Development of Imaging Technology (India)
Jithesh Sathyan, Infosys Technologies (India)
P.T. Ajith Kumar, Ctr. for Development of Imaging Technology (India)

Published in SPIE Proceedings Vol. 5623:
Passive Components and Fiber-based Devices
Yan Sun; Shuisheng Jian; Sang Bae Lee; Katsunari Okamoto, Editor(s)

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