Improvement of relief depths and diffraction efficiencies of micro-optical elements fabricated in photo-etching cellulose film by post-processing techniques

Jianhua Zhu; Chuanqin Xia; Ketai Wang; Lurong Guo

doi:10.1117/12.481520

30 August 2002 Improvement of relief depths and diffraction efficiencies of micro-optical elements fabricated in photo-etching cellulose film by post-processing techniques

Jianhua Zhu, Chuanqin Xia, Ketai Wang, Lurong Guo

Author Affiliations +

Proceedings Volume 4924, Holography, Diffractive Optics, and Applications; (2002) https://doi.org/10.1117/12.481520
Event: Photonics Asia, 2002, Shanghai, China

Abstract

In this paper, based on the photosensitive characteristics of a photopolymer recording material — Photoetching Cellulose Film (PCF), some effective post-processing techniques such as delay-development, ultraviolet (UV) uniform post-exposure, and chemical etching development, are investigated to increase the diffraction efficiency and relief depth of PCF micro-optical and holographic elements. The delay development technique can obtain an enhancement factor of more than 50%, while both the UV post-exposure and chemical development techniques can achieve up to 100% enhancement factor.

Citation Download Citation

Jianhua Zhu, Chuanqin Xia, Ketai Wang, and Lurong Guo "Improvement of relief depths and diffraction efficiencies of micro-optical elements fabricated in photo-etching cellulose film by post-processing techniques", Proc. SPIE 4924, Holography, Diffractive Optics, and Applications, (30 August 2002); https://doi.org/10.1117/12.481520

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