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Proceedings Paper

Study of designing minus filters based on rugate theory
Author(s): Bai-sen Zhang; Mian-jun Ma; Yu-qing Xiong; Tao Chen; Duo-shu Wang; Chen Li; Miao Yang
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Paper Abstract

The influence of the rugate filter index profile function parameters, such as refractive index amplitude, film thickness and reference wavelength on the minus filter transmission spectrum, were investigated in this paper. The results show that the rejection bandwidth was affected by the refractive index amplitude, the depth of attenuation region was influenced by the film thickness, and the position of cut-off wavelength was determined by the reference wavelength. The method using the Rugate theory to design minus filters was presented, and several kinds of minus filters were designed using the method.

Paper Details

Date Published: 18 February 2011
PDF: 5 pages
Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 799516 (18 February 2011); doi: 10.1117/12.888187
Show Author Affiliations
Bai-sen Zhang, Lanzhou Institute of Physics (China)
Mian-jun Ma, Lanzhou Institute of Physics (China)
Yu-qing Xiong, Lanzhou Institute of Physics (China)
Tao Chen, Lanzhou Institute of Physics (China)
Duo-shu Wang, Lanzhou Institute of Physics (China)
Chen Li, Lanzhou Institute of Physics (China)
Miao Yang, Lanzhou Institute of Physics (China)

Published in SPIE Proceedings Vol. 7995:
Seventh International Conference on Thin Film Physics and Applications
Junhao Chu; Zhanshan Wang, Editor(s)

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