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Proceedings Paper

Fabrication and characterization of two-dimensional optical low pass filter
Author(s): Xunjun Qi; Bin Lin; Ju Liang; Bo Chen; Xiangqun Cao
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Paper Abstract

Two-dimensional optical low pass filter (OLPF) was designed, fabricated and tested in our lab. The modulation transfer function (MTF) of OLPF shows that cut-off frequency is 96.15lp/mm in x and y direction, which is satisfied with our design. The transmissions in the visible and infrared regions of the spectrum are mostly above 95% and less than 2%, respectively. The error of every plate thickness is tested less than 0.34% by the experiment of pulse response. The spatial frequency test results show that our device has good low filter performance, matches with the solid state image sensor and well restrains the moire effect and false colors distortion.

Paper Details

Date Published: 3 October 2006
PDF: 9 pages
Proc. SPIE 6351, Passive Components and Fiber-based Devices III, 63510W (3 October 2006); doi: 10.1117/12.687339
Show Author Affiliations
Xunjun Qi, Zhejiang Univ. (China)
Anhui Normal Univ. (China)
Bin Lin, Zhejiang Univ. (China)
Ju Liang, Xingxing Group Zhejiang Quartz Crystal Optoelectronic Technology Co., Ltd. (China)
Bo Chen, Zhejiang Univ. (China)
Xiangqun Cao, Zhejiang Univ. (China)

Published in SPIE Proceedings Vol. 6351:
Passive Components and Fiber-based Devices III
Sang Bae Lee; Yan Sun; Kun Qiu; Simon C. Fleming; Ian H. White, Editor(s)

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