Elimination of the half-wave hole for short-wave pass filter

Xiaofeng Ma; Yingjian Wang; Jianda Shao; Zhengxiu Fan

doi:10.1117/12.608024

8 December 2004 Elimination of the half-wave hole for short-wave pass filter

Xiaofeng Ma, Yingjian Wang, Jianda Shao, Zhengxiu Fan

Proceedings Volume 5774, Fifth International Conference on Thin Film Physics and Applications; (2004) https://doi.org/10.1117/12.608024
Event: Fifth International Conference on Thin Film Physics and Applications, 2004, Shanghai, China

Abstract

A few reasons to cause the half-wave hole for the short-wave pass filter had been analyzed. According to these reasons, the application of a new admittance-matching method and a photoelectric maximum control with half-wavelength effectively eliminated the half-wave hole. The matching stack consisted of a symmetrically periodic structure and provided a complete matching at the desired wavelength; i.e., both conditions for the equivalent admittance and phase thickness were fulfilled. Furthermore, both the theoretical and the tested curves had been given, and a good agreement between them was obtained.

Citation Download Citation

Xiaofeng Ma, Yingjian Wang, Jianda Shao, and Zhengxiu Fan "Elimination of the half-wave hole for short-wave pass filter", Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); https://doi.org/10.1117/12.608024

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