標題: Sidelobe suppression of spectral response in holographic optical filter
作者: Zajtsev, AK
Lin, SH
Hsu, KY
電子物理學系
光電工程學系
Department of Electrophysics
Department of Photonics
關鍵字: holographic grating;optical filter;photorefractive media
公開日期: 1-四月-2001
摘要: In order to suppress sidelobes of holographic filter's spectral response we propose to use weighting of grating intensity distribution along light propagation. This can be realized in photorefractive material (for example in LiNbO3:Fe) by using spatial selective decaying of conventional uniform grating by illumination of light through some transparent mask. Experimental results show that it is able to obtain 8 dB improvement of sidelobe level compared to uniform grating. But it is accompanied by 1.7 times expansion of main lobe and two times decrease of diffraction efficiency. (C) 2001 Elsevier Science B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/S0030-4018(01)01067-7
http://hdl.handle.net/11536/29735
ISSN: 0030-4018
DOI: 10.1016/S0030-4018(01)01067-7
期刊: OPTICS COMMUNICATIONS
Volume: 190
Issue: 1-6
起始頁: 103
結束頁: 108
顯示於類別:期刊論文


文件中的檔案:

  1. 000168015700014.pdf