Broadening of Non-Transmission Band of Ultra-Narrow Band-Pass Filters Using Heterostructures
WANG Li1, WANG Zhan-Shan1, SANG Tian1, WU Yong-Gang1, CHEN Ling-Yan1, LIU Hua-Song2, JI Yi-Qin2
1Institute of Precision Optical Engineering, Department of Physics, Tongji University, Shanghai 2000922Tianjin Jinhang Institute of Technology Physics, Tianjin 300192
Broadening of Non-Transmission Band of Ultra-Narrow Band-Pass Filters Using Heterostructures
WANG Li1;WANG Zhan-Shan1;SANG Tian1;WU Yong-Gang1;CHEN Ling-Yan1, LIU Hua-Song2;JI Yi-Qin2
1Institute of Precision Optical Engineering, Department of Physics, Tongji University, Shanghai 2000922Tianjin Jinhang Institute of Technology Physics, Tianjin 300192
摘要Transmission characteristics are studied for the hybrid structures combining defect and multiple heterostructures. It is shown that the non-transmission frequency range can be substantially enlarged and the phenomenon of narrow band-pass filter can be realized by adjusting the number, position and size of the defect. The theoretical and experimental results on heterostructures containing Ta2O5/SiO2 multilayer films are presented. With perfect non-transmission frequency range and high peak transmissivity, this structure opens a promising way to fabricate ultra-narrow band-pass filters with wide non-transmission frequency range.
Abstract：Transmission characteristics are studied for the hybrid structures combining defect and multiple heterostructures. It is shown that the non-transmission frequency range can be substantially enlarged and the phenomenon of narrow band-pass filter can be realized by adjusting the number, position and size of the defect. The theoretical and experimental results on heterostructures containing Ta2O5/SiO2 multilayer films are presented. With perfect non-transmission frequency range and high peak transmissivity, this structure opens a promising way to fabricate ultra-narrow band-pass filters with wide non-transmission frequency range.
WANG Li;WANG Zhan-Shan;SANG Tian;WU Yong-Gang;CHEN Ling-Yan;LIU Hua-Song;JI Yi-Qin. Broadening of Non-Transmission Band of Ultra-Narrow Band-Pass Filters Using Heterostructures[J]. 中国物理快报, 2008, 25(6): 2030-2032.
WANG Li, WANG Zhan-Shan, SANG Tian, WU Yong-Gang, CHEN Ling-Yan, LIU Hua-Song, JI Yi-Qin. Broadening of Non-Transmission Band of Ultra-Narrow Band-Pass Filters Using Heterostructures. Chin. Phys. Lett., 2008, 25(6): 2030-2032.
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2008, Vol. 25 
