Achievement of arbitrary bandwidth of a narrow bandpass filter

被引：7
|
作者：
Lee, Cheng-Chung [1 ]
Chen, Sheng-Hui
Kuo, Chien-Cheng
Wei, Ching-Yi
机构：
[1] Natl Cent Univ, Thin Film Technol Ctr, Dept Opt & Photon, Chungli 320, Taiwan
[2] Apogee Optcom, Tainan 744, Taiwan
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 23期
关键词：
D O I：
10.1364/OE.15.015228
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By adjusting the coating parameters to vary the refractive index of the thin film material, we are able to fine tune the bandwidth of a narrow bandpass filter to an arbitrary value. The relation between the varied index Delta n and the maximum arbitrary bandwidth was analyzed. A 4-skip-0 bandpass filter for a 100 GHz DWDM system was designed and fabricated. In addition, the relation between the tolerance of the index and the bandwidth was also analyzed to avoid broadening or narrowing the bandwidth. The final results showed that the arbitrary bandwidth met the requirements very well. (c) 2007 Optical Society of America
引用
收藏
页码：15228 / 15233
页数：6
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