A computer controlled narrow bandpass optical tunable filter using a Fourier diffraction grating in the range of 1.3-1.55 mu m

被引:4
|
作者
Iida, M
Asakura, H
机构
[1] Materials and Devices Laboratory of Matsushita Electric Industrial Company, Ltd.
关键词
D O I
10.1109/50.475573
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel tunable filter using a Fourier grating is studied and discussed. It consists of a Fourier grating, a collimator lens, single-mode fibers, and a computer Controlled rotary actuator. It has very low polarization dependence df less than 0.3 dB, an insertion loss of less than 3 dB, and a narrow bandwidth of 1.5 nm. Wavelength selection was realized by rotating the grating, which was controlled by a computer. The device is able to select the light at the desired wavelength from more than 100 WDM optical data streams with 2 mn spacing in the range of 1.3-1.55 mu m.
引用
收藏
页码:2343 / 2348
页数:6
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