A novel fabrication technique of long period fiber gratings using a holographic optical element

被引:10
|
作者
Sugitatsu, A
Kawano, H
Hatta, T
Kasahara, K
机构
[1] Mitsubishi Electr Corp, Informat Technol R & D Ctr, Itami, Hyogo 6648641, Japan
[2] Mitsubishi Electr Corp, Adv Technol R & D Ctr, Amagasaki, Hyogo 6618661, Japan
关键词
fiber grating; long period fiber grating; computer-generated hologram; holographic optical element; excimer laser; ultrabiolet exposure;
D O I
10.1007/s10043-001-0267-2
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We develop a new flexible and precise ultraviolet exposure technique to fabricate a long period fiber grating using a computer-generated holographic optical element (HOE). The HOE can generate a striped beam pattern with about a 300 mum period from a KrF excimer laser. This method offers (1) ease in varying the grating period and (2) grating period precision. We achieve a grating period within an accuracy of +/- 0.04 mum. This means that the peak wavelength can be controlled within an accuracy of +/- 0.2 nm with an operating wavelength of 1.55 mum.
引用
收藏
页码:267 / 270
页数:4
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