Development of tilted fibre Bragg gratings using highly coherent 255 nm radiation

被引：0
|
作者：
O PRAKASH
J KUMAR
R MAHAKUD
U KUMBHKAR
S V NAKHE
S K DIXIT
机构：
[1] R&D C-1 Block,
[2] Raja Ramanna Centre for Advanced Technology,undefined
来源：
Pramana | 2014年 / 82卷
关键词：
Tilted fibre Bragg grating; second harmonic of copper vapour laser.; 42.79.Dj; 42.81.Pa; 42.65.Ky;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper reports the study on development of tilted fibre Bragg gratings using highly coherent 255 nm radiation, obtained from the second harmonic generation (SHG) of copper vapour laser (CVL). The transmission and reflection spectra of the tilted fibre Bragg gratings (TFBG) were studied for the tilt angles of 0° (normal FBG), 1°, 3° and 4° between the fibre axis and the interference fringe plane. It was observed that as the angle of fibre axis and phase mask increased, the main Bragg peak shifted towards the higher wavelength and transmission dip decreased. The transmission dip of the cladding mode first increased and then decreased after reaching a maximum with the increase in the tilt angle.
引用
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页码：255 / 258
页数：3
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