Distributed measurement of the complex modulation of a photoinduced Bragg grating in an optical fiber

被引：74
作者：
Froggatt, M
机构：
[1] Langley Research Center, National Aeronautics and Space Administration, Hampton, VA
来源：
APPLIED OPTICS | 1996年 / 35卷 / 25期
关键词：
D O I：
10.1364/AO.35.005162
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method of measuring the complex modulation of a Bragg grating is derived from a one-dimensional model of light propagating in an optical fiber. Interference fringes between the Bragg grating and a reference air-gap reflector are measured, and a Fourier transform of the interference fringes generated as a laser is swept through the wavelength is used to compute the complex modulation function of the Bragg grating over a restricted domain. Supporting data, taken by temperature tuning a distributed feedback diode laser, are shown.
引用
收藏
页码：5162 / 5164
页数：3
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