A gain-switched laser diode as a low-coherence light source

被引：8
|
作者：
Wada, K [1 ]
Hirata, K [1 ]
Yoshida, M [1 ]
Kawai, K [1 ]
Yoshioka, K [1 ]
Matsuyama, T [1 ]
Horinaka, H [1 ]
Cho, Y [1 ]
机构：
[1] Univ Osaka Prefecture, Fac Engn, Dept Phys & Elect, Sakai, Osaka 5998531, Japan
来源：
OPTICS COMMUNICATIONS | 2003年 / 228卷 / 1-3期
关键词：
D O I：
10.1016/j.optcom.2003.09.088
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigated a coherence property of the multi-longitudinal mode oscillation from Fabry-Perot type laser diodes (LDs) under gain-switching operation and confirmed that commercially available common LDs gain-switched had a coherence length of around 120-140 mum with a moderate average power of 1-15 mW. By incorporating a gain-switched LID into an all single-mode fiber interferometer, the low-coherence measurement for estimating the thickness and the refractive index of nacreous layers of a cultured pearl was successfully demonstrated. (C) 2003 Elsevier B.V. All rights reserved.
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页码：49 / 54
页数：6
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