Multiwavelength distributed-feedback dye laser array and its application to spectroscopy

被引：86
|
作者：
Oki, Y
Miyamoto, S
Maeda, M
Vasa, NJ
机构：
[1] Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Higashi Ku, Fukuoka 8128581, Japan
[2] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Kasuga, Fukuoka 8168580, Japan
来源：
OPTICS LETTERS | 2002年 / 27卷 / 14期
关键词：
D O I：
10.1364/OL.27.001220
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A multiwavelength, multistripe tunable laser array is proposed, and its application to absorption spectroscopy is demonstrated. Laser waveguides doped with Rhodamine 6 G dye were integrated on a plastic chip, and simultaneous output at different wavelengths was obtained by use of a distributed-feedback technique. A very low threshold of 3 muJ was attained, and spectrally narrowed output (<0.1 nm) was obtained. A scheme for digital spectroscopy is also proposed based on this laser array, and absorption spectroscopy of sodium atoms without wavelength scanning is demonstrated by use of a sodium-vapor cell. (C) 2002 Optical Society of America.
引用
收藏
页码：1220 / 1222
页数：3
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