Electronic Wavelength Tuning of Tunable Laser with Acousto-Optic Tunable Filter
Electronic Wavelength Tuning of Tunable Laser with Acousto-Optic Tunable Filter
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利用声光可调谐滤波器对可调谐激光器进行电子波长调谐
DOI：
10.1143/jjap.47.8411
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发表时间：
2008
影响因子：
1.5
通讯作者：
S. Wada
中科院分区：
文献类型：
--
作者：
M. Yumoto;Y. Maeda;N. Saito;T. Ogawa;M. Yamashita;S. Wada
本文研究了声光可调谐滤波器（AOTF）作为可调谐激光器的波长调谐元件的设计，研究了AOTF内部温度对衍射效率、带宽和波长稳定性的影响。在模拟中，在700 ~ 1000 nm波长范围内，衍射效率达到90%以上，在温度为20 ~ 30℃的AOTF中，衍射效率变化小于±1.0%。在实验中，我们证明了AOTF的内部温度引起了0.12 nm/°C的波长位移。实验结果与数值预测结果基本一致。
We investigated the design of an acousto-optic tunable filter (AOTF) as a wavelength-tuning element of a tunable laser in terms of the dependences of the diffraction efficiency, bandwidth and stability of the wavelength on the internal temperature of the AOTF. In a simulation, the diffraction efficiency reached more than 90% in the wavelength region from 700 to 1000 nm, and the variation of diffraction efficiency was less than ±1.0% at temperatures from 20 to 30 °C in the AOTF. In an experiment, we demonstrated that the internal temperature of the AOTF induces a wavelength shift of 0.12 nm/°C. Most experimental results for the output characteristics of the tunable laser with the AOTF agreed with those predicted numerically.