Mode-hop-free fine tuning of an external-cavity diode laser with an intracavity liquid crystal cell.
作者信息
Lan Yu-Ping, Pan Ru-Pin, Pan Ci-Ling
机构信息
Institute of Electro-Optical Engineering and Department of Electrophysics, National Chiao Tung University, Hsinchu 30010, Taiwan.
出版信息
Opt Lett. 2004 Mar 1;29(5):510-2. doi: 10.1364/ol.29.000510.
PMID:15005209
Abstract
A planar nematic liquid crystal (NLC) cell is incorporated into a Littman-type external cavity as the wavelength-tuning device for a semiconductor laser diode. By varying the driving voltage of the NLC cell and laser diode bias current simultaneously, we demonstrate single-mode oscillation and mode-hop-free tuning over 19.2 GHz at 775 nm. The result is in good agreement with the theoretical predictions.
摘要
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