Pulsed, single-frequency, ring laser with a holographic output coupler

被引：19
作者：
Dergachev, Alex [1 ]
机构：
[1] Q Peak Inc, Bedford, MA 01730 USA
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 07期
关键词：
VOLUME BRAGG GRATINGS; ZINC CHALCOGENIDES; NARROW-BAND; EFFICIENT;
D O I：
10.1364/OE.19.006797
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A unidirectional, passively Q-switched, 2.05-mu m Ho:YLF ring laser providing single-frequency, sub-mJ-energy, 100-200-ns-long laser pulses at a kHz rate is reported. The wavelength selection and "coarse" spectral narrowing is performed by utilizing a volume Bragg grating as a resonant, narrowband output coupler operated at a small angle away from normal incidence. Pulsed operation of the Ho:YLF oscillator and further spectral narrowing down to a single longitudinal mode is achieved via passive Q-switching using a Cr2+-doped saturable absorber. (C)2011 Optical Society of America
引用
收藏
页码：6797 / 6806
页数：10
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