2.3-μm Tm3+: YLF laser passively Q-switched with a Cr2+: ZnSe saturable absorber

被引：47
作者：
Canbaz, Ferda [1 ,2 ]
Yorulmaz, Ismail [1 ,2 ]
Sennaroglu, Alphan [1 ,2 ,3 ]
机构：
[1] Koc Univ, Dept Phys, Laser Res Lab, TR-34450 Istanbul, Turkey
[2] Koc Univ, Dept Elect & Elect Engn, Laser Res Lab, TR-34450 Istanbul, Turkey
[3] Koc Univ, Surface Sci & Technol Ctr KUYTAM, TR-34450 Istanbul, Turkey
来源：
OPTICS LETTERS | 2017年 / 42卷 / 09期
关键词：
2; MU-M; OPTICAL PARAMETRIC OSCILLATOR; FIBER LASER; THULIUM; TEMPERATURE; OPERATION; CR2+-ZNSE; EMISSION; CRYSTALS; WAVE;
D O I：
10.1364/OL.42.001656
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report, what is to our knowledge, the first passively Q-switched operation of a 2.3-mu m Tm3+ : YLF laser by using a Cr2+ : ZnSe saturable absorber. In the experiments, a tunable Ti3+ : sapphire laser was used to end pump the Tm3+ : YLF gain medium inside an x cavity. A Cr2+ : ZnSe saturable absorber was also included in the cavity to initiate passive Q switching. At all pump power levels above lasing threshold, passively Q-switched operation of the Tm3+ : YLF laser could be obtained at 2309 nm with pulse durations and repetition frequencies in the ranges of 1.21.4 mu s and 0.3-2.1 kHz, respectively. Analysis of power dependent repetition rate data further gave an estimated value of 3.1% for the round-trip saturable loss of the Cr2+ : ZnSe saturable absorber. (C) 2017 Optical Society of America
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收藏
页码：1656 / 1659
页数：4
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