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An α-BaTeMo2O9 Acousto-Optical Q-Switch for All-Fiber Lasers
IEEE Photonics Technology Letters ( IF 2.3 ) Pub Date : 2021-03-08 , DOI: 10.1109/lpt.2021.3064231
Fuan Liu , Zeliang Gao , Guoru Li , Qian Wu , Zhitai Jia , Baitao Zhang , Jingliang He , Xutang Tao

In this letter, a novel acousto-optical (AO) Q-switch is designed by using $\alpha $ -BaTeMo $_{\mathbf {2}}~\text{O}_{\mathbf {9}}$ crystal grown by the flux method. The acousto-optical modulator (AOM) exhibits a high polarization extinction ratio of 65 dB with a rise time of 32.8 ns and insertion loss of 3.66 dB. An actively Q-switched ytterbium doped all fiber laser at 1035 nm is successfully realized by using the prepared AOM. Under a pump power of 404.9 mW, a maximum output power of 1.66 W is obtained with pulse width of 167 ns at the modulation rate of 10 kHz. The results show that the $\alpha $ -BaTeMo $_{\mathbf {2}}~\text{O}_{\mathbf {9}}$ AOM is a potential Q-switch for all fiber lasers.

中文翻译:

α-BaTeMo 2 ö 9声光Q开关为全光纤激光器

在这封信中,通过使用 $ \ alpha $ -BaTeMo $ _ {\ mathbf {2}}〜\ text {O} _ {\ mathbf {9}} $ 用助熔剂法生长的晶体。声光调制器(AOM)的偏振消光比高达65 dB,上升时间为32.8 ns,插入损耗为3.66 dB。通过使用制备的AOM成功地实现了1035 nm的有源Q开关掺do全光纤激光器。在404.9 mW的泵浦功率下,以10 kHz的调制速率在167 ns的脉冲宽度下可获得1.66 W的最大输出功率。结果表明 $ \ alpha $ -BaTeMo $ _ {\ mathbf {2}}〜\ text {O} _ {\ mathbf {9}} $ AOM是所有光纤激光器的潜在Q开关。
更新日期:2021-04-02
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