中国物理B ›› 2021, Vol. 30 ›› Issue (8): 84201-084201.doi: 10.1088/1674-1056/abea99

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Continuous-wave Nd:KGd(WO4)2 single-longitudinal-mode laser

Rui-Jun Lan(兰瑞君)1,†, Guang-Hua Liu(刘广华)1, Huan-Huan Min(闵欢欢)1, Tong-Yu Dai(戴通宇)2, Ying-Jie Shen(申英杰)1, Peng-Hua Mu(穆鹏华)1, Cheng Ren(任承)1, De-Zhong Cao(曹德忠)1, and Xavier Mateos3   

  1. 1 School of Opto-electronic Information Science and Technology, Yantai University, Yantai 264005, China;
    2 National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China;
    3 Física i Cristal·lografia de Materials i Nanomaterials(FiCMA-FiCNA), Universitat Rovira i Virgili(URV), Campus Sescelades, c/Marcel·lí Domingo, s/n., Tarragona 43007, Spain
  • 收稿日期:2021-01-17 修回日期:2021-02-07 接受日期:2021-03-01 出版日期:2021-07-16 发布日期:2021-07-20
  • 通讯作者: Rui-Jun Lan E-mail:lanruijun1@163.com
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11674273 and 61805209).

Continuous-wave Nd:KGd(WO4)2 single-longitudinal-mode laser

Rui-Jun Lan(兰瑞君)1,†, Guang-Hua Liu(刘广华)1, Huan-Huan Min(闵欢欢)1, Tong-Yu Dai(戴通宇)2, Ying-Jie Shen(申英杰)1, Peng-Hua Mu(穆鹏华)1, Cheng Ren(任承)1, De-Zhong Cao(曹德忠)1, and Xavier Mateos3   

  1. 1 School of Opto-electronic Information Science and Technology, Yantai University, Yantai 264005, China;
    2 National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China;
    3 Física i Cristal·lografia de Materials i Nanomaterials(FiCMA-FiCNA), Universitat Rovira i Virgili(URV), Campus Sescelades, c/Marcel·lí Domingo, s/n., Tarragona 43007, Spain
  • Received:2021-01-17 Revised:2021-02-07 Accepted:2021-03-01 Online:2021-07-16 Published:2021-07-20
  • Contact: Rui-Jun Lan E-mail:lanruijun1@163.com
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11674273 and 61805209).

摘要: A continuous-wave Nd:KGd(WO4)2 single-longitudinal-mode laser is demonstrated with Fabry-Perot etalons in a simple linear cavity. The thermal lens effect is dramatically lowered by propagating the laser beam along the ‘athermal’ direction inside the laser crystal, which is very beneficial to removing the heat generated in the mode selection process. The maximum single-longitudinal-mode output power obtained is 64.8 mW at incident pump power of 4.7 W, corresponding to an optical conversion efficiency of 1.3% and a slope efficiency of 1.7%.

关键词: continuous wave, single-longitudinal mode, Fabry-Perot etalon

Abstract: A continuous-wave Nd:KGd(WO4)2 single-longitudinal-mode laser is demonstrated with Fabry-Perot etalons in a simple linear cavity. The thermal lens effect is dramatically lowered by propagating the laser beam along the ‘athermal’ direction inside the laser crystal, which is very beneficial to removing the heat generated in the mode selection process. The maximum single-longitudinal-mode output power obtained is 64.8 mW at incident pump power of 4.7 W, corresponding to an optical conversion efficiency of 1.3% and a slope efficiency of 1.7%.

Key words: continuous wave, single-longitudinal mode, Fabry-Perot etalon

中图分类号:  (Diode-pumped lasers)

  • 42.55.Xi
42.60.Pk (Continuous operation) 42.60.Fc (Modulation, tuning, and mode locking)