[1] Z X BAI, Z G ZHAO, M H TIAN et al. A comprehensive review on the development and applications of narrow-linewidth lasers. Microwave and Optical Technology Letters, 64, 2244-2255(2022).

[2] Kuanshou ZHANG, Huadong LU, Yuanji LI et al. Progress on high-power low-noise continuous-wave single-frequency all-solid-state lasers. Chinese Journal of Lasers, 48, 19-37(2021).

[3] Bingzheng YAN, Xikui MU, Jiashuo AN et al. Advances in 2 μm single-longitudinal-mode all-solid-state pulsed lasers. Infrared and Laser Engineering, 53, 1-17(2024).

[4] M H CHEN, S C HSIAO, K T SHEN et al. Single longitudinal mode external cavity blue InGaN 9 diode laser. Optics & Laser Technology, 116, 68-71(2019).

[5] Zhenxu BAI, Hui CHEN, Jie DING et al. High-power brillouin frequency comb based on free-space optical cavity. Chinese Journal of Lasers, 49, 195-199(2022).

[6] Y LEI, A F MAO, Y L LI et al. Research on single longitudinal mode laser based on F-P etalon and Q-switched delay. Optik, 167, 1-6(2018).

[7] Ziyan WU, Xiaolin SUI, Bo LIU et al. High repetition frequency long-distance pulsed laser coherent ranging based on local oscillator modulation. Chinese Journal of Lasers, 51, 206-219(2024).

[8] Tao ZHU, Laiyang DANG, Jiali LI et al. Narrow linewidth laser technology and development. Acta Photonica Sinica, 51, 55-75(2022).

[9] Zhiyu FENG, Yu CHENG, Libo YUAN et al. Linewidth characteristics of wavelength-tunable narrow linewidth lasers. Laser & Optoelectronics Progress, 59, 150-155(2022).

[10] Xiangyu QI, Chao CHEN, Yi QU, at et. Complete frequency domain analysis for linewidth of narrow linewidth lasers. Spectroscopy And Spectral Analysis, 39, 2354-2359(2019).

[11] Guijuan ZHAO, Yulei WANG, Bin CHEN et al. LD side-pumped passively Q-switched ring cavity single-longitudinal-mode laser. Acta Optica Sinica, 42, 117-121(2022).

[12] Chao LI, Yongjie WANG, Fang LI. Highly stable FBG wavelength demodulation system based on F-P etalon with temperature control module. Infrared and Laser Engineering, 46, 238-242(2017).

[13] Jingwei SUN, Yang YU, Kaixin WANG et al. Single-frequency ring laser oscillation and power amplification system. Acta Photonica Sinica, 52, 37-44(2023).

[14] Jiao WEI, Pixian JIN, Jing SU et al. All-solid-state single-frequency continuous-wave wideband tunable Titanium sapphire laser. Electro-optic Technology Application, 38, 19-29(2023).

[15] Changdong NIU, Ruifeng DAI, Ruike LIU et al. Single-longitudinal-mode selection technology and application of solid-state laser. Electro-optic Technology Application, 35, 38-47(2020).

[16] X P ZHANG, Z H WANG, S LIU et al. Development of single-longitudinal-mode selection technology for solid-state lasers. International Journal of Optics, 2021, 6667015-1-13(2021).

[17] K I MARTIN, W A CLARKSON, D C HANNA. Self-suppression of axial mode hopping by intracavity second-harmonic generation. Optics Letters, 22, 375-377(1997).

[18] H D LU, X J SUN, M H WANG et al. Single frequency Ti: sapphire laser with continuous frequency-tuning and low intensity noise by means of the additional intracavity nonlinear loss. Optics Express, 22, 1-8(2014).

[19] Muye LI, Xuezong YANG, Yuxiang SUN et al. Single-frequency continuous-wave diamond Raman laser. Infrared and Laser Engineering, 51, 54-64(2022).

[20] Duo JIN, Zhenxu BAI, Wenqiang FAN et al. Four times linewidth narrowing has been achieved in diamond Brillouin laser. Infrared and Laser Engineering, 52, 301-304(2023).

[21] Hao ZHENG, Chen ZHAO, Fei ZHANG et al. Study on the longitudinal mode characteristic of idler wave in MgO: PPLN infrared optical parametric oscillator. Infrared and Laser Engineering, 52, 32-37(2023).

[22] L JIN, W C DAI, Y J YU et al. Single longitudinal mode Q-switched operation of Pr: YLF laser with pre-lase and fabry-perot etalon technology. Optics & Laser Technology, 129, 106294(2020).

[23] D JIN, Z X BAI, Q Z WANG et al. Doubly Q-switched single longitudinal mode Nd:YAG laser with electro-optical modulator and Cr4+: YAG. Optics Communications, 463, 125500(2020).

[24] Y F CHEN, Z X BAI, D JIN et al. Repetition rate tunable single-longitudinal-mode acoustic-optical Q-switched nanosecond laser. Results in Physics, 46, 106318(2023).

[25] L JIN, W C DAI, Y J YU et al. Mode evolution mechanism of Pr3+: YLF single longitudinal mode laser. Applied Physics B, 126, 111-112(2020).

[26] Z H GAO, W X ZHANG, B X YAN et al. A tunable single-longitudinal-mode wedge Nd:YVO4 laser with a YVO4 wave-plate. Applied Physics B, 126, 172-1-8(2020).

[27] Duo ZHANG. LD pumped Nd:YAG short cavity laser with high repetition rate and narrow pulse width(2022).

[28] X J WANG, Z Y XU. Single-longitudinal-mode operation of a 1 watt combined actively and passively Q-switched Cr, Nd: YAG laser. Optics Express, 13, 6693-6698(2005).

[29] Jianing SUN, Yulei WANG, Yu ZHANG et al. Thermal effect analysis of LD end-pumped Er:Yb:glass/Co:MALOcrystal. Infrared and Laser Engineering, 52, 140-151(2023).