无源光学谐振腔的设计加工及其在稳频激光器中的应用
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摘要
设计和研制了两台自由光谱区为750 MHz,精细度300的高精度控温无源光学谐振腔,分别用于监测自制的双10 W级相位关联连续波1 064/532nm双波长激光器的单频特性和作为稳频系统的参考腔,通过将双波长激光器的频率锁定到参考腔,进一步提升双波长激光器的输出频率和功率稳定性。单频1 064nm激光器1 min的频率漂移量以及4h内功率波动性分别由未锁定状态的21.82 MHz和±0.97%降低到锁定条件下的9.84 MHz和±0.32%。
The design and processing of the passive optical resonator with high precision temperature controller have been demonstrated,and two Fabry-Perot(F-P)cavities with the free spectral range(FSR)of 750 MHz and fineness of 300 have been realized.The two F-P cavities are utilized in monitoring the single-frequency operation characteristic of a homemade dual-wavelength 1 064/532 nm laser with more than 10 W output power at each wavelength and act as the reference cavity for frequency stabilization system to further enhance frequency and output power stability of the dual-wavelength laser,respectively.With the frequency stabilization system,the frequency shift of the dual-wavelength laser at 1 064 nm in 1 min reduces from 21.82 MHz to 9.84 MHz,and the output power fluctuation within 4 hdecreases from±0.97% to±0.32%.
The design and processing of the passive optical resonator with high precision temperature controller have been demonstrated,and two Fabry-Perot(F-P)cavities with the free spectral range(FSR)of 750 MHz and fineness of 300 have been realized.The two F-P cavities are utilized in monitoring the single-frequency operation characteristic of a homemade dual-wavelength 1 064/532 nm laser with more than 10 W output power at each wavelength and act as the reference cavity for frequency stabilization system to further enhance frequency and output power stability of the dual-wavelength laser,respectively.With the frequency stabilization system,the frequency shift of the dual-wavelength laser at 1 064 nm in 1 min reduces from 21.82 MHz to 9.84 MHz,and the output power fluctuation within 4 hdecreases from±0.97% to±0.32%.
引文
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[2]程晓辉,赵洋,李达成.F-P干涉仪在长度测量领域的应用[J].激光技术,1999,23(3):134-137.DOI:10.3969/j.issn.1001-3806.1999.03.001.
[3]童杏林,文昌山,朱小龙,等.微型化光纤法布里-珀罗传感器腔长一致性的控制研究[J].光子学报,2012,41(1):1-5.DOI:10.3788/gzxb20124101.0001.
[4]Suter M,Dietiker P.Calculation of the Finesse of an Ideal Fabry-Perot Resonator[J].Appl Opt,2014,53(30):7004-7010.DOI:10.1364/AO.53.00704.
[5]樊巧云,罗玉,张宽收.全固化单频激光器的控温系统[J].量子光学学报,2002,8(2):85-88.DOI:10.3969/j.issn.1007-6654.2002.02.009.
[6]林苗苗.用于殷钢板热成形的柔性模具设计及试验研究[D].哈尔滨工业大学,2014.
[7]范伟,崔长彩,叶瑞芳.压电陶瓷驱动器电源温度控制系统研究[J].压电与声光,2011,33(6):946-949.DOI:10.3969/j.issn.1004-2474.2011.06.026.
[8]Fleischhauer M,Imamoglu A,Marangos J P.Electromagnetically Induced Transparency:Optics in Coherent Media[J].Rev Mod Phys,2005,77(2):633-673.DOI:10.1103/RevModPhys.77.633.
[9]Barger R L,Sorem M S,Hall J L.Frequency Stabilization of a CW Dye Laser[J].Appl Phys Lett,1973,22(11):573-575.DOI:10.1063/1.1654513.
[10]石柱,郭永瑞,尹祺巍,等.双10瓦级相位关联单频连续波1 064/532nm双波长激光器[J].量子光学学报,2017,23(3):290-296.DOI:10.3788/JQO20172303.0011.
[11]Zheng Y H,Li F Q,Wang Y J,et al.High-stability Single-frequency Green Laser with a Wedge Nd:YVO4 as a Polarizing Beam Splitter[J].Opt Commun,2010,283(2):309-312.DOI:10.1016/j.optcom.2009.10.010.
[12]Lu H D,Su J,Zheng Y H,et al.Physical Conditions of Single-longitudinal-mode Operation for High-power All-solidstate Lasers[J].Opt Lett,2014,39(5):1117-1120.DOI:10.1364/OL.39.001117.