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Volume 28 Issue 5
Sep.  2013
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Citation:

Study on laser-diode-pumped 1319nm single frequency laser tuning and noise suppression

  • Received Date: 2003-10-17
    Accepted Date: 2004-02-24
  • The frequency tuning of LD-pumped non-planar ring Nd:YAG resonator laser is studied.The output power of the 1319nm single frequency laser is tuned broadly in 14GHz by temperature control.Further more,the main cause of single-frequency laser's intensity noise is studied.The intensity noise is measured and the result for an active feedback loop that suppresses the relaxation oscillation noise is presented.The intensity noise is suppressed 30dB at the central frequency of relaxation oscillation,measurement precision is improved.
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  • [1] KANE T J,BYER R L.Monolithic unidirectional single-mode Nd:YAG ring laser[J].Opt Lett,1987,10(2):65~67.[2] SAMPAS N M,GUSTAFSON E K,BYER R L.Long-term stability of two diode-laser-pumped non-planar ring lasers independently stabilized to two Fabry-Perot interferometers[J].Opt Lett,1993,18(12):947~949.[3] WIECHMANN W,KANE T J,HASEROT D et al. 20W diode-pumped single-frequency Nd: YAG MOPA for the laser interferometer gravitational wave observatory[A].Conference on Lasers and Electro-Optics Europe-Technical Digest[C].San Francisco:IEEE,1998.432~433.[4] FREITAG I,HENKING R,TNNERMANN A et al.Quasi-three-level room temperature Nd: YAG ring laser with high single-frequency output power at 946nm[J].Opt Lett,1995,20(4):2499~2501.[5] FREITAG I,TNNERMANN A,WELLING H.Intensity stabilized Nd: YAG ring laser with 1.5W single-frequency output power at 1.357μm[J].Electron Lett,1997,33(9):777~778.[6] KOECHNER W.固体激光工程[M].北京:科学出版社,2002.40~42.[7] 陈梁,过振,王石语 et al.连续激光二极管端面抽运Nd:YAG激光器噪声研究[J].光学学报,2000,20(2):167~174.

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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study on laser-diode-pumped 1319nm single frequency laser tuning and noise suppression

  • 1. Department of Photo-Electronic Engineering, Beijing Institute of Technology, Beijing 100081, China

Abstract: The frequency tuning of LD-pumped non-planar ring Nd:YAG resonator laser is studied.The output power of the 1319nm single frequency laser is tuned broadly in 14GHz by temperature control.Further more,the main cause of single-frequency laser's intensity noise is studied.The intensity noise is measured and the result for an active feedback loop that suppresses the relaxation oscillation noise is presented.The intensity noise is suppressed 30dB at the central frequency of relaxation oscillation,measurement precision is improved.

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