Non-crossover sub-Doppler DAVLL in selective reflection scheme  

作　　者：Lin-Jie Zhang Hao Zhang Yan-Ting Zhao Lian-Tuan Xiao Suo-Tang Jia 张临杰;张好;赵延霆;肖连团;贾锁堂(State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Laser Spectroscopy,Shanxi University,Taiyuan 030006,China;Collaborative Innovation Center of Extreme Optics,Shanxi University,Taiyuan 030006,China)

机构地区：[1]State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Laser Spectroscopy,Shanxi University,Taiyuan 030006,China [2]Collaborative Innovation Center of Extreme Optics,Shanxi University,Taiyuan 030006,China

出　　处：《Chinese Physics B》2019年第8期190-194,共5页中国物理B（英文版）

基　　金：Project supported by the National Key Research and Development Program of China(Grant Nos.2017YFA0304203 and 2016YFF0200104);the National Natural Science Foundation of China(Grant No.61827824);the Fund from the BAIREN Plan of Shanxi Province,China;the Funding for Shanxi “1331 Project” Key Subjects Construction,China

摘　　要：We demonstrate a non-crossover sub-Doppler dichroic atomic vapor laser locking(DAVLL)in selective reflection scheme,which allows us to obtain a modulation-free laser locking with wide tuneable range.The dependence of peak-to-peak amplitude,tuneable range and the slope near the zero-crossing point of error signal on the frequency shift induced by the magnetic fields are studied.The adjustable error signal by the varying external magnetic field can offer the laser locking from the order of tens MHz to hundreds MHz.The ultimate dither of locked laser frequency is less than 0.5 MHz.The square root of Allan variance of the error signals reaches a minimum of 3×10^-10 for an averaging time of 130 s.We demonstrate a non-crossover sub-Doppler dichroic atomic vapor laser locking(DAVLL) in selective reflection scheme, which allows us to obtain a modulation-free laser locking with wide tuneable range. The dependence of peak-to-peak amplitude, tuneable range and the slope near the zero-crossing point of error signal on the frequency shift induced by the magnetic fields are studied. The adjustable error signal by the varying external magnetic field can offer the laser locking from the order of tens MHz to hundreds MHz. The ultimate dither of locked laser frequency is less than 0.5 MHz. The square root of Allan variance of the error signals reaches a minimum of 3 × 10-10 for an averaging time of 130 s.

关 键 词：REFLECTION SPECTRUM DAVLL sub-Doppler frequency STABILIZATION 

分 类 号：O4[理学—物理]