铷原子双光子光频标谱线信噪比影响因素研究

张炯阳¹, 翟浩^1,^2,^*, 肖玉华^1,^*, 王骥^1,^*, 代虎¹, 陈江¹

Study on the Factors Affecting the Signal-to-Noise Ratio of Two-Photon Optical Frequency Standard Spectral Lines Based on Rubidium Atom

ZHANG Jiong-yang¹, ZHAI Hao^1,^2,^*, XIAO Yu-hua^1,^*, WANG Ji^1,^*, DAI Hu¹, CHEN Jiang¹

PMT增益对跃迁谱线信噪比的影响 (a): 不同PMT增益下的荧光信号; (b): 信噪比随PMT增益的变化关系