Jia Meng-Yuan, Zhao Gang, Zhou Yue-Ting, Liu Jian-Xin, Guo Song-Jie, Wu Yong-Qian, Ma Wei-Guang, Zhang Lei, Dong Lei, Yin Wang-Bao, Xiao Lian-Tuan, Jia Suo-Tang. Frequency locking of fiber laser to 1530.58 nm NH3 sub-Doppler saturation spectrum based on noise-immune cavity-enhanced optical heterodyne molecular spectroscopy techniqueJ. Acta Physica Sinica, 2018, 67(10): 104207. DOI: 10.7498/aps.67.20172541