Diode laser using narrow bandwidth interference filter at 852 nm and its application in Faraday anomalous dispersion optical filter

Jiang Zhaojie¹, Zhou Qi², Tao Zhiming^{1, 3}, Zhang Xiaogang¹, Zhang Shengnan¹, Zhu Chuanwen¹, Lin Pingwei⁴, Chen Jingbiao^{1, †,}

Saturated absorption spectrum (SAS) at 852 nm corresponding to crossover transition 6²S_1/2, F = 3 → 6²P_3/2, F′ = 2,3,4.