Arbitrary frequency stabilization of a diode laser based on visual Labview PID VI and sound card output
Feng Guo-Sheng, Wu Ji-Zhou†, Wang Xiao-Feng, Zheng Ning-Xuan, Li Yu-Qing, Ma Jie‡, Xiao Lian-Tuan, Jia Suo-Tang
       
(a) Flow chart of the locking frequency feedback system, (b) interface of our Labview procedure.