Frequency doubled femtosecond Ti:sapphire laser with an assisted enhancement cavity
Zhang Jin-Wei, Han Hai-Nian†, 
, Hou Lei, Zhang Long, Yu Zi-Jiao, Li De-Hua, Wei Zhi-Yi‡,
, Hou Lei, Zhang Long, Yu Zi-Jiao, Li De-Hua, Wei Zhi-Yi‡, Signals on the oscilloscope: (a) signals before locking and (b) signals after locking. The black line is the scanning signal, the blue line is the error signal, and the red line is the peak signal.
