Stable continuous-wave single-frequency intracavity frequency-doubled laser with intensity noise suppressed in audio frequency region

Gao Ying-Hao¹, Li Yuan-Ji^{1, 2, †}, Feng Jin-Xia^{1, 2}, Zhang Kuan-Shou^{1, 2}

Power fluctuation of the 532 nm laser before MZI (0–5 h) and output from a locked MZI (5–10 h).