Pump Noise Immune
A dual-photodiode differential detection scheme eliminates pump intensity noise interference with intracavity etalon locking, enabling stable CW single-frequency tunable Ti:sapphire laser output.
Song, Jiaqi · Jiliang, Qin · Jin, Pixian · Yanan, Chen · Su, Jing · Lu, Huadong
Optics Express 2023
Eliminated the influence of pump source intensity noise on intracavity etalon locking stability