High-performance frequency stabilization of ultraviolet diode lasers by using dichroic atomic vapor spectroscopy and transfer cavity

Shen Danna¹, Ding Liangyu¹, Zhang Qiuxin¹, Zhu Chenhao¹, Wang Yuxin¹, Zhang Wei^{1, 2}, Zhang Xiang^{1, 2, †}

Relative frequency offsets of the 399 nm laser (gray) for (left) a short-term within 20 min and (right) a long-term within 40 min measurement as well as relative temperature offsets in the box (black).