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 offsets of frequency ratio between the 399 nm and 370 nm lasers (gray) during (left) a short-term and (right) a long-term measurement as well as relative offsets of the atmospheric pressure in the box (black).