Development of an injection-seeded single-frequency laser by using the phase modulated technique

Dai Shu-Tao^{1, 2}, Wu Hong-Chun¹, Shi Fei¹, Deng Jing¹, Ge Yan¹, Weng Wen¹, Lin Wen-Xiong^{1, 2, †}

(color online) Time behavior of the long-term frequency fluctuations recorded shot-to-shot over 30 min. The horizontal axis shows measurement time (min) and the vertical axis indicates measured wavelength (nm). The inset shows the same time behavior for two minutes.