Chen Fei, Xu Dongdong, Gao Fei, Zheng Changbin, Zhang Kuo, He Yang, Wang Chunrui, Guo Jin
Opt Express. 2015 May 4;23(9):12414-22. doi: 10.1364/OE.23.012414.
Employing a fiber-coupled diode-laser with a center wavelength of 852.25 nm and a line width of 0.17 nm, experimental investigation on diode-end-pumped cesium (Cs) vapor laser stably operated at continuous-wave (CW) and pulse regime is carried out. A 5 mm long cesium vapor cell filled with 60 kPa helium and 20 kPa ethane is used as laser medium. Using an output coupler with reflectivity of 48.79%, 1.26 W 894.57 nm CW laser is obtained at an incident pump power of 4.76 W, corresponding an optical-optical efficiency of 26.8% and a slope-efficiency of 28.8%, respectively. The threshold temperature is 67.5 °C. Stable pulsed cesium laser with a maximum average output power of 2.6 W is obtained at a repetition rate of 76 Hz, and the pulse repetition rate can be extend to 1 kHz with a pulse width of 18 μs.
采用中心波长为852.25nm、线宽为0.17nm的光纤耦合二极管激光器，对连续波（CW）和脉冲模式下稳定运行的二极管端面泵浦铯（Cs）蒸气激光器进行了实验研究。一个5mm长、充有60kPa氦气和20kPa乙烷的铯蒸气池被用作激光介质。使用反射率为48.79%的输出耦合器，在4.76W的入射泵浦功率下获得了1.26W、894.57nm的连续波激光，对应的光光效率和斜率效率分别为26.8%和28.8%。阈值温度为67.5℃。在76Hz的重复频率下获得了最大平均输出功率为2.6W的稳定脉冲铯激光器，脉冲重复频率可扩展到1kHz，脉冲宽度为18μs。
