Chinese Optics Letters, 2021, 19 (4): 041405, Published Online: Feb. 22, 2021
Anisotropy of the thermal and laser output properties in Yb,Nd:Sc2SiO5 crystal Download: 625次
Abstract
The anisotropy of thermal property in an crystal is investigated from the temperature of 293 to 573 K. Based on the systematical study of thermal expansion, thermal diffusivity, and specific heat, the thermal conductivity in crystals orientated at (100), (010), (001), and (406) is calculated to be 3.46, 2.60, 3.35, and , respectively. The laser output anisotropy of a continuous-wave (CW) and tunable laser is characterized, accordingly. A maximum output power of 6.09 W is achieved in the crystal with (010) direction, corresponding to a slope efficiency of 48.56%. The tuning wavelength range in the crystal orientated at (100), (010), and (001) is 68, 67, and 65 nm, separately. The effects of thermal properties on CW laser performance are discussed.
Yuqing Zhao, Qiangguo Wang, Lihua Meng, Yongping Yao, Shande Liu, Na Cui, Liangbi Su, Lihe Zheng, Huiyun Zhang, Yuping Zhang. Anisotropy of the thermal and laser output properties in Yb,Nd:Sc2SiO5 crystal[J]. Chinese Optics Letters, 2021, 19(4): 041405.