Anisotropy of the thermal and laser output properties in Yb,Nd:Sc<sub>2</sub>SiO<sub>5</sub> crystal

Yuqing Zhao; Qiangguo Wang; Lihua Meng; Yongping Yao; Shande Liu; Na Cui; Liangbi Su; Lihe Zheng; Huiyun Zhang; Yuping Zhang

doi:doi:10.3788/COL202119.041405

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： 618次

Yuqing Zhao ¹Qiangguo Wang ¹Lihua Meng ¹Yongping Yao ¹Shande Liu ^1,2,*Na Cui ¹Liangbi Su ³Lihe Zheng ^4,**Huiyun Zhang ¹Yuping Zhang ^1,***

Author Affiliations

¹ College of Electronic and Information Engineering, Shandong University of Science and Technology, Qingdao 266590, China

² Collaborative Innovation Center of Light Manipulations and Applications, Shandong Normal University, Jinan 250358, China

³ Key Laboratory of Transparent and Opto-functional Inorganic Materials, Artificial Crystal Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

⁴ School of Physics and Astronomy, Yunnan University, Kunming 650091, China

anisotropy thermal property tunable laser Yb,Nd:Sc2SiO5 crystal

Abstract

The anisotropy of thermal property in an

Yb, Nd : {Sc}_{2} {SiO}_{5}

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

Yb, Nd : {Sc}_{2} {SiO}_{5}

crystals orientated at (100), (010), (001), and (406) is calculated to be 3.46, 2.60, 3.35, and

3.68 W / (m \cdot K)

, 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

Yb, Nd : {Sc}_{2} {SiO}_{5}

crystal with (010) direction, corresponding to a slope efficiency of 48.56%. The tuning wavelength range in the

Yb, Nd : {Sc}_{2} {SiO}_{5}

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.

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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.

Anisotropy of the thermal and laser output properties in Yb,Nd:Sc₂SiO₅ crystal Download： 618次

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