Acta Optica Sinica, Volume. 43, Issue 13, 1314003(2023)
Thermal Analysis Method for Optical Reference Cavity of Ultra-Stable Laser Based on Transfer Function
Figures & Tables(6)
Fig. 1. Physical model of FP reference cavity system with multilayer thermal shield
Fig. 2. Comparison of the temperature change of FP cavity only considering heat radiation. (a)(b) Comparison of temperature change of FP cavity obtained from Eq. (1) (differential equations) and Eq. (4) (transfer function) and its residual error curve; (c)(d) comparison of temperature change of FP cavity obtained from ANSYS (finite element simulation) and Eq. (4) (transfer function) and its residual error curve
Fig. 3. Comparison of temperature change of FP cavity from Eq. (1) (differential equations) and Eq. (4) (transfer function) when simultaneously considering heat radiation and heat conduction. (a) Comparison of the temperature change of FP cavity; (b) residual curve
Fig. 5. Temperature sensitivity curves of FP cavity with different multiple layers shield
Table 1. Thermal parameters of materials
View tableTable 1. Thermal parameters of materials
Material Density ρ /（kg·m-3） Specific heat capacity /（J·kg-1·K-1） Thermal conductivity
/ （W·m-1·K-1）
Radiant emissivity Stainless steel 7820 468 13.4 0.17 Aluminum alloy（with gold plated surface） 2700 900 385 0.03 ULE 2200 767 1.31 0.91 Teflon 2250 1400 0.25 0.85
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Jiuchang Deng, Yong Xie, Lingqiang Meng, Wei Bian, Xiongfei Yin, Jianjun Jia. Thermal Analysis Method for Optical Reference Cavity of Ultra-Stable Laser Based on Transfer Function[J]. Acta Optica Sinica, 2023, 43(13): 1314003
Paper Information
Category: Lasers and Laser Optics
Received: Jan. 10, 2023
Accepted: Mar. 6, 2023
Published Online: Jul. 12, 2023
The Author Email: Meng Lingqiang (lingqiang.meng@ucas.ac.cn), Jia Jianjun (jjjun10@mail.sitp.ac.cn)
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