Xueyan Li, Yanyi Jiang, Yuan Yao, Zhiyi Bi, Longsheng Ma. Design of Thermal Shield of Optical Cavities for Low Sensitivity to Environmental Temperature Fluctuations[J]. Acta Optica Sinica, 2018, 38(7): 0714002
- Acta Optica Sinica
- Vol. 38, Issue 7, 0714002 (2018)
Fig. 1. (a) Schematic diagram of a cavity system with a single layer of thermal shield and the equivalent multilevel RC integrating circuit; (b) schematic diagram of a cavity system with two layers of thermal shields and the equivalent RC multilevel integrating circuit
Fig. 2. Temperature of optical cavity as a function of time with different d1 and h; (b) response time of optical cavity tr as a function of d1
Fig. 3. Thermal resistances in a single layer thermal shield system as a function of d1. (a) Thermal resistances between vacuum chamber and thermal shield; (b) thermal resistances between thermal shield and optical cavity
Fig. 4. (a) Temperature response time tr of optical cavity as a function of d2; (b) temperature response time tr of optical cavity as a function of m1∶m2 when d1=d2=10 mm
Fig. 5. Temperature sensitivity of optical cavity to the environmental temperature fluctuations
Fig. 6. (a) Experimental setup for measuring the temperature response time of an optical cavity; (b) measurement results
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Table 1. Parameters of materials
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