光学学报, 2018, 38 (7): 0714002, 网络出版: 2018-09-05
环境温度变化不敏感的光学腔热屏蔽层设计 
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Design of Thermal Shield of Optical Cavities for Low Sensitivity to Environmental Temperature Fluctuations
图 & 表
图 1. (a) 单层热屏蔽层的光学腔系统切面图和等效多级RC积分电路; (b) 双层热屏蔽层的光学腔系统切面图和等效多级RC积分电路
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
图 2. (a) d1和h不同时,光学腔的温度随时间的变化情况;(b)光学腔的响应时间tr随d1的变化
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
图 3. 单层热屏蔽层系统中热阻随距离d1的变化关系。(a)真空室对热屏蔽层的热阻;(b)热屏蔽层对光学腔的热阻
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
图 4. (a)光学腔的温度响应时间tr随d2的变化情况;(b)当d1=d2=10 mm时,光学腔的温度响应时间tr随m1∶m2的变化情况
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
图 5. 光学腔的温度敏感度
Fig. 5. Temperature sensitivity of optical cavity to the environmental temperature fluctuations
表 1材料参数
Table1. Parameters of materials
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李雪艳, 蒋燕义, 姚远, 毕志毅, 马龙生. 环境温度变化不敏感的光学腔热屏蔽层设计[J]. 光学学报, 2018, 38(7): 0714002. 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.
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