光学学报, 2017, 37 (8): 0812001, 网络出版: 2018-09-07 复制并引用该论文  本文已被引 3 次  被引通知

图 & 表

图 1. 声光效应原理示意图

Fig. 1. Schematic diagram of acousto-optic effect

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图 2. (a)衍射效率随温度变化曲线;(b)衍射角随温度变化曲线

Fig. 2. (a) Variation curve between diffraction efficiency and temperature;(b) variation curve between diffraction angle and temperature

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图 3. 椭圆偏振角φ随声光晶体温度变化理论计算和实验结果对比

Fig. 3. Comparison between theoretical calculation and experimental results of elliptically polarized angle φ with acousto-optic crystal temperature variation

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图 4. 空间微重力环境下TeO2晶体的热模拟结果

Fig. 4. Thermal simulation result of TeO2 crystal under space microgravity environment

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表 1AOM温度效应灵敏度分析以及引起的输出激光功率的变化

Table1. Sensitivity analysis of temperature effect of AOM and variation of output laser power

Temperature impact factor Sensitivity analysis Variation of output power Diffraction efficiency 0.02%/℃ 0.02%/℃ Diffraction angle 0.5 μrad/℃ 0.05%/℃ Polarization angle with incident light of 2° 0.76° (max) 2.64%/℃ (max) Polarization angle with incident light of 6° 2.28°/℃ (max) 7.92%/℃ ( max)

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表 2相关材料热学参数

Table2. Thermal parameters of related materials

Parameter Density /(kg·m-3) Thermal conductivity /(W·℃·m-1) Specific heat /(J·℃·kg-1) TeO2 crystal 6000 3 1000 6061 alloy 2710 167 920 Aluminum silicon carbide 2770 220 875

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吕挺, 段玉雄, 项静峰, 任伟, 吕德胜, 汪斌, 李琳, 李唐, 屈求智. 780 nm声光调制器的温度特性[J]. 光学学报, 2017, 37(8): 0812001. Ting Lü, Yuxiong Duan, Jingfeng Xiang, Wei Ren, Desheng Lü, Bin Wang, Lin Li, Tang Li, Qiuzhi Qu. Temperature Characteristics of 780 nm Acousto-Optic Modulator[J]. Acta Optica Sinica, 2017, 37(8): 0812001.