Acta Optica Sinica, Volume. 37, Issue 8, 0812001(2017)
Temperature Characteristics of 780 nm Acousto-Optic Modulator
Figures & Tables(6)
Fig. 2. (a) Variation curve between diffraction efficiency and temperature;(b) variation curve between diffraction angle and temperature
Fig. 3. Comparison between theoretical calculation and experimental results of elliptically polarized angle φ with acousto-optic crystal temperature variation
Fig. 4. Thermal simulation result of TeO2 crystal under space microgravity environment
Table 1. Sensitivity analysis of temperature effect of AOM and variation of output laser power
View tableTable 1. 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)
Table 2. Thermal parameters of related materials
View tableTable 2. 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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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
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Mar. 1, 2017
Accepted: --
Published Online: Sep. 7, 2018
The Author Email: Qu Qiuzhi (quqiuzhi@siom.ac.cn)
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