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1.天津理工大学电气电子工程学院 天津市复杂系统控制理论及应用重点实验室, 天津 300384
2.核工业理化工程研究院, 天津 300180
[ "朱均超(1972-), 男, 河南开封人, 博士, 副教授, 2007年于天津大学获得博士学位, 主要从事光电检测与控制方面的研究。E-mail:zhujunchao_tjut@163.com" ]
豆梓文(1995-), 女, 河南商丘人, 2016年于河南理工大学获得学士学位, 主要从事光电检测方面的研究。E-mail:douziwentjut@163.com DOU Zi-wen, E-mail:douziwentjut@163.com
收稿日期:2017-12-11,
录用日期:2018-1-18,
纸质出版日期:2018-07-25
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朱均超, 豆梓文, 李嘉强, 等. 高精度大范围的光学晶体温度控制系统[J]. 光学 精密工程, 2018,26(7):1604-1611.
Jun-cao ZHU, Zi-wen DOU, Jia-qiang LI, et al. High-precision and wide-range optical crystal temperature control system[J]. Optics and precision engineering, 2018, 26(7): 1604-1611.
朱均超, 豆梓文, 李嘉强, 等. 高精度大范围的光学晶体温度控制系统[J]. 光学 精密工程, 2018,26(7):1604-1611. DOI: 10.3788/OPE.20182607.1604.
Jun-cao ZHU, Zi-wen DOU, Jia-qiang LI, et al. High-precision and wide-range optical crystal temperature control system[J]. Optics and precision engineering, 2018, 26(7): 1604-1611. DOI: 10.3788/OPE.20182607.1604.
为解决固体激光器工作时光学晶体产生的热沉积问题,保证其工作性能稳定,提出了一种基于半导体制冷器(TEC)的高控温精度、大控温范围光学晶体温度控制方案。分析了TEC的工作特性和光学晶体的热效应与传热机理,将TEC工作过程中自身温度变化引起的电气特性改变与光学晶体温度的变化同时纳入控制环节,建立了温度-电流双闭环温度控制模型,设计并完成了一套高控温精度、大控温范围的光学晶体温度控制系统。实验结果表明:本系统在-15~120℃的温度控制范围内,可以迅速稳定在任一设定的温度点,其控温精度优于±0.002℃;当设定温度和实际温度之间的偏差在20℃以内时,其收敛稳定时间小于60 s,可以满足固体激光器中光学晶体对控温范围与精度的要求。
To address the problem of heat accumulation of optical crystals in solid-state lasers and ensure the stability of its work performance
a temperature-control method with high temperature control accuracy and large temperature control range
based on a semiconductor Thermoelectric Cooler (TEC)
was proposed. Based on the operating characteristics of the TEC
the heat effect and the heat transfer mechanism of the optical crystal
a temperature-current double closed-loop temperature control model was established. The proposed model controls both the electrical characteristic variations of the working TEC and the temperature variations of the optical crystal. A high-precision and wide-range optical crystal thermostat control system was designed and implemented. Experimental results demonstrate that the overall temperature control accuracy of the proposed system is better than ±0.002℃
and the system can quickly stabilize at any set point temperature in a wide temperature range of -15-120℃
when the set temperature and the actual temperature deviate 20℃
a stable convergence time of less than 60 s
which meets the requirements of solid-state laser optical crystal for temperature range and accuracy.
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GAO H, TENG B, WANG Z, et al .. Room temperature noncritical phase matching fourth harmonic generation properties of ADP, DADP, and DKDP crystals[J]. Optical Materials Express , 2017, 7(11):4050.
DEBNATH R, KUMARI P, SAHA A. Electro-optically tuned non-critically phase matched second harmonic generation of Nd:YAG laser in LiNbO 3 crystal[J]. Optik-International Journal for Light and Electron Optics , 2017, 132:232-235.
GAO Y W, LV H, WANG X D, et al .. Enhanced Peltier cooling of two-stage thermoelectric cooler via pulse currents[J]. International Journal of Heat and Mass Transfer , 2017, 114:656-663.
谢海鹤, 邹文栋, 黄长辉, 等.基于PWM比较放大的LD温控系统[J].仪器仪表学报, 2009, 30(7):1530-1534.
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