傅礼鹏, 令狐梅傲, 何晓亮, 王智林, 朱贺, 陈华志.微型声光调Q开关[J].压电与声光,2018,40(3):319-322.FU Lipeng, LINGHU Meiao, HE Xiaoliang, WANG Zhiling, ZHU He, CHEN Huazhi.Micro Acousto optic Q switch[J].PIEZOELECTRICS AND ACOUSTOOPTICS
微型声光调Q开关
Micro Acousto optic Q switch
  
DOI:10.11977/j.issn.1004-2474.2018.03.003
中文关键词:  微型声光调Q开关  光脉冲上升时间  光孔径  衍射损耗
英文关键词:micro acousto optic Q switch  rise time of light pulses  light aperture  diffraction loss
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作者单位
傅礼鹏, 令狐梅傲, 何晓亮, 王智林, 朱贺, 陈华志 (中国电子科技集团公司第二十六研究所重庆 400060) 
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中文摘要:
      该文介绍了应用于激光器系统中的微型声光调Q开关的设计、测试及应用。通过有限元数值分析各因素对声光调Q开关衍射损耗的影响,提出了一种新型优化声光调Q开关的设计方案。选用氧化碲(TeO2)晶体作为光电偏转材料,利用集成电路兼容工艺加工得到封装尺寸为17.8 mm×6.8 mm×17.8 mm,工作波长1 064 nm,光脉冲上升时间28.99 ns的微型声光调Q开关。该微型声光调Q开关具有优异的性能,其体积缩减到原来产品的40%;光孔径为0.8 mm;在全温范围(-45~70 ℃)内稳定工作,衍射损耗保持在35%(±2%)。
英文摘要:
      This paper introduced the design,testing and applications of micro acousto optic Q switch in laser system. The influences of various factors on the diffraction loss of the acousto optic Q switch was analyzed by the finite element method and a new design scheme for optimizing the acoustic optical Q switched was proposed. The tellurium oxide (TeO2) crystal was selected as the photoelectric deflection material, and the micro acousto optic Q switch with a package size of 17.8 mm×6.8 mm×17.8 mm, operating wavelength of 1 064 nm and the light pulse rise time of 28.99 ns was fabricated by using the integrated circuit compatible process. The micro acousto optic Q switch has excellent performance, in which the volume has reduced to 40% of the original product and the diameter of the aperture was 0.8 mm. With stable operation over the full temperature range (-45~70 °C), the diffraction loss was maintained at 35% (±2%).
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