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中国科学院 上海微系统与信息技术研究所 微系统技术重点实验室 传感技术联合国家重点实验室2. 中国科学院大学
收稿日期:2012-09-05,
修回日期:2012-11-11,
网络出版日期:2013-02-23,
纸质出版日期:2013-02-15
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刘英明 徐静 钟少龙 翟雷应 吴亚明. 大尺寸垂直梳齿驱动MOEMS扫描镜[J]. 光学精密工程, 2013,21(2): 400-407
LIU Ying-ming XU Jing ZHONG Shao-long ZHAI Lei-ying WU Ya-ming. Large-scale MOEMS scanning mirror actuated by vertical comb[J]. Editorial Office of Optics and Precision Engineering, 2013,21(2): 400-407
刘英明 徐静 钟少龙 翟雷应 吴亚明. 大尺寸垂直梳齿驱动MOEMS扫描镜[J]. 光学精密工程, 2013,21(2): 400-407 DOI: 10.3788/OPE.20132102.0400.
LIU Ying-ming XU Jing ZHONG Shao-long ZHAI Lei-ying WU Ya-ming. Large-scale MOEMS scanning mirror actuated by vertical comb[J]. Editorial Office of Optics and Precision Engineering, 2013,21(2): 400-407 DOI: 10.3788/OPE.20132102.0400.
提出了一种采用垂直梳齿驱动器驱动的大尺寸、大扭转角度、低驱动电压微光机电系统(MOEMS)扫描镜。理论分析了垂直梳齿驱动器的工作原理,研究了垂直梳齿的制作工艺,采用体硅加工工艺结合硅-硅键合工艺制作了垂直梳齿驱动的MOEMS扫描镜。制作的扫描镜镜面尺寸为3 mm×2 mm,谐振频率为1.32 kHz。测试表明
该扫描镜镜面具有很好的光学表面,其表面粗糙度的均方根只有8.64 nm;扫描镜在驱动电压为95 V时可以实现最大2.4°的扭转角度;测得其开启时的响应时间为1.887 ms,关断时的响应时间为4.418 ms。
A Micro-opto Electro-mechanical System(MOEMS) scanning mirror with a large size
large torsional angles and a low driving voltage actuated by a vertical comb driver was proposed. The working principle of the vertical comb driver was analyzed and its fabrication process was discussed. By using a bulk micromaching process technology combined with a silicon-silicon bonding process
a vertical comb driver actuated MOEMS scanning mirror was fabricated. The fabricated scanning mirror has a size of 3 mm×2 mm
and a resonant frequency of 1.32 kHz. The test results show that the mirror has a high quality optical surface and the RMS of surface roughness is only 8.64 nm.When the driving voltage is set to be 95 V
the maximum rotation angle of the mirror is 2.4°.Furthermore
the tested turn-on responding time and turn-off responding time for the mirror are 1.887 ms and 4.418 ms
respectively.
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