| 红外波段液晶电调谐滤波器 |
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| 引用本文： | 张兆祥,潘南生.红外波段液晶电调谐滤波器[J].红外与毫米波学报,1996,15(6):423-427. |
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| 作者姓名： | 张兆祥 潘南生 |
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| 作者单位： | 北京大学电子学系 |
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| 摘 要： | 将液晶作为内腔物质的电调谐滤波器，测量了在红外波段不同条件下的透射特性，给出了大约１００ｎｍ的可调谐范围和约４０ｎｍ的自由光谱区，通过对透射谱的测定和计算得到了液晶折射率随驱动电压的变化曲线。
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| 关 键 词： | 液晶 电调谐 滤波器 红外波段 透射特性 |
ELECTRICALLY TUNABLE LIQUID CRYSTAL FILTER FOR INFRARED WAVE BAND |
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| Zhang Zhaoxiang Pan Nansheng,Xi Zhonghe Shi Ziguang.ELECTRICALLY TUNABLE LIQUID CRYSTAL FILTER FOR INFRARED WAVE BAND[J].Journal of Infrared and Millimeter Waves,1996,15(6):423-427. |
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| Authors: | Zhang Zhaoxiang Pan Nansheng Xi Zhonghe Shi Ziguang |
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| Abstract: | Electrically tunable filters using liquid crystal as the cavity material were described. The transmission characteristic in the infrared wave band was measured under different conditions. It was shown that the tunable range is about 100nm, and the free spectral range is about 40nm. Through measurement and calculation of the transmission spectrum the refractive index of liquid crystal as a function of driving voltage was obtained |
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| Keywords: | liquid crystal electrically tunable filter infrared wavelength transmission characteristic |
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