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Compact liquid-refractive index measuring equipment

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【作者】 叶红安； 王熙； 常存；

【Author】 Hong’an Ye , Xi Wang , and Cun Chang1 Department of Electronic Engineering, Heilongjiang University, Harbin 150080 2Heilongjiang August-First Land Reclamation University, Harbin 158308

【机构】 Department of Electronic Engineering； Heilongiang University； Harbin 150080； Heilongjiang August-First Land Reclamation University； Harbin 158308； Heilongjiang University； Harbin 150080；

【摘要】 <正> Based on total reflection principle, a compact liquid-refractive index measuring equipment was designed and fabricated, in which a diode laser was used as light source and a charge-coupled device (CCD) as photodetector. The influence on measurement accuracy of the wavelength shift and intensity fluctuation of the diode laser were surmounted by an effective feedback method. It is crucial whether the diode laser could be used in such a system.

【Abstract】 Based on total reflection principle, a compact liquid-refractive index measuring equipment was designed and fabricated, in which a diode laser was used as light source and a charge-coupled device (CCD) as photodetector. The influence on measurement accuracy of the wavelength shift and intensity fluctuation of the diode laser were surmounted by an effective feedback method. It is crucial whether the diode laser could be used in such a system.

【关键词】 photodetector； fluctuation； refractive； bright； tensity； adjust； ordinate； utilized； emerge； instrument；
【基金】 This work was supported by the Natural Science Foundation of Heilongjiang Province under Grant No. F01-05.H.
  • 【文献出处】 Chinese Optics Letters ,中国光学快报(英文版) , 编辑部邮箱 ,2003年05期
  • 【分类号】O432.2
  • 【被引频次】1
  • 【下载频次】50
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