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    • 10. 发明公开
    • 광섬유 산소 감지 장치
    • 用于氧气传感的光纤设备
    • KR1020130119767A
    • 2013-11-01
    • KR1020120042821
    • 2012-04-24
    • 한국과학기술연구원
    • 송용원임정아홍재민강남수최희덕
    • G01N21/45G01B9/02
    • G01N21/412G01N21/77G01N2021/7776G01N2021/7779
    • The present specification relates to an optical fiber oxygen sensing device which includes a header unit forming interferential waves based on a principle of an optical fiber fabry-perot interferometer to lights emitted by a light source; and an optical spectrum analyzer which determines the existence of oxygen base on the existence of a change in a spectrum cycle of the interference waves. The header unit includes a sensing material of which a variable refraction rate is changed by being joined with oxygen. The spectrum cycle of the interferential waves is changed according to the variable refraction rate of the sensing material. The oxygen sensing device includes an optical fiber providing a moving passage or an optical waveguide of lights emitted by the light source by suing the total reflection of the lights, a polymer which function as two films of the optical fabry-perot interferometer by being spread on a tip end of the optical fiber or the optical wave guide; the sensing material which forms the interferential waves based on the principle of the optical fiber fabry-perot interferometer in respect to the lights emitted by the light source and incident via the optical fiber. The variable refractive rate of the sensing material is changed, and the spectrum cycle of the interferential waves are changed by the change in the variable refraction rate of the sensing material.
    • 本说明书涉及一种光纤氧气感测装置,其包括:基于光纤卫星干涉仪原理的光束对由光源发射的光形成干涉波的头部单元; 以及光谱分析仪,其根据干涉波的频谱周期的变化确定氧基的存在。 头部单元包括通过与氧接合而改变可变折射率的感测材料。 干扰波的频谱周期根据感测材料的可变折射率而改变。 氧传感装置包括光纤,其通过引起光的全反射而提供由光源发射的光的移动通道或光波导,通过扩散在光学玻璃 - 紫外线干涉仪上作为两个膜的聚合物 光纤的尖端或光波导; 感测材料,其基于光纤法布里罗干涉仪的原理相对于由光源发射的光并通过光纤入射而形成干涉波。 改变感测材料的可变折射率,并且通过感测材料的可变折射率的变化来改变干涉波的频谱周期。