可授權專利


應用電光調變相位檢測之表面電漿共振感測技術 


專利名稱 相位檢測之電光調變表面電漿共振以檢測帶測物之發法及其裝置
專利國家
   專利證書號
美國 US 7,728,979 B2
專利權人 國立台北科技大學
發明人 王子建、謝志威
應用領域
需求項目









技術摘要


A method and a device for detecting object properties using electro-optically modulated surface plasmon resonance (SPR) based on phase detection is disclosed. In the case of a surface plasmon resonance sensing device according to the present invention, the voltage is applied on the sensing device made of an electro-optic material to modulate the surface plasmon resonance condition by varying the wavevector of the incident lightwave. The relation between the phase of output optical wave and the applied voltage is measured, and the solution concentration or the material property is obtained by using the slope of a regression straight line of this relations. The invention can be used in the experimental arrangements of the attenuated-total-reflection (ATR) structure and the optical waveguide structure, and has advantages of high sensitivity, high stability, small bulk, low equipment cost, etc.


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