SURFACE PLASMON SENSOR AND REFRACTIVE INDEX MEASUREMENT METHOD
|Posted date||May 14, 2013|
|International application number||2012JP051707|
|International publication number||WO 2012/102350|
|Date of international filing||Jan 26, 2012|
|Date of international publication||Aug 2, 2012|
|Title||SURFACE PLASMON SENSOR AND REFRACTIVE INDEX MEASUREMENT METHOD|
The purpose of the present invention is to measure a refractive index with high accuracy and readily in a surface plasmon sensor for refractive index measurement purposes, without relying on the use of an absorption curve. The surface plasmon sensor is characterized by comprising a reflection board which comprises a metal layer having a periodic structure and has a sample placed thereon, a light source which can emit incident light to the reflection board, a light-receiving unit which can receive reflected light that is reflected on the reflection board, and a measurement unit which can measure a reflective index of the sample on the basis of information on the phases of two different waves that have different polarized directions and are contained in the reflected light from the surface of the periodic structure.
|IPC(International Patent Classification)|
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