Resonance imager of light-exciting color surface piasma

A technology of surface plasmon and resonance imaging, which is applied in the measurement of color/spectral characteristics and phase influence characteristics, etc., can solve problems such as no patent reports, and achieve the effects of accurate and easy-to-understand experimental results, simple use, and wide field
CN101074928AInactive Publication Date: 2007-11-21INST OF CHEM CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF CHEM CHINESE ACAD OF SCI
Publication Date
2007-11-21
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

A resonant image of using color light to excite surface plasma type consists of light source, modulation unit of incoming light angle, sample analysis unit, temperature control unit, detection unit, data collection and management unit. It is featured as applying composite-color light as excitation light source, using total reflection media-coupling to excite surface plasma of sensing film and to resonate with excited surface plasma for generating color image correlating to property of test sample.
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Description

technical field

[0001] The invention relates to surface plasmon resonance and color imaging principles, and belongs to surface dynamic monitoring and two-dimensional lattice chip imaging technology, in particular to a light-excited color surface plasmon resonance imager. technical background

[0002] Surface Plasmon Resonance (SPR) is a physical optical phenomenon. When a beam of plane p-polarized light passes through a high-refractive-index glass medium and enters the interface between a metal film and a low-refractive-index medium that is tightly connected to it, under the condition of a certain incident angle or wavelength, the surface plasmon and The frequency and wavenumber of the incident light evanescent wave are the same, the two will resonate, the incident light is absorbed, the reflected light energy drops sharply, and the reflected light intensity reaches the minimum value. The incident angle and incident wavelength at this time are respectively called a resonanc...

Claims

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