Multifunctional photoexcited surface plasma resonant imager

A surface plasmon and resonance imaging technology, applied in the field of detection, can solve the problems of inability to realize the correlation between SPR spectrum and imaging or function conversion, complex production process, small scalability, etc., and achieve simple structure, flexible instrument structure, and production The effect of the scheme is simple
CN1629618AInactive Publication Date: 2005-06-22INST 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
2005-06-22
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

This invention multifunction imager is made based on the surface plasma resonance phenomenon composed of p-polarized parallel light sources, a light incident angle modulation system, a sample transport and analysis system, a reflection light cut-away and modulation system, a detector, and a data register and process system. Said device utilizes the dispersion of P-polarized light and a prism to activate the resonance of sensing film surface plasma to test resonance signals. The resonance image signal or wave length scan resonance signal can be tested by conversion of light sources, the chip research result can be reached by micro-lattice process to sense film to realize spectrum conversion of image and resonance wavelength.
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Description

technical field

[0001] The invention relates to the technical field of detection, in particular to a light-excited surface plasmon resonance instrument system. Specifically, it converts the light-excited surface plasmon resonance signal into an intuitive image, and can also be converted into a resonance wavelength detection system. Background technique

[0002] Surface Plasmon Resonance (SPR) is based on the resonance caused by the excitation of surface plasmons by P-polarized light. When P-polarized light propagates in a high-refractive medium such as glass and projects on a thin layer of free electrons such as silver or gold film at its interface, resonance can be formed at a certain angle or wavelength, resulting in reflection attenuation, that is, at a certain angle (resonance Angle) or wavelength (resonance wavelength) measured reflected light intensity minimum, forming an inverted peak. The resonance angle or resonance wavelength is very sensitive to the change of th...

Claims

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