Surface plasma resonance sensing device excited by column vector light beams
A technology of surface plasmon and beam excitation, applied in the field of optics, can solve the problems of inefficient detection of electricity and wavelength, ineffective protection, inability to filter and repair light, etc., to achieve simple structure, increase light intensity, and high-efficiency detection The effect of power and wavelength
Inactive Publication Date: 2019-07-23
SHANDONG NORMAL UNIV
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Problems solved by technology
[0003] The existing column vector beam excitation surface plasmon resonance sensing device cannot effectively protect the device, the transmittance is low, the light cannot be filtered and repaired, the power and wavelength cannot be detected efficiently, the light intensity is low, the laser detection cannot be sampled, and it is difficult Meet the needs of existing column vector beam excitation surface plasmon resonance sensing devices
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] see Figure 1-3 , the embodiment of the present invention provides a technical solution: a cylindrical vector beam excitation surface plasmon resonance sensing device, including a cylindrical vector beam excitation unit 1, a surface plasmon resonance sensing unit 2, an optical processing unit 3 and a computer data processing unit Unit 4, the cylindrical vector beam excitation unit 1 is connected to the surface plasmon resonance sensing unit 2, the surfa...
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Abstract
The invention discloses a surface plasma resonance sensing device excited by column vector light beams, which comprises a column vector light beam excitation unit, a surface plasma resonance sensing unit, a light processing unit and a computer data processing unit, wherein the column vector light beam excitation unit is connected to the surface plasma resonance sensing unit; the surface plasma resonance sensing unit is connected to a triangular prism; the triangular prism is connected to the light processing unit; the light processing unit is connected to the computer data processing unit; andthe column vector light beam excitation unit internally comprises a laser source, a light beam shaper, a polarization conversion component and a spatial light modulator. The column vector light beamexcites the surface plasma resonance sensing device, which plays a protection role effectively, so that the transmissivity is higher, the repair light is filtered, the electric quantity and the wavelength can be efficiently detected, and a light signal is converted into an electronic signal by a photometric sensor, and the surface plasma resonance sensing device excited by column vector light beams achieves efficient sampling laser detection, and has reasonable design.
Description
technical field [0001] The invention relates to the field of optical technology, in particular to a cylindrical vector beam excitation surface plasmon resonance sensing device. Background technique [0002] Surface plasmon resonance technology, abbreviated as SPR in English, is a new technology developed in the 1990s. It uses the SPR principle to detect the interaction between the ligand and the analyte on the biosensing chip, and is widely used in various fields. field. Surface plasmon resonance sensing technology has developed rapidly and has become a very useful detection technology, which is widely used in various fields such as environmental detection, food safety, life medicine, medical diagnosis, biomedicine, security, criminal investigation, and quality inspection. The requirements for detection performance in many fields are getting higher and higher, and surface plasmon resonance sensing devices with high detection performance have become one of the hot spots in t...
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Login to View More IPC IPC(8): G01N21/01G01N21/552
CPCG01N21/01G01N21/554
Inventor 姜守振
Owner SHANDONG NORMAL UNIV