PATENT CLAIM ANALYSIS

Application Number: 15992182
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-09
Patent Classification: ["356", "445000"]

Abstract:
The present invention provides a surface plasmon resonance (SPR) detection system and method. This system utilizes a detection light path to form a detection image containing incident angle information and wavelength information. During testing, full-spectrum scan is performed first to obtain a resonance wavelength of a sample. Then, partial-spectrum scanning is performed by continuously tracking the resonance wavelength, and the number of scanning points in each scanning cycle is controlled according to specific situation to shorten the scanning time, thereby obtaining the resonance wavelength of the sample in real time. When the refractive index of the sample changes, the corresponding resonance wavelength changes as well; by obtaining the change of the resonance wavelength, variation of the reflective index of the sample is calculated, which is rapid SPR detection of wavelength modulation.

Claim (Index 1):
An surface plasmon resonance (SPR) detection system, comprising\n a light source ( 17 ) which is used for emitting a broadband light having a continuous spectrum; a first collimation lens group ( 1 , 2 ) which is used for collimating and then focusing the broadband light; a multimode fiber (MF) ( 10 ) whose incidence end is arranged on an output focal plane of the first collimation lens group and which is used for coupling the light focused by the first collimation lens group; a second collimation lens group ( 3 , 4 ) whose input focal plane is provided with an emergent end of the multimode fiber (MF) and which is used for collimating and then focusing the coupled light; a diaphragm (DA) ( 11 ) which is located on the output focal plane of the second collimation lens group and used for performing spatial filtering on the light focused by the second collimation lens group to obtain the focused lights; a lens L 5  ( 5 ) which is arranged confocal to the second collimation lens group and used for collimating the focused light; a liquid crystal tunable optical filter ( 12 ) which is used for filtering the broadband light emitted by the light source to obtain a narrowband light; a polarizing film P 1  ( 8 ) which is used for polarizing the narrowband light to obtain an incident light being in a polarization state; an SPR sensing unit which includes a prism ( 13 ), a gold film ( 18 ) and a flow cell ( 14 ); the prism ( 13 ) coupling the incident light and then exciting surface plasmon resonance of the gold film ( 18 ), and allowing a to-be-detected sample to pass through the surface of the gold film ( 18 ) by the flow cell ( 14 ), thereby performing detection; a lens L 6  ( 6 ) which is used for collecting and collimating the light reflected by the SPR sensing unit; an analyzer P 2  ( 9 ) which is used for eliminating a stray light in the reflected light to improve a signal-to-noise ratio; a lens L 7  ( 7 ) which is used for converging the polarized light; an area array detector ( 15 ) which is disposed on the focal plane of the lens L 7  and used for recording the intensity of the spectrum after converging; a control module ( 16 ) whose an input end is used for receiving the image of the light collected by the area array detector and processing the image, then outputting a feedback control signal for adjusting the scanning spectrum range of the liquid crystal tunable optical filter.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 93.0
- Lexical Diversity: 1.94667
- Patent Class: 356.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['10696738', '10766696', '10425799', '11482501', '11379972']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6592468844938484
- 35 USC 102 Novelty (BERT): 0.4899715291619623
- Combined Prediction Score: 0.6423193489606598
- Mean Citation Score: 193.253766
- Max Citation Score: 208.99422
- Similarity Product: 154.01387651594283

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 0

Dataset: test