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Surface plasma resonance coupling optical element

A technology of surface plasmon and resonance coupling, which is applied in the direction of material analysis, scientific instruments, and measuring devices through optical means, to achieve the effects of convenient replacement of sensing films, simplification of complex angle linkage mechanisms, and simple processing and assembly

Inactive Publication Date: 2010-04-07
INST OF CHEM CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

However, the disadvantage of this structural unit is that it uses a combination of two prisms, which requires high optical processing and assembly precision for both prisms

Method used

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] The present invention comprises rectangular prism 12, and the shape of rectangular prism 12 is straight quadrangular prism (as Figure 4 shown) or has been a quadrangular pyramid (such as Figure 5 shown). Such as Figure 4 As shown, one side of the right-angled prism 12 in the shape of a truncated prism is rectangular and perpendicular to the upper and lower bottom surfaces, and the side opposite to the vertical rectangular side is a slope, which forms a certain angle with the upper and lower bottom surfaces, and the remaining The two sides are right-angled trapezoids parallel to each other, the bottom surface with larger area is the upper bottom surface, and the bottom surface with smaller area is the lower bottom surface. Wherein, the upper bottom surface of the rectangular prism is defined as the first rectangular surface ABCD, the recta...

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Abstract

The invention relates to a surface plasma resonance coupling optical element, which is characterized by comprising a right angle prism. One lateral surface of the right angle prism is rectangular and is vertical to the bottom surface, the lateral surface opposite to the vertical rectangular lateral surface is an inclined surface, the inclined surface and the bottom surface form an angle, and two rest lateral surfaces of the right angle prism are mutually parallel; and the external surface of the rectangular lateral surface is provided with one of a transduction membrane and a reflective coating, and correspondingly, the external surface of the bottom surface vertical to the rectangular lateral surface is provided with one of the reflective coating and the transduction membrane. The surface plasma resonance coupling optical element is simple and easy to process and assemble, and can be widely applied to a surface plasma resonance spectrum system and a surface plasma resonance imaging system for angle scanning in trace high-pass analysis.

Description

technical field [0001] The invention relates to a surface plasmon resonance imaging analyzer, in particular to a surface plasmon resonance coupling optical element. Background technique [0002] Surface Plasmon Resonance Imaging (SPRI) is a surface-sensitive optical detection technology. Surface plasmon resonance imaging technology has the advantages of real-time, high sensitivity, and label-free surface plasmon resonance spectroscopy (Surface Plasmon Resonance, SPR), and at the same time overcomes the shortcomings of a single channel of surface plasmon resonance spectroscopy. Sensing signal changes across the film surface. Combining surface plasmon resonance imaging technology with biochip technology, the surface of the sensing membrane is modified with different probe molecular arrays to achieve high-throughput detection or screening of target objects in the sample to be tested. In recent years, with the in-depth research of various biomolecular omics such as genomics an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/01G01N21/55G02B5/04G01N21/552
Inventor 陈义张轶鸣
Owner INST OF CHEM CHINESE ACAD OF SCI
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