Multispectral light source based on prism structure

A technology of multi-spectral light source and prism, applied in the field of multi-spectral light source system, can solve the problem of unsuitable color combination prism of projector, etc.

Pending Publication Date: 2019-01-04
合肥中科易康达生物医学有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In DNA detection, commonly used fluorescent dyes include FAM, HEX, TAMRA, ROX, CY5, etc. Some fluorescent dyes can use three primary colors of light as excitation

Method used

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  • Multispectral light source based on prism structure

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] exist figure 1 Among them, the entire color combining prism is made of 8 right-angle prisms glued together, and the inside is coated with 4 layers of film. The light source 1 is incident from the lower left, and after entering the color combining prism, it can pass through the coating 2 7, be reflected by the coating 1 6, and exit from the bottom. One 6; light source two 2 is incident from the bottom right, after entering the color combining prism, it can pass through the coating one 6, be reflected by the coating two 7, and emerge from the bottom, the left side of the bottom right-angle prism and the upper side of the bottom right right-angle prism Coated with coating 2 7; light source 3 3 is incident from the upper left, and after entering the color-combining prism, it can pass through coating 4 9, be reflected by coating 3 ...

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PUM

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Abstract

The present invention discloses a multispectral light source based on a prism structure. The multispectral light source comprises: a LED or a laser, wherein LEDs or lasers with different wavelengths can be selected according to actual conditions; a color combination prism formed by gluing a plurality of rectangular prisms, wherein the surfaces of the rectangular prisms are plated with special films to allow light with certain wavelengths to penetrate, allow light with some lengths to be reflected and allow light with certain wavelengths to be uniformly emitted in one direction; a coupling lensconfigured to couple light emitted in one direction into an optical fiber probe so as to improve the utilization of the light; and the optical fiber probe configured to collect light and conduct thelight. The multispectral light source based on the prism structure employs the prism structure to perform special film plating process and allow light with different wavelengths to be coaxial and conjugated, to be emitted in one direction and to be collected. The light with different wavelengths can be individually controlled to switch. The light source of the prism structure is compact, small involume and high in luminous power.

Description

technical field [0001] The invention relates to the field of excitation light source design, in particular to a multi-spectrum light source system. More specifically, the present invention provides a light source system with high optical density, compact structure and glued polygon mirrors. Background technique [0002] At present, the traditional multi-spectral light source uses white LED as the light source, and then uses the rotating wheel loaded with optical filters. Filters of different wavelengths are installed on the rotating wheel. Which wavelength is required, the color wheel rotates to the specified position, then Light of the desired wavelength can be obtained. However, in this structure, each wavelength of light actually uses only a small part of white light, and the light of unnecessary wavelengths is shielded by the filter, and the light utilization rate is not high. [0003] The color combining prism is an optical element commonly used in projectors. Its fun...

Claims

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Application Information

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IPC IPC(8): G02B27/10G02B27/14F21V7/04
CPCF21V7/04G02B27/1006G02B27/1013G02B27/102G02B27/14
Inventor 朱灵朱守明杨柯周喃汪磊朱灿灿赵俊王全福王贻坤刘勇
Owner 合肥中科易康达生物医学有限公司
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