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Optical coherence chromatography system with adjustable working wavelength and wide bandwidth range

A technology of optical coherence tomography and working wavelength, which is applied in the direction of material analysis, spectrum investigation, and material analysis through optical means. It can solve the problems of fixed performance indicators and only applicable optical coherence tomography equipment, and achieve the effect of convenience and adaptability

Inactive Publication Date: 2019-11-19
SHANTOU UNIV
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Problems solved by technology

The current optical coherence tomography equipment is a fixed wavelength and fixed bandwidth system, which makes the optical coherence tomography equipment only suitable for specific applications, and the performance indicators are fixed

Method used

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  • Optical coherence chromatography system with adjustable working wavelength and wide bandwidth range
  • Optical coherence chromatography system with adjustable working wavelength and wide bandwidth range

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Embodiment 1

[0018] Embodiment 1, reference figure 1 and figure 2 , an optical coherence tomography system with a wide range of adjustable working wavelength and bandwidth, comprising: a laser 510, a sample arm 700, a reference arm 600, a spectrum receiving device 800, an optical coupler 520 and a filter, the filter comprising: D-shaped reflector 100, prism pair 200, barrier 300 and first reflector 400, barrier 400 is preferably a plate-shaped barrier, laser 510 emits composite light 110, and said prism pair 200 includes: first triangular prism 210 and the second triangular prism 220, the optical properties of the first triangular prism 210 and the second triangular prism 220 are the same, and the composite light 110 enters the first triangular prism 210 at the Brewster angle, so The light incident surface of the second triangular prism 220 is parallel to the light exit surface of the first triangular prism 210, and the composite light 110 forms the dispersed light 120 after passing thro...

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Abstract

The invention discloses an optical coherence chromatography system with an adjustable working wavelength and a wide bandwidth range; the optical coherence chromatography system comprises a laser, a sample arm, a reference arm, a spectrum receiving device, an optical coupler and a filter, wherein the filter comprises a D-shaped reflector, a prism pair, a shielding object and a first reflector; thelaser emits composite light; the composite light enters the filter to be filtered and then enters the sample arm and the reference arm; and the light reflected by the sample arm and the reference armforms interference fringes in the optical coupler to be transmitted to the spectrum receiving device to complete the coherent chromatography of the sample. According to the optical coherence chromatography system, the wavelength and the bandwidth are adjusted by the aid of the filter, so that the working wavelength and the bandwidth of the whole optical coherence chromatography system can be adjusted, and the optical coherence chromatography system is convenient to adapt to different detection environments. The optical coherence chromatography system is mainly used in the technical field of optical coherence tomography equipment.

Description

technical field [0001] The invention relates to the technical field of optical coherence tomography equipment, in particular to an optical coherence tomography system with adjustable working wavelength and bandwidth in a wide range. Background technique [0002] Optical coherence tomography can obtain the three-dimensional structure information of the sample. The current optical coherence tomography equipment is a system with fixed wavelength and fixed bandwidth, which makes the optical coherence tomography equipment only suitable for specific applications, and the performance index is fixed. Contents of the invention [0003] The purpose of the present invention is to provide an optical coherence tomography system with adjustable working wavelength and bandwidth. [0004] The solution of the present invention to solve its technical problem is: an optical coherence tomography system with a wide range of adjustable working wavelength and bandwidth, including: a laser, a sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25G01J3/45G01J3/14
CPCG01J3/14G01J3/45G01N21/255
Inventor 张磊方强
Owner SHANTOU UNIV
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