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A large-depth oct scanning device and method for near-transparent minerals

A scanning device and mineral technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of complex structure, limited detection depth, unsuitable for the measurement of large-volume measured objects, etc., to improve detection sensitivity, small scanning Error, the effect of precise positioning judgment

Active Publication Date: 2019-02-26
佛山市灵觉科技有限公司
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Problems solved by technology

However, its detection depth is very limited, only a few millimeters, and its structure is complex, so it is not suitable for the measurement of large-volume objects

Method used

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  • A large-depth oct scanning device and method for near-transparent minerals
  • A large-depth oct scanning device and method for near-transparent minerals
  • A large-depth oct scanning device and method for near-transparent minerals

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Embodiment Construction

[0039] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0040] A method for large-depth OCT scanning of near transparent minerals, its implementation is as follows: see figure 1 , the system consists of: weak coherent light source part, laser light path part, sample arm light path part, reference arm light path part, system calibration unit, system optical signal receiving unit, and signal processing unit.

[0041] The weakly coherent light source part includes a first weakly coherent light source 1 , a second weakly coherent light source 35 , a first output optical fiber 2 , a second output optical fiber 30 and a first polarization controller 3 . A polarization controller can adjust the polarization state of the output ...

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Abstract

The invention discloses a great-depth OCT (optical coherence tomograph) scanning device for nearly transparent minerals. The great-depth OCT scanning device comprises a weak coherent light source part, a laser light path part, a sample arm light path part, a reference arm light path part, a system calibration unit, a system light signal receiving unit and a signal processing unit, wherein the weak coherent light source part comprises weak coherent light sources and a polarization controller, and required polarization radiation light can be output by adjusting the polarization controller. The device does not damage the nearly transparent minerals, has no special requirement for the environment and performs non-destructive detection on the nearly transparent minerals. The device adopts a unique laser light path system, combines the characteristic of long travel of an electric linear translation unit, performs great-depth longitudinal optical path scanning on the insides of the nearly transparent minerals, can know conditions of the insides of the nearly transparent minerals more accurately and comprehensively and adopts the unique system calibration unit and a great-depth optical path scanning device, the system detection accuracy error can reach the micron scale, the accuracy is high, and the detection range is large.

Description

technical field [0001] The invention relates to the technical field of near-transparent mineral detection, in particular to a large-depth OCT scanning device and method for near-transparent minerals. Background technique [0002] The extraction or processing of near-transparent minerals requires the assistance of different types of detection instruments. Before minerals are processed, they are checked for quality. [0003] Due to the flaws (such as cracks and impurities) in the near-transparent mineral itself, if the flaws are not detected before processing, the final processed product may not be of high quality or even become a defective product due to the flaws. The utilization rate of raw materials is not high, causing great losses. [0004] For high-precision modern processing, high-precision detection device equipment is very critical. [0005] The traditional measurement method uses ultrasonic echo technology, which sends out ultrasonic waves through an ultrasonic g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/958G01N21/01
CPCG01N21/01G01N21/958
Inventor 曾亚光韩定安叶欣荣
Owner 佛山市灵觉科技有限公司
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