High-dynamic-range precise scattering feature measuring system

A technology with high dynamic range and scattering characteristics, applied in the measurement of scattering characteristics, etc., can solve the problems of not finding the reflection distribution characteristics of the target material, not realizing the mechanical accuracy of the geometric size goniometer, etc., achieving high dynamic range and high measurement sensitivity , Improve the effect of measurement accuracy

Inactive Publication Date: 2018-09-14
黄智强
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  • Abstract
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  • Claims
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Problems solved by technology

[0002] Before the 1970s, scholars from various countries have not found a method to effectively study the distribution characteristics of various target materials in space light reflection
This is the most accurate BRDF measurement d

Method used

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  • High-dynamic-range precise scattering feature measuring system
  • High-dynamic-range precise scattering feature measuring system
  • High-dynamic-range precise scattering feature measuring system

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[0029] In order to better illustrate the purpose and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings.

[0030] figure 1 It is a schematic diagram of a high dynamic range precision scattering characteristic measurement system. The measurement system mainly includes a light source module 1, a signal modulation module 2, an energy attenuation module 3, a collimated beam expander module 4, a polarization module 5, a condenser lens group 6, a pinhole 7, Focusing lens group 8, sample to be tested 9, variable diaphragm 10, coupling lens group 11, field diaphragm 12, photodetector 13, extinction trap 14, data processing system 15, signal demodulation module 16, extinction darkroom 17 , Light source angle scanning mechanism 18, sample adjustment mechanism 19, detector angle scanning mechanism 20. The light wave emitted by the light source module 1 is processed by the signal modulation module 2 and the...

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Abstract

The invention provides a high-dynamic-range precise scattering feature measuring system. The distribution and the size of the surface scattering features of a sample to be tested can be precisely obtained. The detection system mainly comprises a light source module, a signal modulation module, an energy attenuation module, a collimation and beam expanding module, a polarization module, a gatheringlens group, a needle hole, a focusing lens group, a sample to be tested, a variable diaphragm, a coupling lens group, a view field diaphragm, a photoelectric detector, a light extinction trap, a dataprocessing system, a signal demodulation module, a light extinction dark chamber, a light source angle scanning mechanism, a sample regulation mechanism and a detector angle scanning mechanism. The scattering feature measuring system has the advantages of high dynamic range, high precision, wide wavelength range, polarization modulation capability and the like.

Description

technical field [0001] The invention belongs to the technical field of high-precision measurement, and in particular relates to a high dynamic range precision scattering characteristic measurement system, which can accurately measure the scattering characteristic. Background technique [0002] Before the 1970s, scholars from various countries have not found a method to effectively study the distribution characteristics of light reflection distribution of various target materials in space. Until 1970, Nicodemus of the United States officially introduced the concept of bidirectional reflection distribution function (BRDF) into the study of target scattering characteristics, which organically unified the reflection and scattering characteristics of the material surface into the same concept. In foreign countries, research on target scattering characteristics is always carried out in a confidential state, and the research in the United States is at the highest level in the world...

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Application Information

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IPC IPC(8): G01N21/47
CPCG01N21/47
Inventor 黄智强范真节谢伟民
Owner 黄智强
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