Measurement method and device using light pressure or light radiation pressure effect

By using the optical pressure effects suspension settings and measured its acceleration, combined with other parameters, the problem of limited measurement accuracy of the existing light radiation power was solved, and high -precision light radiation power and object quality measurement were achieved.

CN118392301BActive Publication Date: 2025-01-24NATIONAL INSTITUTE OF METROLOGY CHINA
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Patent Information

Application Number
CN202410611467.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-01-24
Estimated Expiration
2044-05-16

AI Technical Summary

Technical Problem

The existing optical radiation power measurement methods are affected by factors such as the performance of the light detector and the characteristics of the light source, resulting in limited measurement accuracy.

Method used

By using the light pressure or light radiation pressure effect, the object is settled by the object, and the light beams with accurate, continuous, and stable power beams are performed vertically. , Determine the quality of the light radiation power or object of the beam.

Benefits of technology

The high -precision measurement of light radiation power and object quality is realized, the flexibility and versatility of the measurement are improved, and the dependence on the performance and light source characteristics of the optical detector and the characteristics of the light source are reduced.

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Abstract

The present invention relates to the field of optics, and provides a measurement method and a measurement device using light pressure or light radiation pressure effect, the method comprising: setting an object to be suspended in a static state; vertically incident a collimated, continuous, and power-stable light beam on the surface of the object; measuring the acceleration of the object under the action of the light beam; determining the light radiation power of the light beam according to the acceleration, mass, transmittance, reflectance, and resistance of the object; or determining the mass of the object according to the light radiation power of the light beam, the acceleration, transmittance, reflectance, and resistance of the object. The method provided by the present invention can measure the light radiation power of a specific light beam or the mass of a specific object according to known parameters, and through reasonable mathematical conversion, can realize bidirectional measurement of the light radiation power of a specific light beam and the mass of a specific object, that is, in the same measurement, both the light radiation power and the mass of the object can be measured, thereby improving the flexibility and versatility of measurement.
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Citation Information

Patent Citations

  • High-power laser power measurement system

    CN112504447A

  • Laser power measuring device and method based on radiation pressure

    CN113566959A