Lagrange Gaussian beam Gouy phase parameter measuring method
A Gaussian beam and Gouyi phase technology, applied in the field of optics, can solve problems such as the inability to achieve high-sensitivity direct measurement of optical Gouyi phase parameters, the high requirements for the positioning of the optical and optical-mechanical structures of the measurement system, and the inability to realize Gouyi phase parameter measurements. , to achieve the effect of simple test method, strong operability and low positioning requirements
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[0025] The present invention will be further described below in conjunction with drawings and embodiments.
[0026] In the prior art, the measurement method of the optical Gouy phase parameter is to obtain the Gooy phase parameter value by detecting two beams of optical coherent signals. Although this method has certain advantages, it has essential deficiencies. The limitations of time coherence and space coherence; the positioning requirements of the optical and optical mechanical structures of the measurement system are high, and the system's anti-interference is not strong; it is impossible to achieve high-sensitivity direct measurement of any optical Gouy phase parameters, and it is impossible to achieve high numerical aperture optical systems Gouy phase parameter measurements in . The purpose of the present invention is to address the deficiencies of the above technologies, to provide a Lagrangian Gaussian beam Gouyi phase parameter measurement method, which has the advan...
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