Reconstruction of the wave front and measurement of the speed of cross-wind transport of turbulent distortions of optical radiation by not fully defined Shack-Hartmann pattern

2018 ◽  
Author(s):  
Vitaly V. Lavrinov ◽  
Lidia N. Lavrinova
Keyword(s):  
Wave Front ◽  
Optical Radiation ◽  
Turbulent Distortions

scholarly journals Reconstruction of wavefront distorted by atmospheric turbulence using a Shack-Hartman sensor

2019 ◽  
Vol 43 (4) ◽  
pp. 586-595 ◽  
Author(s):  
V.V. Lavrinov ◽  
L.N. Lavrinova
Keyword(s):  
Wave Function ◽  
Atmospheric Turbulence ◽  
Adaptive Optics ◽  
Numerical Experiments ◽  
Optical Radiation ◽  
Light Field ◽  
Random Phase ◽  
Zernike Polynomials ◽  
Turbulent Distortions ◽  
Phase Distortions

The reconstruction of a wave front containing random phase distortions of the light field is considered. The reconstruction is performed by a Hartmann method based on the approximation of the wave function by Zernike polynomials using estimates of local slopes. The slope values depend on the algorithms by which they are determined. The number of slopes is proportional to the number of focal spots recorded in the plane of the receiving device, which varies depending not only on the raster dimension, but also on the parameters of turbulence, design features of the receiving devices, as well as being restricted by the orthogonality of Zernike polynomials. Results of numerical experiments are given, which will be taken into account when creating adaptive optics systems for correcting strong turbulent distortions of the optical radiation.

Wave-front evaluation of the Ni-like Ag laser

2001 ◽  
Vol 11 (PR2) ◽  
pp. Pr2-155-Pr2-158 ◽  
Author(s):  
K. Murai ◽  
S. Sebban ◽  
H. J. Tang ◽  
Y. Yoshizumi ◽  
H. Daido ◽  
...  
Keyword(s):  
Wave Front

Wave-front inversion in induced light scattering

1978 ◽  
Vol 126 (12) ◽  
pp. 683-686
Author(s):  
Boris Ya. Zel'dovich ◽  
V.V. Ragul'skii
Keyword(s):  
Light Scattering ◽  
Wave Front
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