Adaptive Beaming and Imaging in the Turbulent Atmosphere by Vladimir P. Lukin, Boris V. Fortes

By Vladimir P. Lukin, Boris V. Fortes

As a result of the huge software of adaptive optical structures, an knowing of optical wave propagation in randomly inhomogeneous media has develop into crucial, and a number of other numerical versions of person AOS elements and of effective correction algorithms were built. This monograph comprises distinctive descriptions of the mathematical experiments that have been designed and conducted in the course of greater than a decade's worthy of research.

Contents

- Preface to the English variation

- creation

- Mathematical Simulation of Laser Beam Propagation within the surroundings

- Modeling an Adaptive Optics process

- Adaptive Imaging

- Minimization and section Correction of Thermal Blooming of High-Power Beams

- A Reference Beacon as a Key portion of an Adaptive Optics approach

- end

- Index

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Extra resources for Adaptive Beaming and Imaging in the Turbulent Atmosphere (SPIE Press Monograph Vol. PM109)

Example text

V. Bykov, Numerical Simulation in Statistical Radiotechnics, Sov. Radio, Moscow, 1971. Mathematical Simulation of Laser Beam Propagation in the Atmosphere 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. A. D. Duncan, “Simulation atmospherically degraded beams. II. Polynomial approach,” J. Opt. Soc. 1218, 1975. A. D. Duncan, “Simulation of atmospherically degraded beams. I. Extended Fourier approach,” J. Opt. Soc. 10, 1975. E. S. Chesnokov, “Model presentation of atmospheric distortions for numerical analysis of statistical characteristics of optical beams,” Atm.

1)]. So, the problem is reduced to obtaining an ensemble of random Zernike coefficients. 5) al  S (r ) Zl (r )d 2 r , 2 R r  R  are also Gaussian with a zero mean. To determine these coefficients, we have only to calculate the elements of the correlation matrix Ckl  ak al  1  R d r   d   2 2 2 r  R 2     r  Z k  r   Z k  r   S  r   S  r   . 8) rR we obtain the following equation for elements of the correlation matrix Ck l:     Ckl     Q k            Ql    d 2 H    d 2 H     .

Flatte, “Simulation of point-source scintillation through three-dimensional random media,” J. Opt. Soc. Am. A 7, pp. 838–847, 1990. A. P. S. A. Shlenov, “Adaptive focusing of intensive light beams propagating in non-regular media,” Fizika, 228, pp. 30–41, 1985. P. A. Konyaev, “Thermal distortions of focused laser beams in the atmosphere,” Appl. , 24, pp. 415–421, 1985. P. V. Fortes, “Phase distortions of an optical beam due to its self-action under conditions of gravitational convection,” Atm. , 3, pp.

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