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 vast software of adaptive optical platforms, an figuring out 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 precise 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 version

- creation

- Mathematical Simulation of Laser Beam Propagation within the surroundings

- Modeling an Adaptive Optics procedure

- Adaptive Imaging

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

- A Reference Beacon as a Key part of an Adaptive Optics process

- end

- Index

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Additional resources for Adaptive Beaming and Imaging in the Turbulent Atmosphere

Sample text

Here we give the rigorous deduction of the equation for this transformation, which allows construction of this transformation as applied to complex cases of interaction of a high-power beam with a medium. This is demonstrated in this section using nonstationary thermal blooming under conditions of forced convection with allowance made for thermal conductivity of the medium. Consider first the case of free diffraction. Propagation of the complex  amplitude U  , z  in the direction of the 0z-axis is described by the homogeneous wave equation: 2ik U   2U .

3, pp. 410–412, 1974. 40. A. R. Morris, “Equivalent thin lens model for thermal blooming compensation,” Appl. , 17, pp. 2575–2579, 1978. 41. M. Born and E. Wolf, Principles of Optics, Pergamon, New York, 1959. 42. J. Noll, “Zernike polynomials and atmospheric turbulence,” J. Opt. Soc. , 66, No. 207–211, 1976. 43. E. Novoseller, “Zernike-ordered adaptive-optics correction of thermal blooming,” J. Opt. Soc. Am. A, 5, pp. 1937–1942, 1988. 44. H. Hu, J. Stone, T. Stanley, “Application of Zernike polynomials to atmospheric propagation problems,” J.

Nauk SSR, 32, pp. 22–24, 1943. 35. P. Lukin, Atmospheric Adaptive Optics, Nauka, Novosibirsk, 1986. 36. M. Yaglom, Statistical Hydrodynamics. Part II, Nauka, Moscow, 1967. 37. I. A. P. Jaroslavski, “Method of generation of correlated Gaussian pseudo-random numbers on a computer,” J. Com. Math. and Math. Physics, 12, pp. 1353–1357, 1972. 38. B. C. Peri, “Production and use of a lenticular Hartmann screen,” J. Opt. Soc. , 6, p. 1586, 1971. 39. A. E. Siegman, “Diffraction calculation using fast Fourier transform methods,” Proc.

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