New PDF release: Adaptive Beaming and Imaging in the Turbulent Atmosphere

By Vladimir P. Lukin, Boris V. Fortes

ISBN-10: 0819443379

ISBN-13: 9780819443373

End result of the broad program of adaptive optical platforms, an realizing of optical wave propagation in randomly inhomogeneous media has develop into crucial, and a number of other numerical types of person AOS elements and of effective correction algorithms were built. This monograph comprises distinct descriptions of the mathematical experiments that have been designed and performed in the course of greater than a decade's worthy of research.

Contents

- Preface to the English variation

- advent

- 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 part of an Adaptive Optics approach

- end

- Index

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Extra resources for Adaptive Beaming and Imaging in the Turbulent Atmosphere

Sample text

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. 1294–1297, 1991. V. P. Lukin, “Modeling of an image observed through a turbulent atmosphere,” Proc. SPIE Vol. 1688, pp. 477–488, 1992. J. Rickling, Modern Optics, 1995. W. A. Vorontsov, “Adaptive aberration correction based on opto-electronic Zernike wavefront sensor and the decoupled stochastic parallel gradient descent control technique,” Proc.

18). 4 Modification of the Numerical Model for Partially Coherent Beams In the preceding sections we considered propagation of coherent beams. However, the radiation divergence for real laser sources is always greater than the diffraction limit. This is due to the processes that develop in the active medium of a laser, deformations of a laser cavity, the multimode structure of laser radiation, and so on. Formally speaking, under the boundary conditions of the wave equation, we should allow for phase and amplitude fluctuations within the emitting aperture.

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. Opt. Soc. Am. A, 6, pp. 1595–1608, 1989. 45. N. Roddier, “Atmospheric wavefront simulation using Zernike polynomials,” Opt.

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


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