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

By Vladimir P. Lukin, Boris V. Fortes

ISBN-10: 0819443379

ISBN-13: 9780819443373

Because of the extensive software of adaptive optical platforms, an knowing 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 constructed. This monograph includes exact 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 method

- Adaptive Imaging

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

Example text

L. V. Pokasov, Coherence of Laser Radiation in the Atmosphere, Nauka, Novosibirsk, 1985. 47. N. Kalitkin, Numerical Methods, Nauka, Moscow, 1978. Mathematical Simulation of Laser Beam Propagation in the Atmosphere 45 48. I. Klyatskin, Statistical Description of Dynamical Systems with Fluctuated Parameters, Nauka, Moscow, 1975. 49. A. P. L. Mironov, “Efficient application of adaptive optical systems in self-action conditions in the atmosphere,” Izv. Akad. Nauk SSR. Ser. , 49, pp. 536–540, 1985. 50.

With allowance made for the intensity cross section ratio being the consequence of Eq. 28) and the results of differentiation of Eq. 29) 42 Chapter 1  2 n2 t  (1  z )  V1  z /(1  z )   n2  1  z  1  z /(1  z )   2 n2  n2 t  V2 ( z )  n2   2  z   2 n2   z /(1  z ) . 32)  2  z   1  z   1  z /(1  z ) . 33) give the profiles of absorption, wind velocity, and thermal conductivity at which the solution of the problem of thermal blooming for a beam with a focal length f2 at every instant can be found in the solution of the initial problem for a beam focused at a distance f1 (by the lens transformation equations).

11) upon integration of Eq. 12) where l corresponds to n and m, but l corresponds to n and m. This equation determines the correlation of the coefficients of polynomials with the same azimuth factors. In other cases the correlation is zero. For dynamic simulation, we also need to know the autocorrelation functions of the expansion coefficients Bl     al  t  al  t    . 15) Bl     Ql    F    exp  i V   d 2  . 16) J n21 ( R)  J ( V )  (1) m l cos(2m) J 2 m ( V )(1  m 0 ) .

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Adaptive Beaming and Imaging in the Turbulent Atmosphere (SPIE Press Monograph Vol. PM109) by Vladimir P. Lukin, Boris V. Fortes


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