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Kvantovaya Elektronika, 1990, Volume 17, Number 12, Pages 1625–1631 (Mi qe7678)  

Crystals and mirrors laser systems, other questions of quantum electronics

Active interferometric method for construction of images of small objects observed across a turbulent atmosphere

A. L. Vol'pov, Yu. A. Zimin, V. N. Lopatkin
Abstract: A theoretical analysis is made of the method of synthesis of a complex Fourier spectrum of a distant small object observed across a turbulent atmosphere. The spectrum is synthesized by active interferometry involving illumination of the object by two collimated coherent light beams with two multiple wavelengths when transverse dimensions exceed the correlation radius of phase distortions in the turbulent atmosphere. It is shown that the modulus and the phase of the Fourier spectrum can be determined separately by averaging different characteristics of the recorded integrated intensity of the reflected radiation and by altering the spatial separation of the two collimated beams. An algorithm for practical realization of active interferometry is proposed for two variants of operation of the illumination source.
Received: 24.04.1989
Revised: 06.02.1990
English version:
Soviet Journal of Quantum Electronics, 1990, Volume 20, Issue 12, Pages 1517–1522
DOI: https://doi.org/10.1070/QE1990v020n12ABEH007678
Bibliographic databases:
Document Type: Article
UDC: 535.317.1
PACS: 42.68.Bz, 07.60.Ly, 93.85.-q, 42.30.-d, 42.60.Jf
Language: Russian


Citation: A. L. Vol'pov, Yu. A. Zimin, V. N. Lopatkin, “Active interferometric method for construction of images of small objects observed across a turbulent atmosphere”, Kvantovaya Elektronika, 17:12 (1990), 1625–1631 [Sov J Quantum Electron, 20:12 (1990), 1517–1522]
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