Amplitude-phase control of a laser beam in a two-mirror adaptive system

Abstract

There are exists several sources of errors in an adaptive optics system. The main source associated with the violation of the optical reciprocity principle in algorithm of phase conjugation, namely, with substitute of beacon amplitude distribution by distribution of a Gaussian beam generated by a laser. Absolute correction of turbulent aberration is possible only in case of strict maintenance of a reciprocity principle, i.e. in case of phase reversal algorithm application. In paper the possibility is considered to realize phase reversal algorithm in a linear system with the use of phase control of the beam. The system should include two mirrors separated by the vacuum gap of a finite size. Comparison of efficiency of correction on the base of phase conjugation and with the use of two mirror adaptive system were obtained.

Original language	English
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Editors	J.D. Gonglewski, K. Stein
Pages	310-318
Number of pages	9
Volume	5572
DOIs	https://doi.org/10.1117/12.565893
Publication status	Published - 2004
Event	Optics in Atmospheric Propagation and Adaptive Systems VII - Maspalomas, Spain Duration: 13 Sep 2004 → 14 Sep 2004

Other

Other	Optics in Atmospheric Propagation and Adaptive Systems VII
Country	Spain
City	Maspalomas
Period	13.9.04 → 14.9.04

Keywords

Adaptive correction
Amplitude-phase correction
Optical beams
Phase conjugation
Phase correction
Turbulence
Two mirrors

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

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title = "Amplitude-phase control of a laser beam in a two-mirror adaptive system",

abstract = "There are exists several sources of errors in an adaptive optics system. The main source associated with the violation of the optical reciprocity principle in algorithm of phase conjugation, namely, with substitute of beacon amplitude distribution by distribution of a Gaussian beam generated by a laser. Absolute correction of turbulent aberration is possible only in case of strict maintenance of a reciprocity principle, i.e. in case of phase reversal algorithm application. In paper the possibility is considered to realize phase reversal algorithm in a linear system with the use of phase control of the beam. The system should include two mirrors separated by the vacuum gap of a finite size. Comparison of efficiency of correction on the base of phase conjugation and with the use of two mirror adaptive system were obtained.",

keywords = "Adaptive correction, Amplitude-phase correction, Optical beams, Phase conjugation, Phase correction, Turbulence, Two mirrors",

author = "Feodor Kanev and Makenova, {Nailya Altykhanovna} and Vladimir Lukin",

year = "2004",

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pages = "310--318",

editor = "J.D. Gonglewski and K. Stein",

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AU - Kanev, Feodor

AU - Makenova, Nailya Altykhanovna

AU - Lukin, Vladimir

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N2 - There are exists several sources of errors in an adaptive optics system. The main source associated with the violation of the optical reciprocity principle in algorithm of phase conjugation, namely, with substitute of beacon amplitude distribution by distribution of a Gaussian beam generated by a laser. Absolute correction of turbulent aberration is possible only in case of strict maintenance of a reciprocity principle, i.e. in case of phase reversal algorithm application. In paper the possibility is considered to realize phase reversal algorithm in a linear system with the use of phase control of the beam. The system should include two mirrors separated by the vacuum gap of a finite size. Comparison of efficiency of correction on the base of phase conjugation and with the use of two mirror adaptive system were obtained.

AB - There are exists several sources of errors in an adaptive optics system. The main source associated with the violation of the optical reciprocity principle in algorithm of phase conjugation, namely, with substitute of beacon amplitude distribution by distribution of a Gaussian beam generated by a laser. Absolute correction of turbulent aberration is possible only in case of strict maintenance of a reciprocity principle, i.e. in case of phase reversal algorithm application. In paper the possibility is considered to realize phase reversal algorithm in a linear system with the use of phase control of the beam. The system should include two mirrors separated by the vacuum gap of a finite size. Comparison of efficiency of correction on the base of phase conjugation and with the use of two mirror adaptive system were obtained.

KW - Adaptive correction

KW - Amplitude-phase correction

KW - Optical beams

KW - Phase conjugation

KW - Phase correction

KW - Turbulence

KW - Two mirrors

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