Brightness amplifier excited by longitudinal capacitive discharge for laser monitors

Abstract

The paper presents the results of the research and development the brightness amplifier excited by longitudinal capacitive discharge with a pulse repetition frequency (PRF) up to 24 kHz for using in systems with optical signal amplification. The amplification features of the active element were experimentally studied. The results of the use the designed brightness amplifier in the MOPA system and in the laser monitors (bistatic and monostatic) demonstrate the efficiency of the designed active element for an optical signal amplification. The effect of the vapor concentration in the medium on image brightness amplification characteristics was experimentally estimated. The concentration of the CuBr vapors should be lower to provide the optimal features of laser monitors. The difference between concentration provided maximum output power and optimal active optical system parameters reaches 25%–30%. The contrast of the images in the monostatic and bistatic laser monitors higher 90%.

Original language	English
Article number	126475
Journal	Optics Communications
Volume	480
DOIs	https://doi.org/10.1016/j.optcom.2020.126475
Publication status	Published - 1 Feb 2021
Externally published	Yes

Keywords

Electric discharge pumping
Gas laser
Imaging
Laser amplifiers
Laser applications

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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10.1016/j.optcom.2020.126475

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@article{c06b11badc2c42a4b777475c99da325a,

title = "Brightness amplifier excited by longitudinal capacitive discharge for laser monitors",

abstract = "The paper presents the results of the research and development the brightness amplifier excited by longitudinal capacitive discharge with a pulse repetition frequency (PRF) up to 24 kHz for using in systems with optical signal amplification. The amplification features of the active element were experimentally studied. The results of the use the designed brightness amplifier in the MOPA system and in the laser monitors (bistatic and monostatic) demonstrate the efficiency of the designed active element for an optical signal amplification. The effect of the vapor concentration in the medium on image brightness amplification characteristics was experimentally estimated. The concentration of the CuBr vapors should be lower to provide the optimal features of laser monitors. The difference between concentration provided maximum output power and optimal active optical system parameters reaches 25%–30%. The contrast of the images in the monostatic and bistatic laser monitors higher 90%.",

keywords = "Electric discharge pumping, Gas laser, Imaging, Laser amplifiers, Laser applications",

author = "Trigub, {Maxim V.} and Shiyanov, {Dmitriy V.} and Vasnev, {Nikolai A.} and Gembukh, {Pavel I.}",

note = "Funding Information: The setup allows imaging in the difference scheme of laser monitors. In the absence of amplification (the amplifier (2) is switched off), the laser illumination mode is implemented. In the absence of external illumination (the illumination source (1) is switched off), the imaging is performed in the monostatic laser monitor mode. The simultaneous use of illumination and the amplifier is supported by the bistatic laser monitor mode [31,32] . Funding Information: The study was supported by Russian Science Foundation , project no. 19-79-10096 . Publisher Copyright: {\textcopyright} 2020 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

year = "2021",

month = feb,

day = "1",

doi = "10.1016/j.optcom.2020.126475",

language = "English",

volume = "480",

journal = "Optics Communications",

issn = "0030-4018",

publisher = "Elsevier",

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AU - Trigub, Maxim V.

AU - Shiyanov, Dmitriy V.

AU - Vasnev, Nikolai A.

AU - Gembukh, Pavel I.

N1 - Funding Information: The setup allows imaging in the difference scheme of laser monitors. In the absence of amplification (the amplifier (2) is switched off), the laser illumination mode is implemented. In the absence of external illumination (the illumination source (1) is switched off), the imaging is performed in the monostatic laser monitor mode. The simultaneous use of illumination and the amplifier is supported by the bistatic laser monitor mode [31,32] . Funding Information: The study was supported by Russian Science Foundation , project no. 19-79-10096 . Publisher Copyright: © 2020 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2021/2/1

Y1 - 2021/2/1

N2 - The paper presents the results of the research and development the brightness amplifier excited by longitudinal capacitive discharge with a pulse repetition frequency (PRF) up to 24 kHz for using in systems with optical signal amplification. The amplification features of the active element were experimentally studied. The results of the use the designed brightness amplifier in the MOPA system and in the laser monitors (bistatic and monostatic) demonstrate the efficiency of the designed active element for an optical signal amplification. The effect of the vapor concentration in the medium on image brightness amplification characteristics was experimentally estimated. The concentration of the CuBr vapors should be lower to provide the optimal features of laser monitors. The difference between concentration provided maximum output power and optimal active optical system parameters reaches 25%–30%. The contrast of the images in the monostatic and bistatic laser monitors higher 90%.

AB - The paper presents the results of the research and development the brightness amplifier excited by longitudinal capacitive discharge with a pulse repetition frequency (PRF) up to 24 kHz for using in systems with optical signal amplification. The amplification features of the active element were experimentally studied. The results of the use the designed brightness amplifier in the MOPA system and in the laser monitors (bistatic and monostatic) demonstrate the efficiency of the designed active element for an optical signal amplification. The effect of the vapor concentration in the medium on image brightness amplification characteristics was experimentally estimated. The concentration of the CuBr vapors should be lower to provide the optimal features of laser monitors. The difference between concentration provided maximum output power and optimal active optical system parameters reaches 25%–30%. The contrast of the images in the monostatic and bistatic laser monitors higher 90%.

KW - Electric discharge pumping

KW - Gas laser

KW - Imaging

KW - Laser amplifiers

KW - Laser applications

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