Three-channel polaro-interferometer for laser-produced plasma diagnostics with femtosecond time resolution

We describe an upgraded version of a three-channel polaro-interferometer, which enables laser-produced plasma probing with femtosecond time resolution. Test experiments are performed with the use of a 50-fs probe pulse and an air spark produced by a driving nanosecond laser pulse. High-contrast inte...

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Bibliographic Details
Published inQuantum electronics (Woodbury, N.Y.) Vol. 49; no. 6; pp. 577 - 580
Main Authors Bolkhovitinov, E.A., Gospodinov, G.A., Ivanov, K.A., Rupasov, A.A., Savel'ev, A.B.
Format Journal Article
LanguageEnglish
Published Bristol Kvantovaya Elektronika, Turpion Ltd and IOP Publishing 01.06.2019
IOP Publishing
Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRON DENSITY
Femtosecond pulses
Image contrast
Image reconstruction
INTERFERENCE
interference image
INTERFEROMETERS
LASER-PRODUCED PLASMA
LASERS
oplaro-interferometer
Plasma
PLASMA DENSITY
PLASMA DIAGNOSTICS
PLASMA RADIAL PROFILES
PULSES
TIME RESOLUTION
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Summary:We describe an upgraded version of a three-channel polaro-interferometer, which enables laser-produced plasma probing with femtosecond time resolution. Test experiments are performed with the use of a 50-fs probe pulse and an air spark produced by a driving nanosecond laser pulse. High-contrast interference plasma images are recorded, making it possible to reconstruct the electron density plasma profile with femtosecond time resolution in a wide range of probing pulse delays relative to the driving pulse.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16860