Method for Measuring Multiphoton Absorption Cross Sections of Laser Pulses in Gases by Means of a Spectrophone

Method for Measuring Multiphoton Absorption Cross Sections of Laser Pulses in Gases by Means of a Spectrophone

A method for measuring multiphoton absorption cross sections of Gaussian laser pulses in gases by means of an optoacoustic detector exhibiting temporal resolution (spectrophone) is developed. The functionality of the technique is tested using one- and three-photon absorption of nanosecond pulses of...

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Veröffentlicht in:Optics and spectroscopy 2021-10, Vol.129 (10), p.1125-1129
Hauptverfasser: Kuryak, A. N., Tikhomirov, B. A.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption cross sections
Lasers
Measurement methods
Monochromatic radiation
Multiphoton absorption
Nanosecond pulses
Optical Devices
Optics
Oxygen
Photonics
Physics
Physics and Astronomy
Temporal resolution
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Zusammenfassung:A method for measuring multiphoton absorption cross sections of Gaussian laser pulses in gases by means of an optoacoustic detector exhibiting temporal resolution (spectrophone) is developed. The functionality of the technique is tested using one- and three-photon absorption of nanosecond pulses of quasi-monochromatic radiation with a wavelength of 266 nm by molecular oxygen.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X21080117