Absorption of a femtosecond laser pulse by metals and the possibility of determining effective electron—electron collision frequencies

Absorption of a femtosecond laser pulse by metals and the possibility of determining effective electron—electron collision frequencies

A method is proposed for describing absorption of an electron-heating femtosecond laser pulse that interacts with a metal under conditions of high-frequency skin effect. It is shown that the effective frequencies of electron-electron collisions accompanied by umklapp processes can be determined by m...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2006-10, Vol.36 (10), p.928-932
Hauptverfasser: Isakov, Vladimir A, Kanavin, Andrey P, Uryupin, Sergey A
Format: Artikel
Sprache:eng
Schlagworte:
ABSORPTION
ATOMIC AND MOLECULAR PHYSICS
BASIC INTERACTIONS
COLLISIONS
ELECTROMAGNETIC INTERACTIONS
ELECTROMAGNETIC RADIATION
ELECTRON COLLISIONS
ELECTRON-ELECTRON COLLISIONS
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
FERMIONS
INTERACTIONS
LASER RADIATION
LEPTONS
METALS
PULSES
RADIATIONS
REFLECTION
SKIN EFFECT
SORPTION
UMKLAPP PROCESSES
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Beschreibung
Zusammenfassung:A method is proposed for describing absorption of an electron-heating femtosecond laser pulse that interacts with a metal under conditions of high-frequency skin effect. It is shown that the effective frequencies of electron-electron collisions accompanied by umklapp processes can be determined by measuring the absorption or reflection coefficients of a femtosecond pulse. (interaction of laser radiation with matter)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2006v036n10ABEH013255