Optical pump-and-probe test system for thermal characterization of thin metal and phase-change films

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A single-shot optical pump-and-probe test system is reported. The system is designed for thermal characterization of thin-film samples that can change their phase state under the influence of a short and intense laser pulse on a subnanosecond time scale. In combination with numerical analysis, the system can be used to estimate thermal constants of thin films, such as specific heat and thermal conductivity. In-plane and out-of plane thermal conductivity can be estimated independently. The system is intended for use in research on optical data storage and material processing with pulsed laser light. The system design issues are discussed. As application examples, we report on using the system to study thermal dynamics in two different thin-film samples: a gold film on a glass substrate (a single-phase system) and the quadrilayer phase-change stack typical in optical data-storage applications.

Original languageEnglish (US)
Pages (from-to)3167-3173
Number of pages7
JournalApplied Optics
Volume44
Issue number16
DOIs
StatePublished - Jun 1 2005

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Optical data storage
Thermal conductivity
Pumps
data storage
pumps
Thin films
probes
thermal conductivity
thin films
Metals
metals
Pulsed lasers
systems engineering
shot
Specific heat
numerical analysis
Numerical analysis
Laser pulses
pulsed lasers
Gold

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Optical pump-and-probe test system for thermal characterization of thin metal and phase-change films. / Watabe, Kazuo; Polynkin, Pavel G; Mansuripur, Masud.

In: Applied Optics, Vol. 44, No. 16, 01.06.2005, p. 3167-3173.

Research output: Contribution to journalArticle

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