Measurement of hypersonic velocities resulting from the laser-induced breakdown of aerosols using an excimer laser imaging system

S. A. Schaub, D. R. Alexander, D. E. Poulain, J. P. Barton

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this article we describe a dual-pulse excimer-laser-based imaging system used in the determination of ejected material velocities resulting from the interaction of KrF laser radiation (λ = 248 nm, pulse width FWHM=17 ns, I≈1011 W/cm2) with 20-μm aluminum particles under vacuum (P = 10-5 Torr) conditions. Material velocities measured 200-400 ns after arrival of the incident pulse ranged from 450 to 1200 m/s.

Original languageEnglish (US)
Pages (from-to)3688-3691
Number of pages4
JournalReview of Scientific Instruments
Volume60
Issue number12
DOIs
StatePublished - Dec 1 1989

Fingerprint

hypersonics
Hypersonic aerodynamics
Excimer lasers
Imaging systems
excimer lasers
Aerosols
aerosols
breakdown
Lasers
Laser radiation
Full width at half maximum
pulses
lasers
arrivals
Laser pulses
pulse duration
laser beams
Vacuum
aluminum
Aluminum

ASJC Scopus subject areas

  • Instrumentation

Cite this

Measurement of hypersonic velocities resulting from the laser-induced breakdown of aerosols using an excimer laser imaging system. / Schaub, S. A.; Alexander, D. R.; Poulain, D. E.; Barton, J. P.

In: Review of Scientific Instruments, Vol. 60, No. 12, 01.12.1989, p. 3688-3691.

Research output: Contribution to journalArticle

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