Comparison between an amplitude-measuring wire and a slope-measuring laser water wave gauge

TitleComparison between an amplitude-measuring wire and a slope-measuring laser water wave gauge
Publication TypeJournal Article
Year of Publication1982
AuthorsLange, PA, Jähne, B, Tschiersch, J, Ilmberger, J
JournalRev. Sci. Instrum.
Volume53
Pagination651--655
Abstract

Capillary waves produced in a laboratory wind wave tunnel have been measured using a wire resistance-type gauge (measuring wave amplitude) and a laser gauge (measuring wave slope). Comparison of power spectra of the gauges shows good agreement to 80 Hz, which is the upper frequency limit of the wire gauge. The upper frequency limit of the laser gauge depends upon laser beam diameter and is about 300 Hz.

DOI10.1063/1.1137036
Citation Keylange1982