Laser reflectometry of submegahertz liquid meniscus ringing

R. H. Farahi, A. Passian, Y. K. Jones, L. Tetard, A. L. Lereu, T. G. Thundat

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Optical techniques that permit nondestructive probing of interfacial dynamics of various media are of key importance in numerous applications such as ellipsometry, mirage effect, and all-optical switching. Characterization of the various phases of microjet droplet formation yields important information for volume control, uniformity, velocity, and rate. The ringing of the meniscus and the associated relaxation time that occurs after droplet breakoff affect subsequent drop formation and is an indicator of the physical properties of the fluid. Using laser reflectometry, we present an analysis of the meniscus oscillations in an orifice of a piezoelectric microjet.

Original languageEnglish
Pages (from-to)3148-3150
Number of pages3
JournalOptics Letters
Volume34
Issue number20
DOIs
StatePublished - Oct 15 2009

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