Non-contact optical hand-held viscosity sensor with incident angle and irradiation timing controls

Research output: Contribution to journalArticle

Abstract

This paper proposes a novel optical hand-held viscosity sensor based on a laser-induced capillary wave method that can be used as a noncontact and quick in situ viscometry of liquid samples. Incident angle and irradiation timing control systems were integrated into the hand-held viscosity sensor to robustly measure viscosity by detecting the optical signal in a hand-held condition. We report the stability evaluation of these systems under the hand-held condition. Finally, the proposed sensor’s applicability to the hand-held viscometer was confirmed by measuring the viscosity distribution that the temperature gradient of the liquid sample caused.

Original languageEnglish
Pages (from-to)34070-34080
Number of pages11
JournalOptics Express
Volume26
Issue number26
DOIs
Publication statusPublished - 2018 Dec 24

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time measurement
viscosity
irradiation
sensors
viscometry
capillary waves
viscometers
liquids
optical communication
temperature gradients
evaluation
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Non-contact optical hand-held viscosity sensor with incident angle and irradiation timing controls. / Eguchi, Masato; Taguchi, Yoshihiro; Nagasaka, Yuji.

In: Optics Express, Vol. 26, No. 26, 24.12.2018, p. 34070-34080.

Research output: Contribution to journalArticle

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