Liquid density sensing by using a photothermal vibration

Seiki Inaba; Yoshiki Okuhara; Kazuhiro Hane

doi:10.1016/0924-4247(92)80162-V

Liquid density sensing by using a photothermal vibration

Seiki Inaba, Yoshiki Okuhara, Kazuhiro Hane

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

An optical sensing system for measuring liquid density, which uses the resonance frequency shift of a membrane vibrated by the photothermal effect in liquid, is described. On increasing the liquid density from 0.79 to 1.18 g/cm³, the resonance frequency for the membrane with a cantilever structure decreased monotonically from 1940 to 1700 Hz by sound radiation from the vibrating membrane.

Original language	English
Pages (from-to)	163-166
Number of pages	4
Journal	Sensors and Actuators: A. Physical
Volume	33
Issue number	3
DOIs	https://doi.org/10.1016/0924-4247(92)80162-V
Publication status	Published - 1992 Jun
Externally published	Yes

Keywords

photothermal vibration

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering

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10.1016/0924-4247(92)80162-V

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title = "Liquid density sensing by using a photothermal vibration",

abstract = "An optical sensing system for measuring liquid density, which uses the resonance frequency shift of a membrane vibrated by the photothermal effect in liquid, is described. On increasing the liquid density from 0.79 to 1.18 g/cm3, the resonance frequency for the membrane with a cantilever structure decreased monotonically from 1940 to 1700 Hz by sound radiation from the vibrating membrane.",

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author = "Seiki Inaba and Yoshiki Okuhara and Kazuhiro Hane",

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KW - photothermal vibration

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