Fundamental study for measuring microflow with Michelson interferometer enhanced by external random signal

Masaki Michihata, Phong Tran Dang, Terutake Hayashi, Yasuhiro Takaya

Research output: Contribution to journalArticle

Abstract

We propose a measuring technique for microflow based on the stochastic resonance phenomenon. The minute changed signal from the microflow hidden within the threshold of multi-threshold imaging sensors, such as CCDs, can be reconstructed using an external random signal. The differences in optical path length fringes of a Michelson interferometer were enhanced by scattered light using a micro Brownian particle solution. In this paper, we investigate the required characteristics of the external random signal numerically and experimentally. The feasibility of the proposed method was experimentally confirmed. The number of pixels required to reconstruct the signal was smaller than expected owing to internal and environmental noise signals. We show that the standard deviation of the external random signal plays an important role in enhancing the accuracy of the measurement.

Original languageEnglish
JournalJournal of Advanced Mechanical Design, Systems and Manufacturing
Volume8
Issue number4
DOIs
Publication statusPublished - Jan 1 2014
Externally publishedYes

Fingerprint

Michelson interferometers
Charge coupled devices
Pixels
Imaging techniques
Sensors

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

Fundamental study for measuring microflow with Michelson interferometer enhanced by external random signal. / Michihata, Masaki; Tran Dang, Phong; Hayashi, Terutake; Takaya, Yasuhiro.

In: Journal of Advanced Mechanical Design, Systems and Manufacturing, Vol. 8, No. 4, 01.01.2014.

Research output: Contribution to journalArticle

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