Optical visualization of a fluid flow via the temperature controlling method

Risako Tanigawa*, Kenji Ishikawa, Kohei Yatabe, Yasuhiro Oikawa, Takashi Onuma, Hayato Niwa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


In this Letter, a visualization method of a fluid flow through temperature control is proposed. The proposed method enables us to visualize an invisible fluid flow by controlling the temperature so that its visibility can be easily adjusted. Such ability of adjusting appearance is effective for visualizing the phenomena consisting of multiple physical processes. In order to verify the validity of the proposed method, the measurement experiment of visualization of both flow and sound in air using parallel phase-shifting interferometry, which is a similar condition to the previous research [Opt. Lett. 43, 991 (2018)], was conducted.

Original languageEnglish
Pages (from-to)3273-3276
Number of pages4
JournalOptics Letters
Issue number14
Publication statusPublished - 2018 Jul 15

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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