Imaging acoustic standing waves in the presence of flowing gas

Thomas R. Moore; Lucia Baquerizo; Quinn Fuse; Makayle S. Kellison

doi:10.1364/AO.478777

Applied Optics
Vol. 62,
Issue 1,
pp. 46-49
(2023)
•https://doi.org/10.1364/AO.478777

Imaging acoustic standing waves in the presence of flowing gas

Thomas R. Moore, Lucia Baquerizo, Quinn Fuse, and Makayle S. Kellison

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Thomas R. Moore, Lucia Baquerizo, Quinn Fuse, and Makayle S. Kellison, "Imaging acoustic standing waves in the presence of flowing gas," Appl. Opt. 62, 46-49 (2023)

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Table of Contents Category
- Imaging Systems, Image Processing, and Displays
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About this Article
History
- Original Manuscript: October 20, 2022
- Revised Manuscript: November 28, 2022
- Manuscript Accepted: November 28, 2022
- Published: December 15, 2022

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Abstract

A method for imaging an acoustic standing wave in the presence of flowing gas is described. The optical power at the acoustic frequency in each pixel of a series of high-speed transmission electronic speckle pattern interferograms is used to map the steady-state pressure variations of an acoustic standing wave. The utility of the process is demonstrated by imaging the standing wave inside a transparent organ pipe.

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Corrections

15 December 2023: A correction was made to Ref. 17.

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Supplementary Material (1)

Name	Description
Data File 1	Average pixel intensity of the image shown in Fig.4. The line is a nonlinear least squares fit to an absolute sine function modified by a Gaussian envelope. The vertical line represents the position of the end of the pipe.

Data availability

Data used in constructing Fig. 5 are available in Ref. [17].

17. T. R. Moore, L. Baquerizo, and Q. Fuse, “Supplemental Data File for “Imaging acoustic standing waves in the presence of flowing gas”,” figshare (2022), https://doi.org/10.6084/m9.figshare.21632306.

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