Visualization of exhaled breath by transmission electronic speckle pattern interferometry | Zendy

Thomas R. Moore | Zendy

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Visualization of exhaled breath by transmission electronic speckle pattern interferometry

Author(s) -

Thomas R. Moore

Publication year - 2020

Publication title -

applied optics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.668

H-Index - 197

eISSN - 2155-3165

pISSN - 1559-128X

DOI - 10.1364/ao.410784

Subject(s) - optics , speckle pattern , interferometry , speckle imaging , electronic speckle pattern interferometry , interference (communication) , computer science , visualization , speckle noise , transmission (telecommunications) , physics , artificial intelligence , telecommunications , channel (broadcasting)

A method for visualizing the air flow from the mouths of vocalists and wind musical instruments is presented. The method is based on a modification of electronic speckle pattern interferometry that incorporates the interference of a transmitted object beam rather than the standard method using a reflected object beam. The resulting whole-field real-time images are a valuable resource for both scientific and pedagogical use.

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