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Optical Engineering

Measurment of human vocal fold vibrations with laser triangulation
Author(s): Goran Manneberg; Stellan Hertegard; Johan Liljencrantz
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Paper Abstract

Laser triangulation is used to examine the vertical (longitudinal) movements of the vocal folds during phonation. A method for evaluating the blurry, elongated image of the laser spot by vibration amplitude is presented. The method is used in situ on humans and is calibrated with known vibrations of bovine tissue.

Paper Details

Date Published: 1 September 2001
PDF: 4 pages
Opt. Eng. 40(9) doi: 10.1117/1.1396324
Published in: Optical Engineering Volume 40, Issue 9
Show Author Affiliations
Goran Manneberg, Royal Institute of Technology (Sweden)
Stellan Hertegard, Karolinska Hospital (Sweden)
Johan Liljencrantz, Royal Institute of Technology (Sweden)

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