DIFFRACTION-FREE NATURE OF SCHLIEREN SOUND-FIELD IMAGES IN ISOTROPIC MEDIA

Authors
KORPEL A YU TT SNYDER HS CHEN YM
Citation
A. Korpel et al., DIFFRACTION-FREE NATURE OF SCHLIEREN SOUND-FIELD IMAGES IN ISOTROPIC MEDIA, Journal of the Optical Society of America. A, Optics, image science,and vision., 11(10), 1994, pp. 2657-2663
Citations number
6
Categorie Soggetti
Optics
Journal title
Journal of the Optical Society of America. A, Optics, image science,and vision. → ACNP
ISSN journal
10847529
Volume
11
Issue
10
Year of publication
1994
Pages
2657 - 2663
Database
ISI
SICI code
1084-7529(1994)11:10<2657:DNOSSI>2.0.ZU;2-B
Abstract
We demonstrate that schlieren images of sound fields do not spread by diffraction when propagating; they form generalized, diffraction-free beams. Our experimental results are shown to be in good agreement with theory and computer simulation.