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Proceedings Paper

Experimental evidence of the phase behavior at the waist of a gaussian laser beam
Author(s): Adrian Dobroiu; Victor Nascov; Dan Apostol; Victor S. Damian
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Paper Abstract

The phenomenon of phase retardation in the waist region of a gaussian beam (known as the Guoy effect) is described and demonstrated in the visible wavelength range. Two gaussian beams, originating from the same laser, are made to interfere in a region around the waist of one of them and far from the waist of the other. The relative phase is measured by processing the interference patterns recorded at different locations on the axis. A comparison with the theoretical results is carried out.

Paper Details

Date Published: 29 June 2001
PDF: 6 pages
Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); doi: 10.1117/12.432811
Show Author Affiliations
Adrian Dobroiu, National Institute for Laser, Plasma and Radiation Physics (Romania)
Victor Nascov, National Institute for Laser, Plasma and Radiation Physics (Romania)
Dan Apostol, National Institute for Laser, Plasma and Radiation Physics (Romania)
Victor S. Damian, National Institute for Laser, Plasma and Radiation Physics (Romania)


Published in SPIE Proceedings Vol. 4430:
ROMOPTO 2000: Sixth Conference on Optics

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