Experimental evidence of the phase behavior at the waist of a gaussian laser beam

Adrian Dobroiu; Victor Nascov; Dan Apostol; Victor S. Damian

doi:10.1117/12.432811

29 June 2001 Experimental evidence of the phase behavior at the waist of a gaussian laser beam

Adrian Dobroiu, Victor Nascov, Dan Apostol, Victor S. Damian

Proceedings Volume 4430, ROMOPTO 2000: Sixth Conference on Optics; (2001) https://doi.org/10.1117/12.432811
Event: ROMOPTO 2000: Sixth Conference on Optics, 2000, Bucharest, Romania

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.

Citation Download Citation

Adrian Dobroiu, Victor Nascov, Dan Apostol, and Victor S. Damian "Experimental evidence of the phase behavior at the waist of a gaussian laser beam", Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); https://doi.org/10.1117/12.432811

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