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Measuring the spot size of a Gaussian beam with an oscillating wire

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1 Author(s)
Stijns, E. ; Vrije Universiteit Brussel, 1050 Brussels, Belgium

It is possible to determine the spot size of a Gaussian laser beam by measuring the power of the beam with a wire of known diameter oscillating in front of the detector. It is verified experimentally that this simple method gives accurate results.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:16 ,  Issue: 12 )