Simple precision measurements of optical beam sizes

We present a simple high-precision method to quickly and accurately measure the diameters of Gaussian beams, Airy spots, and central peaks of Bessel beams ranging from sub-millimeter to many centimeters without specialized equipment. By simply moving a wire through the beam and recording the relativ...

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Bibliographic Details
Published in:Applied optics (2004) 2018-11, Vol.57 (33), p.9863
Main Authors: Mylonakis, Mikis, Pandey, Saurabh, Mavrakis, Kostas G, Drougakis, Giannis, Vasilakis, Georgios, Papazoglou, Dimitris G, von Klitzing, Wolf
Format: Article
Language:English
Subjects:
Beams (radiation)
Gaussian beams (optics)
Recording
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Summary:We present a simple high-precision method to quickly and accurately measure the diameters of Gaussian beams, Airy spots, and central peaks of Bessel beams ranging from sub-millimeter to many centimeters without specialized equipment. By simply moving a wire through the beam and recording the relative losses using an optical power meter, one can easily measure the beam diameters with a precision of 1%. The accuracy of this method has been experimentally verified for Gaussian beams down to the limit of a commercial slit-based beam profiler (3%).
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.57.009863