The Review of Laser Engineering
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Generation of a Bessel Beam from Annularly Arranged Multi-Beams
Taku SAIKI, Kazuhisa HASHIMOTO, Shinji MOTOKOSHI, Kazuo IMASAKI, Hisanori FUJITA, Masahiro NAKATSUKA, Chiyoe YAMANAKA
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Keywords: Bessel beam, Solid-state laser, Phase matching
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2008 Volume 36 Issue 10 Pages 643-647

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Abstract
A laser beam passes through 12 or 24 circular apertures arranged annularly, and the transmitted beams overlapped with each other in phase to generate a Bessel beam. The resultant beam propagates and maintains characteristic narrow energy distribution that agrees with the results of numerical calculation.
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© by The Laser Society of Japan
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