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Optical Engineering

Characteristic analysis of a refractive axicon system for optical trepanning
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Paper Abstract

An annular beam provides a new laser drilling mechanism, which we refer to as optical trepanning. A refractive axicon system has been designed to transform an input Gaussian laser beam into a collimated annular beam. The diffractive effects of the axicon system and a convex lens focusing the collimated annular beam have been studied using the Fresnel diffraction integral. The theoretical diffraction patterns are compared with the patterns measured with a laser-beam analyzer. The results show that the refractive axicon system can produce Gaussian-like annular beams with the capability of easily adjusting the size of the annular beam.

Paper Details

Date Published: 1 September 2006
PDF: 10 pages
Opt. Eng. 45(9) 094302 doi: 10.1117/1.2353119
Published in: Optical Engineering Volume 45, Issue 9
Show Author Affiliations
Danyong Zeng, College of Optics & Photonics/Univ. of Central Florida (United States)
William Pete Latham, Air Force Research Lab. (United States)
A. Kar, College of Optics & Photonics/Univ. of Central Florida (United States)

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