Characteristic analysis of a refractive axicon system for optical trepanning

Danyong Zeng; William Pete Latham; A. Kar

doi:10.1117/1.2353119

1 September 2006 Characteristic analysis of a refractive axicon system for optical trepanning

Danyong Zeng, William Pete Latham, A. Kar

Author Affiliations +

Optical Engineering, Vol. 45, Issue 9, 094302 (September 2006). https://doi.org/10.1117/1.2353119

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.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Danyong Zeng, William Pete Latham, and A. Kar "Characteristic analysis of a refractive axicon system for optical trepanning," Optical Engineering 45(9), 094302 (1 September 2006). https://doi.org/10.1117/1.2353119

Published: 1 September 2006

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