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Optical Engineering

Generation of a variable-diameter collimated hollow laser beam using metal axicon mirrors
Author(s): Sanjiv Tiwari; Satya R. Mishra; Suriya P. Ram
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Paper Abstract

We demonstrate the generation of a collimated hollow beam of variable diameter using a pair of convex and concave metal axicon mirrors. Using these homemade inexpensive convex and concave metal axicon mirrors of equal cone angle, we have generated a good quality hollow beam with high conversion efficiency (∼76%) from a Gaussian input beam. The focusing of the generated collimated hollow beam has been compared with that of a diverging hollow beam.

Paper Details

Date Published: 1 January 2011
PDF: 4 pages
Opt. Eng. 50(1) 014001 doi: 10.1117/1.3530080
Published in: Optical Engineering Volume 50, Issue 1
Show Author Affiliations
Sanjiv Tiwari, Raja Ramanna Ctr. for Advanced Technology (India)
Satya R. Mishra, Raja Ramanna Ctr. for Advanced Technology (India)
Suriya P. Ram, Raja Ramanna Ctr. for Advanced Technology (India)


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