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Optical Engineering

Generation and focusing of a collimated hollow beam
Author(s): Sanjiv Kumar Tiwari; Surjya Prakash Ram; Kavya Hemantha Rao; Satya Ram Mishra; Haridarshan Singh Rawat
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Paper Abstract

We report the generation of a collimated hollow beam using a single axicon mirror. The focusing of this hollow beam has been studied using different focusing elements—axicon lens and spherical lens. The results show that if parameters of the focusing lenses are chosen suitably, nearly identical intensity patterns of Bessel beams in the focal region of the lenses can be obtained with two different types of focusing lenses.

Paper Details

Date Published: 24 November 2015
PDF: 6 pages
Opt. Eng. 54(11) 115111 doi: 10.1117/1.OE.54.11.115111
Published in: Optical Engineering Volume 54, Issue 11
Show Author Affiliations
Sanjiv Kumar Tiwari, Raja Ramanna Ctr. for Advanced Technology (India)
Surjya Prakash Ram, Raja Ramanna Ctr. for Advanced Technology (India)
Kavya Hemantha Rao, Cochin Univ. of Science & Technology (India)
Satya Ram Mishra, Raja Ramanna Ctr. for Advanced Technology (India)
Haridarshan Singh Rawat, Raja Ramanna Ctr. for Advanced Technology (India)


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