Optical Design and Engineering

Generation and focusing of a collimated hollow beam

[+] Author Affiliations
Sanjiv Kumar Tiwari, Surjya Prakash Ram, Satya Ram Mishra, Haridarshan Singh Rawat

Raja Ramanna Centre for Advanced Technology, Laser Physics Applications Section, RRCAT, Indore 452013, India

Kavya H. Rao

Cochin University of Science and Technology, International School of Photonics, CUSAT, Cochin 682022, India

Opt. Eng. 54(11), 115111 (Nov 24, 2015). doi:10.1117/1.OE.54.11.115111
History: Received May 11, 2015; Accepted October 26, 2015
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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.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Sanjiv Kumar Tiwari ; Surjya Prakash Ram ; Kavya H. Rao ; Satya Ram Mishra and Haridarshan Singh Rawat
"Generation and focusing of a collimated hollow beam", Opt. Eng. 54(11), 115111 (Nov 24, 2015). ; http://dx.doi.org/10.1117/1.OE.54.11.115111


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