24 November 2015 Generation and focusing of a collimated hollow beam
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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.
© 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
Sanjiv Kumar Tiwari, Sanjiv Kumar Tiwari, Surjya Prakash Ram, Surjya Prakash Ram, Kavya Hemantha Rao, Kavya Hemantha Rao, Satya Ram Mishra, Satya Ram Mishra, Haridarshan Singh Rawat, Haridarshan Singh Rawat, } "Generation and focusing of a collimated hollow beam," Optical Engineering 54(11), 115111 (24 November 2015). https://doi.org/10.1117/1.OE.54.11.115111 . Submission:


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