We show that the free space propagation of an LP0,n mode is qualitatively different from that of a Gaussian beam. Also, a modal purity ≥ 90% is sufficient for observing the Bessel nature of an LP0,n beam, except for the LP0,1 mode. © OSA 2016.

Nitin Bhatia

Department of Electrical Engineering

IIT Jodhpur

K.C. Rustagi

J. John

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Journal	Data powered by TypesetOptics InfoBase Conference Papers
Publisher	Data powered by TypesetOSA - The Optical Society
ISSN	1084-7529
Impact Factor	1.230
Citation Style	unsrt
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