Laguerre-Gaussian supercontinuum |
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| Authors: | Sztul H I Kartazayev V Alfano R R |
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| Affiliation: | Institute for Ultrafast Spectroscopy and Lasers, NASA Center for Optical Sensing and Imaging, Department of Physics, The City College and Graduate School of CUNY, New York, NY 10031, USA. |
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| Abstract: | We show what is believed to be the first coherent white-light optical vortices generated from supercontinuum that have the azimuthally varying phase structure consistent with a monochromatic Laguerre-Gaussian beam. Two methods of Laguerre-Gaussian supercontinuum generation are discussed and contrasted. We use a computer-generated hologram to convert a Gaussian white-light supercontinuum source into Laguerre-Gaussian supercontinuum. |
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