Generation of high-order optical vortices using directly machined spiral phase mirrors

We report on the generation of high-order optical vortices by spiral phase mirrors (SPMs). The mirrors are produced by direct machining with a diamond tool and are shown to produce high-quality optical vortices with topological charges ranging from 1 to upwards of 100 at a wavelength of 532 nm. The...

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Bibliographic Details
Published in:Applied optics (2004) 2012-03, Vol.51 (7), p.873-876
Main Authors: Campbell, Geoff, Hage, Boris, Buchler, Ben, Lam, Ping Koy
Format: Article
Language:English
Subjects:
Compatibility
Diamond tools
Fluid flow
Machining
Spirals
Topology
Vortices
Wavelengths
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Summary:We report on the generation of high-order optical vortices by spiral phase mirrors (SPMs). The mirrors are produced by direct machining with a diamond tool and are shown to produce high-quality optical vortices with topological charges ranging from 1 to upwards of 100 at a wavelength of 532 nm. The direct machining technique is flexible and offers the promise of high-precision, large-diameter SPMs that are compatible with high optical powers.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.51.000873