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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/5197

Title: Robust interferometer for the routing of light beams carrying orbital angular momentum
Authors: Lavery, MPJ
Dudley, A
Forbes, A
Courtial, J
Padgett, MJ
Keywords: Interferometers
Light beams
Lenses
Prisms
Optics
Robust interferometer
Light beams
Issue Date: Sep-2011
Publisher: Institute of Physics
Citation: Lavery, MPJ, Dudley, A, Forbes, A et al. 2011. Robust interferometer for the routing of light beams carrying orbital angular momentum. New Journal of Physics, Vol 13, pp 7
Series/Report no.: Workflow request;7349
Abstract: The authors have developed an interferometer requiring only minimal angular alignment for the routing of beams carrying orbital angular momentum. The Mach–Zehnder interferometer contains a Dove prism in each arm where each has a mirror plane around which the transverse phase profile is inverted. The authors' consequence of the inversions is that the interferometer needs no alignment. Instead the interferometer defines a unique axis about which the input beam must be coupled. Experimental results are presented for the fringe contrast, reaching a maximum value of 93±1%.
Description: Copyright: 2011 Institute of Physics
URI: http://iopscience.iop.org/1367-2630/13/9/093014
http://hdl.handle.net/10204/5197
ISSN: 1367-2630
Appears in Collections:Laser physics and technology
General science, engineering & technology

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