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Journal Article

Quadrant detector calibration for vortex beams

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons200999

Aiello,  A.
Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Hermosa, N., Aiello, A., & Woerdman, J. P. (2011). Quadrant detector calibration for vortex beams. OPTICS LETTERS, 36(3), 409-411. doi:10.1364/OL.36.000409.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-6A2F-B
Abstract
This Letter reports an experimental and theoretical study of the response of a quadrant detector (QD) to an incident vortex beam, specifically a Laguerre-Gaussian (LG) beam. We have found that the LG beam response depends on the vorticity index l. We compare LG beams with hard-ringed beams and find that at higher l values, the QD response to LG beams can be approximated by its response to hard-ringed beams. Our findings are important in view of the increasing interest in optical vortex beams. (C) 2011 Optical Society of America