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Single-beam interference from plain Gaussian and OAM wavefronts
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Optics and Photonics, OFO.
2016 (English)In: Proceedings of SPIE - The International Society for Optical Engineering, SPIE - International Society for Optical Engineering, 2016Conference paper (Refereed)
Abstract [en]

We implement an SLM to generate laser beams of variable orbital angular momentum, also referred as Laguerre- Gaussian beams. Input beam polarization takes into account a local birefringence of each pixel of the SLM. We identify the beam polarization eigenstates allowing generate L-G beams of different order via matching variable birefringence of every separate pixels. Zero-order beam passing through the SLM can interact with a generated OAM beam to create an interference pattern. Experimental results demonstrate good agreement with simulations. © 2016 SPIE.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2016.
Keyword [en]
Interference, Lauerre-Gaussian beam, Orbital angular momentum, Spatial light modulator, Angular momentum, Birefringence, Gaussian distribution, Laser beams, Light modulators, Pixels, Polarization, Wave interference, Beam polarization, Eigenstates, Interference patterns, Laguerre Gaussian beams, Single beam, Spatial light modulators, Zero order, Gaussian beams
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-195140DOI: 10.1117/12.2213619ISI: 000381932900015ScopusID: 2-s2.0-84983050364ISBN: 9781628419993OAI: diva2:1047038
10th Conference on Complex Light and Optical Forces, 16 February 2016 through 18 February 2016

CODEN: PSISD. QC 20161116

Available from: 2016-11-16 Created: 2016-11-02 Last updated: 2016-11-16Bibliographically approved

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Popov, S.
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