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Authors: Wynn Dunn Gil D. Improso ; Giovanni A. Tapang and Caesar A. Saloma

Affiliation: University of the Philippines, Philippines

Keyword(s): 42.30.Kq Fourier Optics, 42.30.Lr Modulation and Optical Transfer Functions, 42.30.Rx Phase Retrieval, 42.40.Jv Computer Generated Holograms.

Related Ontology Subjects/Areas/Topics: Optical Instrumentation ; Optics ; Photonics, Optics and Laser Technology

Abstract: We suppress the unwanted zeroth order diffraction (ZOD) contributed by the dead areas of a spatial light modulator with a correction beam that is independently created from the desired target. We use the Gerchberg- Saxton algorithm to generate the phase of the correction beam profile that would match correctly with that of the ZOD. The correction beam intensity is regulated using a coefficient to match also with that of the ZOD. Numerical simulation reveals a ZOD suppression that is as high as -99% but only -32% has been achieved so far experimentally.

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Paper citation in several formats:
Improso, W.; Tapang, G. and Saloma, C. (2017). Suppression of Zeroth-Order Diffraction in Phase-Only Spatial Light Modulator via Destructive Interference with a Correction Beam. In Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-758-223-3; ISSN 2184-4364, SciTePress, pages 208-214. DOI: 10.5220/0006129802080214

@conference{photoptics17,
author={Wynn Dunn Gil D. Improso. and Giovanni A. Tapang. and Caesar A. Saloma.},
title={Suppression of Zeroth-Order Diffraction in Phase-Only Spatial Light Modulator via Destructive Interference with a Correction Beam},
booktitle={Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2017},
pages={208-214},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006129802080214},
isbn={978-989-758-223-3},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - Suppression of Zeroth-Order Diffraction in Phase-Only Spatial Light Modulator via Destructive Interference with a Correction Beam
SN - 978-989-758-223-3
IS - 2184-4364
AU - Improso, W.
AU - Tapang, G.
AU - Saloma, C.
PY - 2017
SP - 208
EP - 214
DO - 10.5220/0006129802080214
PB - SciTePress

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