Optical image rotation based on orbital angular momentum decomposition and combination

Redha H. Al Ibrahim; Shuiqin Zheng; Tien Khee Ng; Boon S. Ooi

doi:10.1088/2040-8986/ac8a02

Optical image rotation based on orbital angular momentum decomposition and combination

Redha H. Al Ibrahim, Shuiqin Zheng^*, Tien Khee Ng, Boon S. Ooi^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

This paper theoretically presents an optical image rotation system based on orbital angular momentum (OAM) manipulation. This system consists of two parts corresponding to OAM decomposition and OAM combination functions. OAM decomposition transforms the optical field into the OAM spectrum by log-polar transformation. OAM manipulation is applied on the OAM spectrum plane of the system, and then the OAM combination transforms the manipulated spectrum back into an optical image. By applying a linear phase shift modulation to the OAM spectrum, the image rotates due to the modulation. This paper demonstrates that the OAM spectrum manipulation for image rotation is equivalent to the one-dimensional movement of one of the optical elements. It is suggested that the rotation angle adjustment of an optical image rotation system can be realized, not only by the rotation of the elements, but also made possible by the linear translation of the optical elements. This means that the OAM dimension can bring new features to optical design.

Original language	English (US)
Article number	115605
Journal	Journal of Optics (United Kingdom)
Volume	24
Issue number	11
DOIs	https://doi.org/10.1088/2040-8986/ac8a02
State	Published - Nov 2022

Bibliographical note

Funding Information:
KAUST Office of Sponsored Research (OSR) Award (No. OSR-CRG2017-3417); the King Abdullah University of Science and Technology (KAUST) Baseline Funding (No. BAS/1/1614-01-01); the Great Bay University Scientific Research Start-up Funding (No. YJKY220005).

Publisher Copyright:
© 2022 IOP Publishing Ltd.

Keywords

optical device
optical image rotation
orbital angular momentum

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics

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10.1088/2040-8986/ac8a02

Cite this

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title = "Optical image rotation based on orbital angular momentum decomposition and combination",

abstract = "This paper theoretically presents an optical image rotation system based on orbital angular momentum (OAM) manipulation. This system consists of two parts corresponding to OAM decomposition and OAM combination functions. OAM decomposition transforms the optical field into the OAM spectrum by log-polar transformation. OAM manipulation is applied on the OAM spectrum plane of the system, and then the OAM combination transforms the manipulated spectrum back into an optical image. By applying a linear phase shift modulation to the OAM spectrum, the image rotates due to the modulation. This paper demonstrates that the OAM spectrum manipulation for image rotation is equivalent to the one-dimensional movement of one of the optical elements. It is suggested that the rotation angle adjustment of an optical image rotation system can be realized, not only by the rotation of the elements, but also made possible by the linear translation of the optical elements. This means that the OAM dimension can bring new features to optical design.",

keywords = "optical device, optical image rotation, orbital angular momentum",

author = "{Al Ibrahim}, {Redha H.} and Shuiqin Zheng and Ng, {Tien Khee} and Ooi, {Boon S.}",

note = "Funding Information: KAUST Office of Sponsored Research (OSR) Award (No. OSR-CRG2017-3417); the King Abdullah University of Science and Technology (KAUST) Baseline Funding (No. BAS/1/1614-01-01); the Great Bay University Scientific Research Start-up Funding (No. YJKY220005). Publisher Copyright: {\textcopyright} 2022 IOP Publishing Ltd.",

year = "2022",

month = nov,

doi = "10.1088/2040-8986/ac8a02",

language = "English (US)",

volume = "24",

journal = "Journal of Optics (United Kingdom)",

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AU - Al Ibrahim, Redha H.

AU - Zheng, Shuiqin

AU - Ng, Tien Khee

AU - Ooi, Boon S.

N1 - Funding Information: KAUST Office of Sponsored Research (OSR) Award (No. OSR-CRG2017-3417); the King Abdullah University of Science and Technology (KAUST) Baseline Funding (No. BAS/1/1614-01-01); the Great Bay University Scientific Research Start-up Funding (No. YJKY220005). Publisher Copyright: © 2022 IOP Publishing Ltd.

PY - 2022/11

Y1 - 2022/11

N2 - This paper theoretically presents an optical image rotation system based on orbital angular momentum (OAM) manipulation. This system consists of two parts corresponding to OAM decomposition and OAM combination functions. OAM decomposition transforms the optical field into the OAM spectrum by log-polar transformation. OAM manipulation is applied on the OAM spectrum plane of the system, and then the OAM combination transforms the manipulated spectrum back into an optical image. By applying a linear phase shift modulation to the OAM spectrum, the image rotates due to the modulation. This paper demonstrates that the OAM spectrum manipulation for image rotation is equivalent to the one-dimensional movement of one of the optical elements. It is suggested that the rotation angle adjustment of an optical image rotation system can be realized, not only by the rotation of the elements, but also made possible by the linear translation of the optical elements. This means that the OAM dimension can bring new features to optical design.

AB - This paper theoretically presents an optical image rotation system based on orbital angular momentum (OAM) manipulation. This system consists of two parts corresponding to OAM decomposition and OAM combination functions. OAM decomposition transforms the optical field into the OAM spectrum by log-polar transformation. OAM manipulation is applied on the OAM spectrum plane of the system, and then the OAM combination transforms the manipulated spectrum back into an optical image. By applying a linear phase shift modulation to the OAM spectrum, the image rotates due to the modulation. This paper demonstrates that the OAM spectrum manipulation for image rotation is equivalent to the one-dimensional movement of one of the optical elements. It is suggested that the rotation angle adjustment of an optical image rotation system can be realized, not only by the rotation of the elements, but also made possible by the linear translation of the optical elements. This means that the OAM dimension can bring new features to optical design.

KW - optical device

KW - optical image rotation

KW - orbital angular momentum

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ER -

Optical image rotation based on orbital angular momentum decomposition and combination

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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