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Proceedings Paper

Design and fabrication of diffractive optics for orbital angular momentum space division multiplexing
Author(s): Kaitlyn S. Morgan; Indumathi S. Raghu; Eric G. Johnson
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Paper Abstract

This work presents the design and fabrication of diffractive optical elements for use in optical communication systems. The device geometry uses a vortex pattern to impart orbital angular momentum (OAM) onto an incident beam, providing a robust method for transmitting information through free space. Two refractive elements were designed and fabricated to use log-polar coordinate transformation of an incident OAM beam at 1550 nm for communications systems. Furthermore, diffractive elements were designed based on the phase profile of this refractive element. Fabrication of the devices uses conventional photolithography on a fused silica substrate.

Paper Details

Date Published: 13 March 2015
PDF: 6 pages
Proc. SPIE 9374, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VIII, 93740Y (13 March 2015); doi: 10.1117/12.2079944
Show Author Affiliations
Kaitlyn S. Morgan, Clemson Univ. (United States)
Indumathi S. Raghu, Clemson Univ. (United States)
Eric G. Johnson, Clemson Univ. (United States)

Published in SPIE Proceedings Vol. 9374:
Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VIII
Georg von Freymann; Winston V. Schoenfeld; Raymond C. Rumpf; Henry Helvajian, Editor(s)

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