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Proceedings Paper

Numerical study on transformation optical device using Luneburg lens and Bragg grating for converting cylindrical wave to plane wave
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Paper Abstract

A device converting cylindrical waves to plane waves is demonstrated. This device is comprised of two Luneburg lenses and Bragg gratings. The two Luneburg lenses are placed in contact with each other and Bragg grating is placed perpendicular to the longitudinal axis of the lenses. The function of the Luneburg lens is to convert cylindrical waves to plane waves and vice versa. The function of the Bragg grating is to reflect the plane waves. If we put the cylindrical wave source on the contact point of the lenses, short range plane waves are generated. We verified them by using the FEM simulations. Efficiency of the device is also analyzed depending on wavelength and dimension of the lens.

Paper Details

Date Published: 15 October 2012
PDF: 7 pages
Proc. SPIE 8497, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VI, 84970G (15 October 2012); doi: 10.1117/12.929422
Show Author Affiliations
Eui-Young Song, Seoul National Univ. (Korea, Republic of)
Hwi Kim, Korea Univ. (Korea, Republic of)
Byoungho Lee, Seoul National Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 8497:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VI
Shizhuo Yin; Ruyan Guo, Editor(s)

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