Optical antenna for a visible light communications receiver

Juan Camilo Valencia-Estrada; Jorge García-Márquez; Suat Topsu; Luc Chassagne

doi:10.1117/12.2290016

29 January 2018 Optical antenna for a visible light communications receiver

Juan Camilo Valencia-Estrada, Jorge García-Márquez, Suat Topsu, Luc Chassagne

Proceedings Volume 10559, Broadband Access Communication Technologies XII; 105590L (2018) https://doi.org/10.1117/12.2290016
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Visible Light Communications (VLC) receivers adapted to be used in high transmission rates will eventually use either, high aperture lenses or non-linear optical elements capable of converting light arriving to the receiver into an electric signal. The high aperture lens case, reveals a challenge from an optical designers point-of-view. As a matter of fact, the lens must collect a wide aperture intensity flux using a limited aperture as its use is intended to portable devices. This last also limits both, lens thickness and its focal length. Here, we show a first design to be adapted to a VLC receiver that take these constraints into account. This paper describes a method to design catadioptric and monolithic lenses to be used as an optical collector of light entering from a near point light source as a spherical fan L with a wide acceptance angle α◦ and high eﬃciency. These lenses can be mass produced and therefore one can find many practical applications in VLC equipped devices. We show a first design for a near light source without magnification, and second one with a detector’s magnification in a meridional section. We utilize rigorous geometric optics, vector analysis and ordinary diﬀerential equations.

Citation Download Citation

Juan Camilo Valencia-Estrada, Jorge García-Márquez, Suat Topsu, and Luc Chassagne "Optical antenna for a visible light communications receiver ", Proc. SPIE 10559, Broadband Access Communication Technologies XII, 105590L (29 January 2018); https://doi.org/10.1117/12.2290016

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