Dynamic beam steering at submm- and mm-wave frequencies using an optically controlled lens antenna

T. F. Gallacher; R. Søndenå; D. A. Robertson; G. M. Smith

doi:10.1117/12.2015941

31 May 2013 Dynamic beam steering at submm- and mm-wave frequencies using an optically controlled lens antenna

T. F. Gallacher, R. Søndenå, D. A. Robertson, G. M. Smith

Proceedings Volume 8715, Passive and Active Millimeter-Wave Imaging XVI; 87150O (2013) https://doi.org/10.1117/12.2015941
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

We present details of our work which has been focused on improving the efficiency and scan rate of the photo-injected Fresnel zone plate antenna (piFZPA) technique which utilizes commercially available visible display technologies. This approach presents a viable low-cost solution for non-mechanical beam steering, suitable for many applications at (sub) mm-wave frequencies that require rapid beam steering capabilities in order to meet their technological goals, such as imaging, surveillance, and remote sensing. This method has the advantage of being comparatively low-cost, is based on a simple and flexible architecture, enabling rapid and precise arbitrary beam forming, and which is scalable to higher frame-rates and higher submm-wave frequencies. We discuss the various optimization stages of a range of piFZPA designs that implement fast visible projection displays, enabling up to 30,000 beams per second. We also outline the suitability of this technology across mm-wave and submm-wave frequencies as a low-cost and simple solution for dynamic optoelectronic beam steering.

Citation Download Citation

T. F. Gallacher, R. Søndenå, D. A. Robertson, and G. M. Smith "Dynamic beam steering at submm- and mm-wave frequencies using an optically controlled lens antenna", Proc. SPIE 8715, Passive and Active Millimeter-Wave Imaging XVI, 87150O (31 May 2013); https://doi.org/10.1117/12.2015941

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KEYWORDS

Semiconducting wafers

Silicon

Beam steering

Antennas

Spatial light modulators

Zone plates

Wafer-level optics

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