Non-Mechanical Beam Steering with Polarization Gratings: A Review

Christopher Hoy, Jay Stockley, Janelle Shane, Kelly Kluttz, Douglas McKnight, and Steven Serati

Crystals, vol. 11, no. 4, Art. no. 4, Apr. 2021, doi: 10.3390/cryst11040361.


Polarization gratings (PGs) enable a novel architecture for dynamic non-mechanical steering of light over large angles and with large clear apertures. This beam steering approach has many applications in active sensing and optical communications. In this review, we describe some of the defining characteristics of this beam steering architecture and highlight several applications of the technology.

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