The use of a deformable photonic crystal for millimeter-wave beam steering

Shawn Yu Lin; Zu-Po Yang; Mingfeng Chen; James A. Bur; A. Levitan; Lester H. Kosowsky

doi:10.1063/1.2837620

The use of a deformable photonic crystal for millimeter-wave beam steering

Shawn Yu Lin^*, Zu-Po Yang, Mingfeng Chen, James A. Bur, A. Levitan, Lester H. Kosowsky

^*Corresponding author for this work

Institute of Photonic System

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

A deformable photonic band gap (PBG) material is theoretically proposed as a transmissive element for beam steering at 77 GHz. The deformation may be achieved by integrating microsprings (as spacers) into a one-dimensional PBG structure. This PBG material can produce a specific phase shift dependent on its spacer thickness. By varying the spacer thickness, we generate a continuous phase gradient across the element. Such a PBG device is experimentally realized, capable of beam deflection of up to ±15° and suitable for beam scanning for smart automobile radar application.

Original language	English
Article number	031112
Journal	Applied Physics Letters
Volume	92
Issue number	3
DOIs	https://doi.org/10.1063/1.2837620
State	Published - 1 Feb 2008

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abstract = "A deformable photonic band gap (PBG) material is theoretically proposed as a transmissive element for beam steering at 77 GHz. The deformation may be achieved by integrating microsprings (as spacers) into a one-dimensional PBG structure. This PBG material can produce a specific phase shift dependent on its spacer thickness. By varying the spacer thickness, we generate a continuous phase gradient across the element. Such a PBG device is experimentally realized, capable of beam deflection of up to ±15° and suitable for beam scanning for smart automobile radar application.",

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