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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 12238–12248

Optical phased array using high contrast gratings for two dimensional beamforming and beamsteering

Byung-Wook Yoo, Mischa Megens, Trevor Chan, Tianbo Sun, Weijian Yang, Connie J. Chang-Hasnain, David A. Horsley, and Ming C. Wu  »View Author Affiliations


Optics Express, Vol. 21, Issue 10, pp. 12238-12248 (2013)
http://dx.doi.org/10.1364/OE.21.012238


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Abstract

We have developed a microelectromechanical system (MEMS) optical phased array incorporating a high-index-contrast subwavelength grating (HCG) for beamforming and beamsteering in a range of ± 1.26° × 1.26°. Our approach needs only a thin single-layer HCG made of silicon, considerably improving its speed thanks to the low mass, and is suitable for high optical power applications. The measured resonant frequency of HCG is 0.32 MHz.

© 2013 OSA

OCIS Codes
(110.5100) Imaging systems : Phased-array imaging systems
(230.1950) Optical devices : Diffraction gratings
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Optical Devices

History
Original Manuscript: January 2, 2013
Revised Manuscript: March 8, 2013
Manuscript Accepted: March 13, 2013
Published: May 10, 2013

Citation
Byung-Wook Yoo, Mischa Megens, Trevor Chan, Tianbo Sun, Weijian Yang, Connie J. Chang-Hasnain, David A. Horsley, and Ming C. Wu, "Optical phased array using high contrast gratings for two dimensional beamforming and beamsteering," Opt. Express 21, 12238-12248 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-10-12238


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References

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