Demonstration of 3-dimensional wide angle laser beam scanner using liquid crystals
dc.contributor.author | Khan, Sajjad A. | |
dc.contributor.author | Riza, Nabeel A. | |
dc.contributor.funder | Defense Advanced Research Projects Agency | en |
dc.date.accessioned | 2020-07-14T09:37:11Z | |
dc.date.available | 2020-07-14T09:37:11Z | |
dc.date.issued | 2004-03-08 | |
dc.date.updated | 2020-07-14T09:30:49Z | |
dc.description.abstract | Design and demonstration of a versatile liquid crystal-based scanner is shown for steering a laser beam in three dimensions. The scanner consists of a unique combination of digital and analog control polarization-based beamforming optics resulting in both continuous and random fashion beam steering. The design features a novel device biasing method, large aperture beamforming optics, low electrical power consumption, and ultra-fine as well as wide angle coarse beam steering. Demonstrations include one, two and three dimensional beam steering with a maximum of 40.92° continuous scan, all at 1550 nm. The minimum scanner aperture is 1 cm diameter and uses a combination of ferroelectric and nematic liquid crystals in addition to Rutile crystal birefringent prisms. | en |
dc.description.sponsorship | Defense Advanced Research Projects Agency (DARPA STAB program (Steered Agile Beams)) | en |
dc.description.status | Peer reviewed | en |
dc.description.version | Published Version | en |
dc.format.mimetype | application/pdf | en |
dc.identifier.citation | Khan, S. A. and Riza, N. A. (2004) 'Demonstration of 3-dimensional wide angle laser beam scanner using liquid crystals', Optics Express, 12 (55) pp. 868-882. doi: 10.1364/OPEX.12.000868 | en |
dc.identifier.doi | 10.1364/OPEX.12.000868 | en |
dc.identifier.endpage | 882 | en |
dc.identifier.issn | 1094-4087 | |
dc.identifier.issued | 55 | en |
dc.identifier.journaltitle | Optics Express | en |
dc.identifier.startpage | 868 | en |
dc.identifier.uri | https://hdl.handle.net/10468/10248 | |
dc.identifier.volume | 12 | en |
dc.language.iso | en | en |
dc.publisher | Optical Society of America | en |
dc.relation.uri | https://www.osapublishing.org/oe/abstract.cfm?uri=oe-12-5-868 | |
dc.rights | © 2004 Optical Society of America | en |
dc.subject | Optical devices | en |
dc.subject | Birefringence | en |
dc.subject | Laser beams | en |
dc.subject | Light polarization | en |
dc.subject | Liquid crystals | en |
dc.subject | Microelectromechanical devices | en |
dc.subject | Optical communication | en |
dc.subject | Beamforming optics | en |
dc.subject | Coarse beam steering | en |
dc.subject | Laser beam scanners | en |
dc.subject | Polarization-sensitive devices | en |
dc.title | Demonstration of 3-dimensional wide angle laser beam scanner using liquid crystals | en |
dc.type | Article (peer-reviewed) | en |
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