Laser-phased-array beam steering controlled by lithium niobate waveguides

A laser steering system based on the Ti-diffusion lithium niobate (LiNbO3) waveguides is presented. A phase shifter based on the LiNbO3 waveguide is designed. This waveguide can provide a continuous phase shift for laser-phased-array (LPA) by changing the voltage loaded on it. The theory of irregula...

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Bibliographic Details
Published inOptical engineering Vol. 53; no. 6; p. 061605
Main Authors Yang, Dengcai, Yang, Zuoyun, Wang, Dayong
Format Journal Article
LanguageEnglish
Published Society of Photo-Optical Instrumentation Engineers 01.06.2014
Subjects
Arrays
Beam steering
Lasers
Lithium niobates
Phase shifters
Titanium
Voltage
Waveguides
lithium niobate
beam steering
laser-phased-array
electro-optic effect
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ISSN0091-3286
1560-2303
DOI10.1117/1.OE.53.6.061605

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Summary:A laser steering system based on the Ti-diffusion lithium niobate (LiNbO3) waveguides is presented. A phase shifter based on the LiNbO3 waveguide is designed. This waveguide can provide a continuous phase shift for laser-phased-array (LPA) by changing the voltage loaded on it. The theory of irregular LPA based on the Ti-diffusion LiNbO3 waveguide phase shifter is studied numerically and experimentally. Beam steering with an angle of 1.37 deg is gained by a 1×3 array setup that agrees well with the theory.
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ISSN:0091-3286
1560-2303
DOI:10.1117/1.OE.53.6.061605