Results 281 to 290 of about 9,331 (329)
Multifunction plasma genus holographic antenna for near/far-field focusing using a single structure. [PDF]
Sci RepEltresy NA +3 more
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Optical phased arrays for wavefront shaping in forward scattering media. [PDF]
NanophotonicsMilojković F +5 more
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Dynamic caustics by ultrasonically modulated liquid surface. [PDF]
Sci RepNagakura K +3 more
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High-resolution arrayed waveguide grating-assisted passive optical phased array for 2D beam steering
Yuan. Liu +6 more
openalex +1 more source
Complementary and asymmetric tapered bent mid-infrared waveguide arrays for subwavelength-pitch integration and crosstalk minimization. [PDF]
Sci RepZafar H, Pereira MF.
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Optical phased array technology
Proceedings of the IEEE, 1996Optical phased arrays represent an enabling new technology that makes possible simple affordable, lightweight, optical sensors offering very precise stabilization, random-access pointing programmable multiple simultaneous beams, a dynamic focus/defocus capability, and moderate to excellent optical power handling capability.
Paul F. McManamon +10 more
exaly +2 more sources
IETE Journal of Research, 1999
This paper presents the case of an optical phased array in analogy with its counterpart in the microwave frequency region. It consists of a planar aperture array formed by the discrete illuminated core ends of a number of monomode optical fibres placed adjacent to each other in several rows.
G S Sanyal
exaly +2 more sources
This paper presents the case of an optical phased array in analogy with its counterpart in the microwave frequency region. It consists of a planar aperture array formed by the discrete illuminated core ends of a number of monomode optical fibres placed adjacent to each other in several rows.
G S Sanyal
exaly +2 more sources
Optical phased array with on-chip phase calibration
Optics Letters, 2022Optical phased arrays (OPAs) with phase-monitoring and phase-control capabilities are necessary for robust and accurate beamforming applications. This paper demonstrates an on-chip integrated phase calibration system where compact phase interrogator structures and readout photodiodes are implemented within the OPA architecture. This enables phase-error
Mathias Prost +9 more
openaire +2 more sources
Applied Optics, 2014
We demonstrate a ladar with 0.5 m class range resolution obtained by integrating a continuous-wave optical phased-array transmitter with a Geiger-mode avalanche photodiode receiver array. In contrast with conventional ladar systems, an array of continuous-wave sources is used to effectively pulse illuminate a target by electro-optically steering far ...
Juan, Montoya +3 more
openaire +2 more sources
We demonstrate a ladar with 0.5 m class range resolution obtained by integrating a continuous-wave optical phased-array transmitter with a Geiger-mode avalanche photodiode receiver array. In contrast with conventional ladar systems, an array of continuous-wave sources is used to effectively pulse illuminate a target by electro-optically steering far ...
Juan, Montoya +3 more
openaire +2 more sources