3-D printed THz q-plate with a fixed rate of change of the optical axis
2022 47TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ 2022)（2022）
摘要
We report the design and test of a THz dielectric q-plate realizing a fixed rate of change of the optical axis. The device consists of space-variant birefringent slabs manufactured by 3D printing using melt extruded ABS (Acrylonitrile Butadiene Styrene). The full position-dependent electric field of the THz beam propagating through the q-plate is obtained by measuring the THz time domain signal with a standard raster scan imaging routine. The E-field azimuthal and radial wave front patterns are successfully acquired from the realized q-plate.
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关键词
optical axis,THz dielectric q-plate,space-variant birefringent slabs,3D printing using melt,Acrylonitrile Butadiene Styrene,position-dependent electric field,THz beam,THz time domain signal,standard raster scan imaging routine,radial wave front patterns,realized q-plate
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