Polca SARA – full polarization, direction-dependent calibration, and sparse imaging for radio interferometry
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz3555
Abstract: New generation of radio interferometers are envisaged to produce high quality, high dynamic range Stokes images of the observed sky from the corresponding under-sampled Fourier domain measurements. In practice, these measurements are contaminated by the… read more here.
Keywords: direction; full polarization; polarization; direction dependent ... See more keywords
Full Polarization Transformation Using Graphene in Microwave Frequencies
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2020.2963942
Abstract: Polarization manipulation plays an important role in real applications. In this article, full polarization transformation using graphene has been first achieved in microwave frequencies. Without the aid of lumped elements like varactors or p-i-n diodes… read more here.
Keywords: microwave; graphene; polarization; full polarization ... See more keywords
Hyperspectral full polarization imaging system based on spatial modulation.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.478331
Abstract: The hyperspectral full polarization imaging system (HFPIS) based on spatial modulation and liquid crystal tunable filter (LCTF) can modulate the polarization information of the target into the interferogram by means of interference imaging. It has… read more here.
Keywords: system; polarization; imaging system; hyperspectral full ... See more keywords
Measurement of full polarization states with hybrid holography based on geometric phase.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.007968
Abstract: We propose a method for measuring the full polarization states of a light field by using hybrid polarization-angular multiplexing digital holography based on geometric phase. Through acquiring the geometric phase distribution of the whole light… read more here.
Keywords: geometric phase; light field; polarization; full polarization ... See more keywords
Ultra-light planar meta-absorber with wideband and full-polarization properties.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.416245
Abstract: Absorbers have high potential application values in the military field, such as electronic screening, radar cross-section reduction and invisible cloaking. However, most methods have the defects of narrow bandwidth, low absorptivity, complex three-dimensional structure and… read more here.
Keywords: planar; polarization; meta absorber; full polarization ... See more keywords
Anti-scattering light focusing with full-polarization digital optical phase conjugation based on digital micromirror devices.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.467444
Abstract: The high resolution of optical imaging and optogenetic stimulation in the deep tissue requires focusing light against strong scattering with high contrast. Digital optical phase conjugation (DOPC) has emerged recently as a promising solution for… read more here.
Keywords: digital optical; optical phase; phase conjugation; full polarization ... See more keywords