Alternative method for measuring the phase retardation and fast axis of a wave plate
Sign Up to like & getrecommendations! Published in 2019 at "Optical Review"
DOI: 10.1007/s10043-019-00546-y
Abstract: An alternative method is proposed for simultaneously measuring the phase retardation and fast axis angle of a wave plate by utilizing a radially polarized symmetric light beam. A horizontal polarized laser is passed through a… read more here.
Keywords: retardation fast; wave plate; alternative method; phase retardation ... See more keywords
Measuring phase retardation of wave plate based on normalized polarization modulation and error analysis
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2017.10.098
Abstract: Abstract An optimized method is employed for measuring the phase retardation of wave plate based on normalized polarization modulation technique. Using the zero-order quartz quarter wave plate as the testing sample, the main factors that… read more here.
Keywords: retardation wave; wave plate; plate; phase retardation ... See more keywords
Highly efficient birefringent quarter-wave plate based on all-dielectric metasurface and graphene
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.03.018
Abstract: Abstract All-dielectric metasurfaces offer remarkable properties including high efficiency and flexible control of the optical response. However, extreme, narrow bandwidth is a limitation that lowers applicability of these structures in photonic sensing applications. In this… read more here.
Keywords: graphene; wave plate; dielectric metasurface; quarter wave ... See more keywords
Quarter-wave plate metasurfaces on electromagnetically thin polyimide substrates
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5132716
Abstract: We experimentally demonstrate that electromagnetically thin polyimide substrates can mitigate substrate-induced detrimental effects to the performance of metallic metasurfaces. A planar quarter-wave plate for the microwave K-band is fabricated on a polyimide substrate of deep… read more here.
Keywords: electromagnetically thin; wave plate; quarter wave; polyimide substrates ... See more keywords
Linear phase delay detection method for optical voltage transformer based on S-wave plate
Sign Up to like & getrecommendations! Published in 2021 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/abf8ee
Abstract: To achieve linear measurement of electro-optic phase delay and improve the accuracy and measurement range of the optical voltage transducer (OVT), this paper proposes a linear phase delay detection method for an optical voltage transformer… read more here.
Keywords: optical voltage; phase; phase delay; wave plate ... See more keywords
Reconfigurable Terahertz Quarter-Wave Plate for Helicity Switching Based on Babinet Inversion of an Anisotropic Checkerboard Metasurface
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.11.044008
Abstract: Dynamic helicity switching by utilizing metasurfaces is challenging because it requires deep modulation of polarization states. To realize such helicity switching, this paper proposes a dynamic metasurface functioning as a switchable quarter-wave plate, the fast… read more here.
Keywords: metasurface; wave plate; quarter wave; helicity ... See more keywords
Single-layer all-dielectric quarter-wave plate and half-wave plate metasurfaces for polarization conversion in the visible light region
Sign Up to like & getrecommendations! Published in 2022 at "Optical Engineering"
DOI: 10.1117/1.oe.61.2.025104
Abstract: Abstract. Metasurfaces have the characteristics of ultra-thin volume, light weight, and planar structure, which can also effectively control the polarization state of electromagnetic waves. We propose single-layer all-dielectric quarter-wave plate (QWP) and half-wave plate (HWP)… read more here.
Keywords: wave plate; polarization; polarization conversion; single layer ... See more keywords
Full polarization states modulating via an ultra-thin quarter-wave plate
Sign Up to like & getrecommendations! Published in 2021 at "European Physical Journal D"
DOI: 10.1140/epjd/s10053-021-00104-9
Abstract: We theoretically and numerically demonstrate a design of an ultra-thin quarter-wave plate (QWP) based on plasmonic metasurface. With the designed QWP, the ellipticity of the output light can be generalized as X $$=$$ 2sin( $$\theta… read more here.
Keywords: ultra thin; thin quarter; wave plate; quarter wave ... See more keywords
Broadband switchable terahertz half-/quarter-wave plate based on metal-VO2 metamaterials.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.406006
Abstract: We propose a metal-vanadium dioxide (VO2) metamaterial with broadband and functionality-switchable polarization conversion in the terahertz regime. Simulation results show that the function of the proposed metamaterial can be switched from a half-wave plate (HWP)… read more here.
Keywords: metal; wave plate; quarter wave; plate ... See more keywords
Function switchable broadband wave plate based on the Au-VO2 hybrid metasurface.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.471657
Abstract: In recent years, the integration of active materials into a metasurface to achieve tunable devices has attracted much attention. Here, we design an Au-VO2 hybrid metasurface, which can switch between quarter-wave plate and half-wave plate… read more here.
Keywords: wave plate; plate; hybrid metasurface; vo2 hybrid ... See more keywords
Broadband terahertz half-wave plate based on anisotropic polarization conversion metamaterials
Sign Up to like & getrecommendations! Published in 2017 at "Optical Materials Express"
DOI: 10.1364/ome.7.000977
Abstract: We propose a half wave plate in the terahertz region to realize broadband linear polarization conversion in the reflection mode through anisotropic metamaterials. The structure of this design is composed of two pairs of patches… read more here.
Keywords: polarization; conversion; wave plate; polarization conversion ... See more keywords