High linear polarization of photoluminescence of GaInP epilayers at low temperature
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2019.04.033
Abstract: Abstract Polarization of the photoluminescence (PL) emission depends on the crystal symmetry. The change of temperature results in elastic strain modification. Here we study temperature dependence of the linear polarization of the PL emission from… read more here.
Keywords: polarization photoluminescence; linear polarization; temperature; low temperature ... See more keywords
Optical and near-infrared linear polarization of low and intermediate-gravity ultra-cool dwarfs
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stw3278
Abstract: We aim to study the optical and near-infrared linear polarimetric properties of a sample of young M7-L7 dwarfs ($\approx$1-500 Myr) with spectroscopic signatures of low- and intermediate-gravity atmospheres. We collected optical ($RIZ$) and near-infrared ($YJHK_{\rm… read more here.
Keywords: dwarfs; linear polarization; near infrared; gravity ... See more keywords
Time-resolved image polarimetry of TRAPPIST-1 during planetary transits
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society: Letters"
DOI: 10.1093/mnrasl/slz001
Abstract: We obtained linear polarization photometry ($J$-band) and low-resolution spectroscopy ($ZJ$-bands) of Trappist-1, which is a planetary system formed by an M8-type low-mass star and seven temperate, Earth-sized planets. The photopolarimetric monitoring campaign covered 6.5 h… read more here.
Keywords: trappist planetary; linear polarization; resolved image; time resolved ... See more keywords
Ablation of (111) and (001) Crystal Plates by Ultrashort Laser Pulses with Rotated Linear Polarization
Sign Up to like & getrecommendations! Published in 2021 at "JETP Letters"
DOI: 10.1134/s0021364021150054
Abstract: The dependence of the threshold fluence for surface ablation of such crystalline materials as silicon and diamond (with orientations (001) and (111)) on the direction of linear polarization of ultrashort pulses of different duration (0.3–3.3… read more here.
Keywords: ultrashort laser; linear polarization; polarization; laser pulses ... See more keywords
Computations of the Degree of Linear Polarization in the Hα Line in Chromospheric Flares in the Presence of Electron-Collisional Excitation
Sign Up to like & getrecommendations! Published in 2019 at "Astronomy Reports"
DOI: 10.1134/s1063772919110064
Abstract: A new approach to the use of analytical computations of the linear polarization in the Hα line generated by fluxes of accelerated electrons during solar flares is presented. The model for the electron distribution function… read more here.
Keywords: degree linear; linear polarization; polarization line; polarization ... See more keywords
Calculation of the Linear Polarization Degree of the Proton-Induced Hα Line Emission in Solar Flares
Sign Up to like & getrecommendations! Published in 2021 at "Astronomy Reports"
DOI: 10.1134/s1063772921040065
Abstract: This paper presents an original analytical calculation of the linear polarization degree of Hα lines caused by anisotropic protons during solar flares, when the temperature of thermal protons in the solar chromosphere is higher than… read more here.
Keywords: protons solar; polarization degree; linear polarization; solar flares ... See more keywords
Polarimetric photoluminescence microscope for strain imaging on semiconductor devices.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.449825
Abstract: Anisotropic strain induces a partial linear polarization of the photo-luminescence (PL) emitted by cubic semiconductor crystals such as GaAs or InP. This paper thus presents a polarimetric PL microscope dedicated to the characterization of semiconductor… read more here.
Keywords: linear polarization; anisotropic strain; semiconductor devices; microscope ... See more keywords
Focus shaping by tailoring arbitrary hybrid polarization states that have a combination of orthogonal linear polarization bases.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.003047
Abstract: We report a focus shaping method by tailoring hybrid states of polarization of arbitrary polarized beams that have a combination of orthogonal linear polarization bases. Such hybridly polarized beams comprising linear, elliptical, and circular polarizations… read more here.
Keywords: orthogonal linear; linear polarization; polarization; focus shaping ... See more keywords
Ghost imaging utilizing experimentally acquired degree of linear polarization with no prior information.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.028457
Abstract: Ghost imaging is developed to obtain images of the objects based on intensity correlation of illumination patterns. However, it can be hard to distinguish between objects if the difference between their reflectivities is small. Considering… read more here.
Keywords: linear polarization; imaging utilizing; polarization; degree linear ... See more keywords
Diffraction characteristics of a linear polarization hologram in coaxial recording.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.416444
Abstract: Diffraction characteristics of polarization holograms have important research significance and application prospects. In this paper, the Tensor theory was used to investigate the diffraction characteristics of a linear polarization hologram in a coaxial recording. The… read more here.
Keywords: linear polarization; polarization; characteristics linear; coaxial recording ... See more keywords
Electrotunable 180° achromatic linear polarization rotator based on a dual-frequency liquid crystal.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.447256
Abstract: Linear polarization rotators have been widely used in optical systems. Commonly used polarization rotators are still beset by strong dispersion and thus restricted spectral bandwidth of operation. This leads to the development of achromatic or… read more here.
Keywords: linear polarization; dual frequency; liquid crystal; polarization rotator ... See more keywords