Results 1 to 10 of about 5,766 (246)
Analysis of polarization aberrations of the off-axis pupil freeform optical system [PDF]
iScienceSummary: Freeform surfaces are widely used in off-axis pupil optical systems with large apertures, wide fields of view, and long focal lengths. Polarization effects in such systems significantly influence imaging quality.
Chenjie Gong +5 more
doaj +2 more sources
Spherical Aberration-Corrected Metalens for Polarization Multiplexed Imaging [PDF]
Nanomaterials, 2021 We present a terahertz spherical aberration-corrected metalens that uses the dynamic phase to achieve polarization multiplexed imaging. The designed metalens has polarization–dependent imaging efficiencies and polarization extinction ratios that exceed ...
Shaodong Zhou +3 more
doaj +3 more sources
Roadmap of phase transitions in hafnia-based superlattice films [PDF]
Nature CommunicationsHafnia-based ferroelectrics hold significant promise for next-generation non-volatile memory. However, their functional properties are critically limited by uncontrollable phase transitions due to the poorly understood atomistic mechanisms driving ...
Wan-Rong Geng +5 more
doaj +2 more sources
Analysis of polarization characteristics of freeform surface optical system [PDF]
ITM Web of Conferences, 2022 Freeform surfaces are widely used in off-axis optical systems with large aperture, large field of view, and long focal length. The polarization effect caused by the non-rotationally symmetrical shape has an impact on the system’s polarization imaging ...
Zhang Yilan, Shi Haodong, Jiang Huilin
doaj +1 more source
Polarization Aberration of a Non-Rotationally Symmetric Optical System With Freeform Surfaces
IEEE Access, 2021 Owing to the wide application of freeform surfaces in off-axis optical systems with large apertures, large fields of view, and long focus distances, the polarization effects caused by non-rotationally symmetrical surfaces have a significant impact on the
Yilan Zhang, Haodong Shi, Huilin Jiang
doaj +1 more source
Remote Sensing, 2022 The importance of polarization aberrations has been recognized and studied in numerous optical systems and related applications. It is known that polarization aberrations are particularly crucial in certain photogrammetry and microscopy techniques that ...
Yuanxing Shen +7 more
doaj +1 more source
Frontiers in Physics, 2022 Optical vortex (OV) beams are ideal carriers for high-capacity optical communication, and long-wave infrared (LWIR) is the ideal wavelength band for long-range optical communication.
Naitao Song +11 more
doaj +1 more source
Polarization aberration in astronomical telescopes [PDF]
SPIE Proceedings, 2015 The point spread function (PSF) for astronomical telescopes and instruments depends not only on geometric aberrations and scalar wave diffraction, but also on the apodization and wavefront errors introduced by coatings on reflecting and transmitting surfaces within the optical system.
Chipman, Russell A. +2 more
openaire +2 more sources
Birefringent coating to remove polarization aberrations
Optics Express, 2022 Polarization aberrations are found in most optical components due to a materials-differing response to s- and p-polarizations. This differing response can manifest either as diattenuation, retardance, or both. Correction of polarization aberrations, such as these, are critical in many applications such as interferometry, polarimetry, display, and high ...
Sawyer Miller, Linan Jiang, Stanley Pau
openaire +2 more sources
Opto-Electronic Advances, 2022 Imaging polarimetry is one of the most widely used analytical technologies for object detection and analysis. To date, most metasurface-based polarimetry techniques are severely limited by narrow operating bandwidths and inevitable crosstalk, leading to ...
Yaxin Zhang +12 more
doaj +1 more source