Efficient Achromatic Broadband Focusing and Polarization Manipulation of a Novel Designed Multifunctional Metasurface Zone Plate [PDF]
Nanomaterials, 2021 In this paper, comprehensively utilizing the diffraction theory and electromagnetic resonance effect is creatively employed to design a multifunctional metasurface zone plate (MMZP) and achieve the control of polarization states, while maintaining a ...
Shaobo Ge +8 more
doaj +2 more sources
Miniaturized Sulfite-Based Gold Bath for Controlled Electroplating of Zone Plate Nanostructures [PDF]
Micromachines, 2022 X-ray zone plates made from gold are common optical components used in X-ray imaging experiments. These nanostructures are normally fabricated using a combination of electron-beam lithography and gold electroplating with cyanide gold baths. In this study,
Hanna Ohlin +3 more
doaj +2 more sources
Trapezoid-kinoform zone plate lens – a solution for efficient focusing in hard X-ray optics [PDF]
Journal of Synchrotron Radiation, 2022 X-ray microscopes are powerful tools in the nano-inspection of materials owing to their ultra-high resolution at the molecular level. However, the focusing efficiency of binary zone plate lenses as key components in such probes is merely 5% in practice ...
Xujie Tong +9 more
doaj +2 more sources
High-efficiency focusing and imaging by dielectric kinoform zone plate lenses with soft X-rays [PDF]
Journal of Synchrotron Radiation, 2023 With fast advances in enhancing the focusing/imaging resolution of Fresnel zone plate lenses toward sub-10 nm, low diffraction efficiency in connection with their rectangular zone shape still remains a big issue in both soft and hard X-ray microscopy. In
Xujie Tong +9 more
doaj +2 more sources
An Out-of-Plane Operated Soft Engine Driving Stretchable Zone Plate for Adjusting Focal Point of an Ultrasonic Beam [PDF]
Sensors, 2019 This paper presents a soft engine which performs up-and-down motion with four planar film-structured ionic polymer—metal composites (IPMC) actuators. This soft engine assembled with a stretchable Fresnel zone plate is capable of tuning the focus of
Guo-Hua Feng, Hong-Yu Liu
doaj +2 more sources
Pinhole Zone Plate Lens for Ultrasound Focusing [PDF]
Sensors, 2017 The focusing capabilities of a pinhole zone plate lens are presented and compared with those of a conventional Fresnel zone plate lens. The focusing properties are examined both experimentally and numerically.
Constanza Rubio +5 more
doaj +2 more sources
Finite element analysis comparison between superior clavicle locking plate with and without screw holes above fracture zone in midshaft clavicular fracture [PDF]
BMC Musculoskeletal Disorders, 2019 Background Midshaft clavicular fractures are common fractures and generally treated conservatively. Among the surgical options, plate fixation is the most popular and has been biomechanically and clinically proven in numerous studies.
Nachapan Pengrung +4 more
doaj +2 more sources
Composite Spiral Zone Plate [PDF]
IEEE Photonics Journal, 2019 A new kind of optical element, i.e., composite spiral zone plate (CSZP), is proposed to generate a twin-vortex beam along the optic axis in this paper. The axial diffraction property of the CSZP is analyzed theoretically and experimentally.
Shubo Cheng +5 more
doaj +2 more sources
Design of Acoustical Bessel-Like Beam Formation by a Pupil Masked Soret Zone Plate Lens [PDF]
Sensors, 2019 The image performance of acoustic and ultrasound sensors depends on several fundamental parameters such as depth of focus or lateral resolution. There are currently two different types of acoustic diffractive lenses: those that form a diffraction-limited
Daniel Tarrazó-Serrano +5 more
doaj +2 more sources
Polarization-Independent Metasurface Lens Based on Binary Phase Fresnel Zone Plate. [PDF]
Nanomaterials (Basel), 2020 Baine J, Tang J, Li X.
europepmc +3 more sources