Results 21 to 30 of about 17,667 (256)

Improving the reliability of pulsed laser rangefinder and infrared devices of homing and surveillance by final electron beam processing of their optical components

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2017
To prevent the negative impact of external thermal actions on reliability of devices for measurement and thermal testing of objects of various physical nature the practical importance has electron beam processing of surfaces of optical elements has ...
Iрина В'ячиславівна Яценко   +2 more
doaj   +5 more sources

Manufacturing Optically Transparent Thick Zirconia Ceramics by Spark Plasma Sintering with the Use of Collector Pressing

open access: yesApplied Sciences, 2021
The efficiency of using the collector pressing scheme in the Spark Plasma Sintering (SPS) process has been confirmed in improving the optical, physical, and mechanical properties of yttria-stabilized zirconia (YSZ) ceramics with an increased shape factor.
Vladimir Paygin   +9 more
doaj   +1 more source

Improvement of surface layers properties of precision engineering elements of optical ceramics by preliminary electron-beam surfacing

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2016
To prevent destruction of the elements made of optical ceramics the practical importance has the preliminary electron-beam treatment of their surfaces during the manufacturing stage of devices based on them.
Iрина В'ячиславівна Яценко
doaj   +7 more sources

High electrocaloric effect in barium titanate-sodium niobate ceramics with core-shell grain assembly

open access: yesJournal of Materiomics, 2020
Electrocaloric effect (ECE) is promising in realizing solid-state cooling as an alternative to the conventional refrigeration with environmentally harmful coolant and low efficiency.
Chao Zhang   +9 more
doaj   +1 more source

Optical properties of base dentin ceramics for all-ceramic restorations

open access: yesDental Materials, 2011
The study was conducted to compare the optical parameters of VM7(®) M-shade base dentin ceramics (VITA, Germany) for all ceramic restorations to the chemical composition across the 3D-MASTER(®) shade system.Three disc samples, 13 mm diameter and 1.4 mm thickness, were produced for each M-shade following the manufacturer's instructions.
Takanobu, Shiraishi   +3 more
openaire   +3 more sources

Highly selective photonic glass filter for saturated blue structural color

open access: yesAPL Photonics, 2019
Angle independent non-absorbing spectral filters are required for many applications such as sunscreens, structural colors, photovoltaics, and radiative cooling.
Guoliang Shang   +6 more
doaj   +1 more source

A large-area AgNW-modified textile with high-performance electromagnetic interference shielding

open access: yesnpj Flexible Electronics, 2020
Manufacturing a flexible, light, large-area, and high-efficiency electromagnetic shielding materials in a straightforward and cost-effective manner presently remains a significant challenge. In this work, we propose a conductive network design and verify
Junchen Liu   +10 more
doaj   +1 more source

Counterfeit band gaps caused by microstructural voids in photo-ferroelectric ceramics

open access: yesOpen Ceramics, 2021
In recent years, conventional wide band gap ferroelectric ceramics have been engineered by doping to obtain reduced band gaps. The band gaps in these engineered ceramics are usually determined according to the optical absorption measurement.
Yang Bai
doaj   +1 more source

Optical properties of transparent ceramics under shock compression: Correlation mechanism and design strategies [PDF]

open access: yesMatter and Radiation at Extremes
Over the past several decades, much research effort has been dedicated to the study of optical windows, with two primary themes emerging as key focuses.
Xiuxia Cao   +6 more
doaj   +1 more source

Progress in Transparent Nano-Ceramics and Their Potential Applications

open access: yesNanomaterials, 2022
Transparent nano-ceramics have an important high-transmittance, material-integrating structure and function and a variety of potential applications, such as use in infrared windows, optical isolators, composite armors, intelligent terminal screens, and ...
Wuyi Ming   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy