Results 1 to 10 of about 40,613 (219)
Design concepts for broadband high–efficiency DOEs [PDF]
Journal of the European Optical Society-Rapid Publications, 2008 Several design–concepts are presented for so–called efficiency achromatized diffractive optical elements (EA–DOEs) possessing a diffraction efficiency larger than 97% over a broad spectral range.
Kleemann B. H., Seeßelberg M., Ruoff J.
doaj +1 more source
The Opto-Electronic Functional Devices Based on Three-Dimensional Lead Halide Perovskites
Applied Sciences, 2021 These days, opto-electronic functional devices based on three-dimensional lead halide perovskites (LHPs) are emerging. LHPs could be spin-coated to other materials, making it very convenient to combine LHPs with different categories of materials ...
Henan Liu +3 more
doaj +1 more source
Mala'ik Al-Tuhfat; Study of the Angels' Presence in the Lithographed Copies of Tuhfat Al-Majalis [PDF]
Jilvah-i hunar, 2019 Lithography was created as a result of the development of literacy and the need for access to cheap reading sources affordable to everyone. The illustrations of the lithographed books, as a medium for the portrayal of popular art, add social aspects to ...
Maryam Yaghmaeian
doaj +1 more source
Results in Physics, 2020 In this study, Cu2ZnSnS4 (CZTS) nanoparticles with an average size in a range of 10–36 nm were synthesized via solvothermal synthesis using different amounts of polyvinylpyrrolidone (PVP, 3, 5, 7, and 9 mg/mL) stabilizing agent.
E.M. Mkawi +3 more
doaj +1 more source
A Simple Method for Fabricating Ink Chamber of Inkjet Printheads
Micromachines, 2022 The process of fabricating chambers is becoming more important for inkjet printheads. However, there are some problems with the majority of present fabrication methods, such as nozzle structural deformation, blocked chambers, and collapsed chambers.
Zheguan Huang +5 more
doaj +1 more source
Electrodeposition as a Tool for Nanostructuring Magnetic Materials
Micromachines, 2022 Electrodeposition has appeared in the last year as a non-expensive and versatile technique for the growth of nanomaterials. We review the main characteristics of electrodeposition that make this technique very suitable for its combination with different ...
Sandra Ruiz-Gómez +2 more
doaj +1 more source
IEEE Access, 2023 Interdigitated capacitive (IDC) sensors have been extensively researched for human-machine interfaces (HMIs) due to consistent response and easy manufacturing.
Muhammad Qasim Mehmood +7 more
doaj +1 more source
Frontiers in Bioengineering and Biotechnology, 2023 Micro- and nano-plastics (MNPs) are global contaminants of growing concern to the ecosystem and human health. In-the-field detection and identification of environmental micro- and nano-plastics (e-MNPs) is critical for monitoring the spread and effects ...
Sihai Luo +2 more
doaj +1 more source
Innovative design of a transmission mechanism for variable speed wind turbines
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2015 An innovative transmission mechanism, referred to here as an independently controllable transmission (ICT), for application in variable speed wind turbines is described.
Guan-Shyong HWANG, Chung-Chi LIN
doaj +1 more source
Temperature Fluctuation Attenuation of Circulating Cooling Water Using Dynamic Thermal Filtering
Applied Sciences, 2020 The Demand for circulating cooling water (CCW) with high temperature stability and a quick response to temperature control is essential for precision engineering, so a dynamic thermal filtering method is proposed in this paper.
Yesheng Lu +4 more
doaj +1 more source