Results 11 to 20 of about 3,088 (203)

Study of banana preservation extension by UVC radiation in precise monitoring LED irradiation cavity

open access: yesScientific Reports, 2022
Ultraviolet C (UVC) radiation has been considered a possible option to alleviate the seriousness of black spots on bananas during preservation which help increase economic efficiency.
Thi-Thu-Ngoc Le   +7 more
doaj   +1 more source

High-operating-temperature mid-infrared photodetectors via quantum dot gradient homojunction

open access: yesLight: Science & Applications, 2023
Colloidal quantum dot gradient homojunction would effectively improve the detectivity of mid-infrared photodetector at high-operating temperatures, motivating interest in low-cost, solution-processed and high-performance mid-infrared photodetection.
Xiaomeng Xue   +5 more
doaj   +1 more source

Universal orbital angular momentum spectrum analyzer for beams

open access: yesPhotoniX, 2020
The orbital angular momentum (OAM) of beams provides a new dimension, and have already found lots of applications in various domains. Among such applications, the precisely and quantitatively diagnostic of intensity distributions among different OAM ...
Shiyao Fu   +6 more
doaj   +1 more source

The role of tungsten oxide in Er3+-doped bismuth-germanate glasses for optical amplification in L-band

open access: yesScientific Reports, 2023
A series of novel Er3+-doped bismuth-germanate glasses containing different tungsten concentrations with a molar composition of 97.5[(75 − x)GeO2–25Bi2O3–(x)WO3]–2Sb2O3–0.5Er2O3 (x = 5, 10, 15, 20, and 25 mol%) were fabricated.
Hüseyin Can Çamiçi   +5 more
doaj   +1 more source

Femtosecond tunable solitons up to 4.8  µm using soliton self-frequency shift in an InF3 fiber

open access: yesScientific Reports, 2022
A tunable ultrashort soliton pulse source reaching up to 4.8 µm is demonstrated based on a 2.8 µm femtosecond fiber laser coupled to a zirconium fluoride fiber amplifier followed by a small core indium fluoride fiber.
Jean-Christophe Gauthier   +5 more
doaj   +1 more source

High-performance γ-MnO2 Dual-Core, Pair-Hole Fiber for Ultrafast Photonics

open access: yesUltrafast Science, 2023
Manganese dioxide (MnO2) is a widely used and well-studied 3-dimensional (3D) transition metal oxide, which has advantages in ultrafast optics due to large specific surface area, narrow bandgap, multiple pores, superior electron transfer capability, and ...
Xiaohui Li   +12 more
doaj   +1 more source

Graphene photonics for optical communications [PDF]

open access: yesBroadband Access Communication Technologies XIII, 2019
Graphene is a post-processed single platform compliant with silicon photonics or other platforms based on passive waveguides. Results on high speed optical modulators on both SOI and SiN and large bandwidth detectors are reported.
openaire   +2 more sources

Augmented reality and virtual reality displays: emerging technologies and future perspectives

open access: yesLight: Science & Applications, 2021
Emerging holographic optical elements and lithography-based devices are enhancing the performances of augmented reality and virtual reality displays with glasses-like form factor.
Jianghao Xiong   +4 more
doaj   +1 more source

PHOTONICS AND OPTICAL INFORMATICS IN EUROPE: TRENDS OF 2003–2013 [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2014
Retrospective structure analysis of the European scientific and technological platforms – photonics, nanomaterials and photovoltaics – is represented from the point of view of their structure, interpenetration of subjects and dynamics of the changes ...
I. L. Livshits   +5 more
doaj  

Antireflection of optical anisotropic dielectric metasurfaces

open access: yesScientific Reports, 2023
We propose a hetero-nano-fin structure to further improve the efficiency of Pancharatnam–Berry phase metasurfaces. Two hetero-nano-fin types, MgF2/GaN and MgF2/Nb2O5, were investigated.
Yu-Hsuan Liao   +3 more
doaj   +1 more source

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