Results 11 to 20 of about 44,375 (254)

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

Remote-controlled optics experiment for supporting senior high school and undergraduate teaching [PDF]

open access: yes, 2023
14th Conference on Education and Training in Optics and Photonics, ETOP 2017, 16 Aug. 2017, Hangzhou, China202308 bcvcVersion of RecordOthersThe Hong Kong Polytechnic University; The Quality Education FundPublishedVoR ...
Choy, SH, Leung, CW, Mak, CL, Jim, KL
core   +1 more source

Optics in Our Time [PDF]

open access: yes, 2016
Optics, Lasers, Photonics, Optical Devices; Quantum Optics; Popular Science in Physics; History and Philosophical Foundations of ...

core   +1 more source

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  

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

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

Double-frequency grating shearing interferometer with built-in phase-shifting function for robust multi-level phase retrieval

open access: yesScientific Reports, 2022
In this paper, we propose and demonstrate a novel interferometer and signal process to retrieve two-dimensional signals with multilevel phases. The interferometer is based on a shearing interferometry with double-frequency grating, and phase-shifting ...
Yeh-Wei Yu   +3 more
doaj   +1 more source

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