Results 21 to 30 of about 1,199,811 (345)
Non-Hermitian Multimode Interference [PDF]
Opt. Lett. 45, 1962-1965 (2020), 2020 Multi-mode interference (MMI) and self-imaging are important phenomena of diffractive wave optics with major applications in optical signal processing, beam shaping and optical sensing. Such phenomena generally arise from interference of normal modes in lossless dielectric guiding structures, however the impact of spatially-inhomogeneous optical gain ...
arxiv +1 more source
Inverse design enables large-scale high-performance meta-optics reshaping virtual reality [PDF]
Nature Communications, 2021 Meta-optics has achieved major breakthroughs in the past decade; however, conventional forward design faces challenges as functionality complexity and device size scale up.
Zhaoyi Li +5 more
semanticscholar +1 more source
Three-Dimensional Chirped High-Contrast Grating Hollow-Core Waveguide
IEEE Photonics Journal, 2012 A 3-D chirped high-contrast grating hollow-core waveguide (HCG-HW) exhibits highly efficient 2-D (transverse and lateral) light confinement. Compared with step-index ones, laterally chirped HCG-HWs (graded index) can pronouncedly reduce the propagation ...
Yang Yue +10 more
doaj +1 more source
MICADO: the E-ELT adaptive optics imaging camera [PDF]
Astronomical Telescopes + Instrumentation, 2010 MICADO is the adaptive optics imaging camera for the E-ELT. It has been designed and optimised to be mounted to the LGS-MCAO system MAORY, and will provide diffraction limited imaging over a wide (~1 arcmin) field of view.
R. Davies +47 more
semanticscholar +1 more source
Artificial Intelligence in Meta-optics
Chemical Reviews, 2022 Recent years have witnessed promising artificial intelligence (AI) applications in many disciplines, including optics, engineering, medicine, economics, and education.
M. Chen +3 more
semanticscholar +1 more source
Optical Coatings as Mirrors for Optical Diagnostics [PDF]
Journal of Coating Science and Technology, 2016 The aim of this work was to provide a comprehensive insight concerning coated films which might be used for first mirrors in ITER. The influence of the mirror crystallite size has been addressed as well as the coating techniques to provide nanocrystalline films. Tests of coated mirrors both in laboratories and in tokamaks are reviewed.
Marot, L. +7 more
openaire +5 more sources
An ANN-Based Smart Tomographic Reconstructor in a Dynamic Environment
Sensors, 2012 In astronomy, the light emitted by an object travels through the vacuum of space and then the turbulent atmosphere before arriving at a ground based telescope.
Francisco J. de Cos Juez +3 more
doaj +1 more source
CleAir Monitoring System for Particulate Matter: A Case in the Napoleonic Museum in Rome
Sensors, 2017 Monitoring the air particulate concentration both outdoors and indoors is becoming a more relevant issue in the past few decades. An innovative, fully automatic, monitoring system called CleAir is presented.
Eugenio Fazio +5 more
doaj +1 more source
Bacteria Inside Semiconductors as Potential Sensor Elements: Biochip Progress
Sensors, 2014 It was discovered at the beginning of this Century that living bacteria—and specifically the extremophile Pseudomonas syzgii—could be captured inside growing crystals of pure water-corroding semiconductors—specifically germanium—and thereby initiated ...
Vasu R. Sah, Robert E. Baier
doaj +1 more source
Darkfield colors from multi-periodic arrays of gap plasmon resonators
Nanophotonics, 2020 We present results on colors of metal disk arrays viewed under a darkfield microscope and show that the darkfield colors can be manipulated independently of the brightfield colors.
Ng Ray Jia Hong +3 more
doaj +1 more source