Results 11 to 20 of about 69,618 (273)
Hybrid POF/VLC Links Based on a Single LED for Indoor Communications
Photonics, 2021 A hybrid fiber/wireless link based on a single visible LED and free of opto-electronic intermediate conversion stages has been demonstrated for indoor communications.
Juan Andrés Apolo +2 more
doaj +1 more source
High-performance γ-MnO2 Dual-Core, Pair-Hole Fiber for Ultrafast Photonics
Ultrafast 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
Optical Graphene Gas Sensors Based on Microfibers: A Review
Sensors, 2018 Graphene has become a bridge across optoelectronics, mechanics, and bio-chemical sensing due to its unique photoelectric characteristics. Moreover, benefiting from its two-dimensional nature, this atomically thick film with full flexibility has been ...
Yu Wu +3 more
doaj +1 more source
Photoacoustics, 2022 In this paper, a highly sensitive and integrated near-infrared CO2 sensor was developed based on quartz-enhanced photoacoustic spectroscopy (QEPAS).
Yihua Liu +9 more
doaj +1 more source
Bidirectional link mock-up for avionics applications [PDF]
, 2008 Copper-based networks have been extensively employed on aircraft to ensure the avionics data-communications. Since the Airbus A380 development, Avionic Data Communication Network (ADCN) has been implemented to ensure transmissions between avionic ...
A. Rissons +5 more
core +1 more source
Photoacoustics, 2022 In this paper, an on-beam quartz-enhanced photoacoustic spectroscopy (QEPAS) sensor based on a custom quartz tuning fork (QTF) acting as a photoacoustic transducer, was realized and tested. The QTF is characterized by a resonance frequency of 28 kHz, ~15%
Haoyang Lin +12 more
doaj +1 more source
Cascading nonlinearities in an organic single crystal core fiber: The Cerenkov regime [PDF]
, 1994 The large nonlinear phase shifts imparted to the fundamental beam during Cerenkov second harmonic generation (SHG) in a DAN, 4-(N,N-dimethylamino)-3-acetamidonitrobenzene, single crystal core fiber are explained and modelled numerically.
Kim, Dug Y. +6 more
core +3 more sources
Fiber-Optic Raman Spectrum Sensor for Fast Diagnosis of Esophageal Cancer
Photonic Sensors, 2018 A fiber-optic Raman spectrum sensor system is used for the fast diagnosis of esophageal cancer during clinical endoscopic examination. The system contains a 785 nm exciting laser, a Raman fiber-optic probe with 7 large core fibers and a focus lens, and a
Jianhua Dai +10 more
doaj +1 more source
Small UAS Online Audio DOA Estimation and Real-Time Identification Using Machine Learning
Sensors, 2022 The wide range of unmanned aerial system (UAS) applications has led to a substantial increase in their numbers, giving rise to a whole new area of systems aiming at detecting and/or mitigating their potentially unauthorized activities.
Alexandros Kyritsis +2 more
doaj +1 more source
Optical flyways for handling elephant flows to improve big data performance in SDN enabled Datacenters [PDF]
, 2016 The effect of different high-volume traffic on big data applications impose stringent requirements on networks. We investigate drawbacks of segregating big data and elephant flows and propose ways to address the problem using optical network. OCIS codes:
Channegowda, Mayur +3 more
core +2 more sources