Results 21 to 30 of about 593,815 (289)
Fiber-laser-based, high-repetition-rate, picosecond ultraviolet source tunable across 329-348 nm [PDF]
, 2016 We report a compact, fiber-laser-based, high-repetition-rate picosecond source for the ultraviolet (UV), providing multi-tens of milliwatt of average power across 329-348 nm.
Devi, Kavita +2 more
core +2 more sources
Photonics, 2022 The high-efficiency capabilities of multijunction laser power converters are demonstrated for high-power applications with an optical input of around 1470 nm. The InP-based photovoltaic power converting III-V semiconductor devices are designed here, with
Simon Fafard, Denis P. Masson
doaj +1 more source
Continuous-wave, multimilliwatt, mid-infrared source tunable across 6.4–7.5 μm based on orientation-patterned GaAs [PDF]
, 2014 We report a continuous-wave (cw) source of tunable mid-infrared radiation providing tens of milliwatt of output power in the 6460–7517 nm spectral range.
Devi, Kavita +2 more
core +2 more sources
Photonics, 2022 Efficient simultaneous transmission of light with a power of more than 2 W at a wavelength of 976 nm and an optical carrier for transmitting a high-frequency analog signal at a wavelength of 1550 nm over a distance of 1 km over a standard single-mode ...
Andrei Varlamov +6 more
doaj +1 more source
Optically Powered Remote Units for Radio-Over-Fiber Systems [PDF]
Journal of Lightwave Technology, 2008 Optically powered radio-over-fiber remote units have been designed and constructed for distributed antenna system applications using separate fibers for power and signal transmission. The feasibility of this approach has been investigated through a series of transmission measurements, based on the IEEE 802.11g wireless local area networking standard at
Wake, D. +5 more
openaire +1 more source
Measurements of the intensity noise of a broadly tunable, erbium-doped fiber ring laser, relative to the standard quantum limit [PDF]
, 1992 The intensity noise of an erbium-doped fiber ring laser is measured relative to the standard quantum limit. Over a tuning range of 24 nm, the noise power is within 20 dB of the shot noise floor and varies linearly with laser output power. Oscillations in
Dawson, Jay W. +3 more
core +1 more source
Photonics, 2023 Photovoltaic multijunction power-converting III–V semiconductor devices generate electrical power from the optical energy of laser beams. They exhibit conversion efficiencies reaching values greater than 60% and 50% for the GaAs and the InP material ...
Simon Fafard, Denis Masson
doaj +1 more source
Fiber-Optic Pyrometer with Optically Powered Switch for Temperature Measurements
Sensors, 2018 We report the experimental results on a new infrared fiber-optic pyrometer for very localized and high-speed temperature measurements ranging from 170 to 530 °C using low-noise photodetectors and high-gain transimpedance amplifiers with a single gain ...
Carmen Vázquez +7 more
doaj +1 more source
Experiments on Shared- and Dedicated- Power over Fiber Scenarios in Multi-core Fibers [PDF]
2019 European Conference on Networks and Communications (EuCNC), 2019 We explore the potential of optical power delivery in multicores fibers, either using individual cores only for power or to share both data and power signals into the same core. A comparison between both scenarios in terms of power levels for different link lengths and number of elements required is provided.
Carmen Vázquez +3 more
openaire +1 more source
150-W Power-Over-Fiber Using Double-Clad Fibers [PDF]
Journal of Lightwave Technology, 2020 This article presents simultaneous data and power transmission systems using a double-clad fiber (DCF). In future radio-over-fiber (RoF) networks, a large number of remote antenna units (RAUs) will be required to provide various kinds of mobile communication services. Power-over-fiber (PWoF), which delivers electrical power to drive the RAUs in optical
Motoharu Matsuura +3 more
openaire +1 more source