Search Results - "Fotiadi, A."
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1
The urban heat island effect in a small Mediterranean city of high summer temperatures and cooling energy demands
Published in Solar energy (01-08-2013)“…[Display omitted] •Urban heat island (UHI) is present even in small-sized towns like Agrinio.•Mean hourly UHI intensities up to 6°C were…”
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2
Scientific Applications of Distributed Acoustic Sensing: State-of-the-Art Review and Perspective
Published in Sensors (Basel, Switzerland) (28-01-2022)“…This work presents a detailed review of the development of distributed acoustic sensors (DAS) and their newest scientific applications. It covers most areas of…”
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3
Mode-locking evolution in ring fiber lasers with tunable repetition rate
Published in Optics express (04-09-2017)“…We have applied a simple approach to analyze behavior of the harmonically mode-locked fiber laser incorporating an adjustable Mach-Zehnder interferometer…”
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4
Application of Dual-Frequency Self-Injection Locked DFB Laser for Brillouin Optical Time Domain Analysis
Published in Sensors (Basel, Switzerland) (15-10-2021)“…Self-injection locking to an external fiber cavity is an efficient technique enabling drastic linewidth narrowing of semiconductor lasers. Recently, we…”
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5
Brillouin-like amplification in rare-earth-doped optical fibers
Published in Optics express (22-11-2021)“…We present a theoretical formalism to describe the amplification of two monochromatic waves counter-propagating in a rare-earth-doped optical fiber amplifier…”
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6
Resonantly induced mitigation of supermode noise in a harmonically mode-locked fiber laser: revealing the underlying mechanisms
Published in Optics express (09-05-2022)“…We have performed experimental and numerical studies enabling clear insight into the physical mechanisms underlying the super-mode noise mitigation in…”
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7
Detuning effects in Brillouin ring microresonator laser
Published in Optics express (17-02-2020)“…Brillouin lasers, with their unique properties, offer an intriguing solution for many applications, yet bringing their performance to integrated platforms has…”
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8
Double harmonic mode-locking in soliton fiber ring laser acquired through the resonant optoacoustic coupling
Published in APL photonics (01-05-2024)“…Passive harmonic mode-locking of a soliton fiber laser locked to optoacoustic resonance (OAR) in the cavity fiber ensures high-frequency laser operation, high…”
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9
Modeling of CW Yb-doped fiber lasers with highly nonlinear cavity dynamics
Published in Optics express (25-04-2011)“…We develop a theoretical framework for modeling of continuous wave Yb-doped fiber lasers with highly nonlinear cavity dynamics. The developed approach has…”
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10
Newest Methods and Approaches to Enhance the Performance of Optical Frequency-Domain Reflectometers
Published in Sensors (Basel, Switzerland) (22-08-2024)“…In this review, we summarize the latest advances in the design of optical frequency-domain reflectometers (OFDRs), digital signal processing, and sensors based…”
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11
The Photobiomodulation of Vital Parameters of the Cancer Cell Culture by Low Dose of Near-IR Laser Irradiation
Published in IEEE journal of selected topics in quantum electronics (01-01-2019)“…The mechanisms underlining the cell adaptive and/or activating oxidative stress, called low level light or photobiomodulation therapies (PBMT), still remain…”
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12
Activation Function Dynamic Averaging as a Technique for Nonlinear 2D Data Denoising in Distributed Acoustic Sensors
Published in Algorithms (01-09-2023)“…This work studies the application of low-cost noise reduction algorithms for the data processing of distributed acoustic sensors (DAS). It presents an…”
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13
Electronic and thermal refractive index changes in ytterbium-doped fiber amplifiers
Published in Optics express (23-09-2013)“…We develop a theoretical framework to analyze the mechanism of refractive index changes (RIC) in double-clad Yb³⁺ doped optical fibers under resonant core or…”
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14
Enhancing the Distributed Acoustic Sensors’ (DAS) Performance by the Simple Noise Reduction Algorithms Sequential Application
Published in Algorithms (23-04-2023)“…Moving differential and dynamic window moving averaging are simple and well-known signal processing algorithms. However, the most common methods of obtaining…”
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15
Cloud effects on the solar and thermal radiation budgets of the Mediterranean basin
Published in Atmospheric research (15-01-2015)“…The cloud effects on the shortwave (SW), longwave (LW) and net all-wave radiation budgets of the Mediterranean basin were computed using a detailed radiative…”
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16
Fiber Laser with a Pulse Repetition Rate of Up to 12 GHz and Harmonic Mode-Locking Stabilization Through Optoacoustic Interaction
Published in Bulletin of the Lebedev Physics Institute (01-12-2023)“…The study experimentally investigates resonance effects that arise when the frequency of one of the guided acoustic wave Brillouin scattering modes in an…”
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17
Stabilization of Narrow-Band Operation of Semiconductor DFB Laser Self-Injection Locked to a PM Fiber Ring Cavity
Published in Bulletin of the Lebedev Physics Institute (01-12-2023)“…This work presents a scheme for narrowing and stabilizing the narrow-band emission of a distributed feedback semiconductor laser diode achieved through its…”
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18
Control of the Number of Solitons in the Fiber Laser by Resonance Injection of External Narrow-Band Radiation
Published in Bulletin of the Lebedev Physics Institute (01-09-2023)“…The mechanisms fundamental to the process of generation and annihilation of soliton pulses under the external injection are studied. It is shown that depending…”
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19
Generation of Frequency-Modulated Optical Pulses of the IR Range in a Semiconductor Waveguide Structure with an Implemented Space Charge Wave
Published in Bulletin of the Lebedev Physics Institute (01-09-2023)“…Conditions for amplification and modulation of electromagnetic emission in the process of its interaction with the space charge wave formed in a semiconductor…”
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20
Global distribution of Earth's surface shortwave radiation budget
Published in Atmospheric chemistry and physics (01-11-2005)“…The monthly mean shortwave (SW) radiation budget at the Earth's surface (SRB) was computed on 2.5-degree longitude-latitude resolution for the 17-year period…”
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