Dr. Antreas Theodosiou Profile

Dr. Antreas Theodosiou

Director & Founder at Lumoscribe Ltd

SPIE Involvement:

Conference Program Committee | Author

Publications (31)

Proceedings Article | 20 June 2024 Poster + Paper

Adaptive fiber optic fluorescence analysis for cancer tissues via collagen detection

Antreas Theodosiou, Andreas Stylianou

Proceedings Volume 13006, 1300613 (2024) https://doi.org/10.1117/12.3014718

KEYWORDS: Collagen, Fluorescence, Tissues, Cancer, Tumors, Atomic force microscopy, Biological samples, Optical fibers, Cancer detection, Fiber optics

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Proceedings Article | 6 June 2024 Poster

Highly sensitive refractive index measurement using speckle patterns in perfluorinated polymer optical fiber sensors

Antreas Theodosiou

Proceedings Volume 12999, (2024) https://doi.org/10.1117/12.3014860

KEYWORDS: Sensors, Refractive index, Speckle pattern, Polymer optical fibers, Liquids, Analytical research, Speckle, Polishing, Optical sensors, Optical properties

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Proceedings Article | 30 May 2023 Paper

Post-radiation effects of core pumped monolithic holmium-doped silica fibre lasers

A. Theodosiou, L. Koutsokeras, A. Ioannou, A. Stancalie, C. Negut, J. Aubrecht, P. Peterka, G. Constantinides, K. Kalli

Proceedings Volume 12573, 125730U (2023) https://doi.org/10.1117/12.2665051

KEYWORDS: Fiber lasers, Fiber Bragg gratings, Laser radiation, Silica, Raman spectroscopy, Optical fibers, Holmium, Annealing, Temperature metrology, Spectroscopy

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Proceedings Article | 30 May 2023 Paper

Signal processing treatments for static and dynamic Brillouin distributed sensing

A. Theodosiou, C. Kouzoupou, A. Ioannou, M. Komodromos, K. Kalli

Proceedings Volume 12573, 125730T (2023) https://doi.org/10.1117/12.2665050

KEYWORDS: Fiber Bragg gratings, Demodulation, Signal processing, Optical fibers, Spatial resolution, Sensors, Mathematical optimization, Temperature metrology, Reflection, Materials properties

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Proceedings Article | 30 May 2023 Paper

Femtosecond laser written ZBLAN tilted fibre Bragg grating for mode-locked mid-infrared laser applications

A. Theodosiou, O. Henderson-Sapir, Kyriacos Kalli

Proceedings Volume 12573, 1257303 (2023) https://doi.org/10.1117/12.2663742

KEYWORDS: ZBLAN, Mode locking, Femtosecond phenomena, Mid-IR, Fiber lasers, Polarization, Fiber Bragg gratings, Polarizers, Laser applications, Photonics

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Proceedings Article | 18 April 2021 Presentation + Paper

Radiation induced effects on FBGs using different femtosecond laser inscription methods

A. Theodosiou, A. Leal-Junior, C. Marques, A. Frizera, A. J. Fernandes, A. Stancalie, A. Ioannou, D. Negut, K. Kalli

Proceedings Volume 11773, 117730P (2021) https://doi.org/10.1117/12.2592376

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Proceedings Article | 18 April 2021 Presentation + Paper

Holmium monolithic fiber lasers: an investigation of the fiber Bragg grating spatial dimensions on fiber laser performance

Antreas Theodosiou, Jan Aubrecht, Pavel Peterka, Kyriacos Kalli

Proceedings Volume 11773, 117730L (2021) https://doi.org/10.1117/12.2592374

KEYWORDS: Fiber lasers, Fiber Bragg gratings, Holmium, Laser systems engineering, Single mode fibers, Optical design, Laser damage threshold, High power fiber lasers, Fiber coatings, Femtosecond phenomena

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Proceedings Article | 21 April 2020 Presentation + Paper

Multimode CYTOP fiber interferometric response to laser wavelength scanning

Ivan Chapalo, Alexander Petrov, Antreas Theodosiou, Kyriacos Kalli, Oleg Kotov

Proceedings Volume 11355, 113550X (2020) https://doi.org/10.1117/12.2559459

KEYWORDS: Interferometry, Fiber Bragg gratings, Multimode fibers, Speckle pattern, Interferometers

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Proceedings Article | 1 April 2020 Paper

Femtosecond laser written long period grating in a multimode CYTOP polymer fibre

Antreas Theodosiou, Rui Min, Arnaldo Leal, Andreas Ioannou, Anselmo Frizera-Neto, Maria Jose Pontes, Carlos Marques, Kyriacos Kalli

Proceedings Volume 11355, 1135502 (2020) https://doi.org/10.1117/12.2557804

KEYWORDS: Polymers, Humidity, Femtosecond phenomena, Sensors, Cladding, Temperature metrology, Fiber Bragg gratings, Gradient-index optics, Polymeric sensors, Optical sensors

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Proceedings Article | 1 April 2020 Paper

Advanced concrete optical remote sensors: structural health monitoring of concrete buildings using polymer sensors

Antreas Theodosiou, Pericles Savva, Constantinos Aivaliotis, Charalampos Erotokritou, Harris Partaourides, Constantinos Louca, Michael Petrou, Kyricos Kalli

Proceedings Volume 11355, 1135503 (2020) https://doi.org/10.1117/12.2557800

KEYWORDS: Sensors, Polymers, Humidity, Temperature metrology, Polymeric sensors, Fiber Bragg gratings, Phase only filters, Structural health monitoring, Buildings, Climatology

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Proceedings Article | 1 April 2020 Paper

Femtosecond laser inscribed Mach-Zehnder Interferometer: a compound all-in-fiber versatile sensing device

Andreas Ioannou, Antreas Theodosiou, Christophe Caucheteur, Kyriacos Kalli

Proceedings Volume 11355, 113550N (2020) https://doi.org/10.1117/12.2553050

KEYWORDS: Fiber Bragg gratings, Cladding, Humidity, Femtosecond phenomena, Refractive index, Waveguides, Sensors, Mach-Zehnder interferometers, Structured optical fibers, Temperature metrology

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Proceedings Article | 1 April 2020 Paper

Detection of water, oil and oil contamination in water using chirped fiber Bragg gratings inscribed in CYTOP fibers

Arnaldo Leal, Vinicius Campos, Antreas Theodosiou, Anselmo Frizera, Kyriacos Kalli, Carlos Marques

Proceedings Volume 11355, 1135513 (2020) https://doi.org/10.1117/12.2558483

KEYWORDS: Sensors, Contamination, Fiber Bragg gratings, Minerals, Polymer optical fibers, Absorption, Femtosecond phenomena, Temperature metrology, Optical fibers, Polymers

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