Mr. Marios Kechagias Profile

Marios Kechagias

at Gooch and Housego

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Publications (9)

Proceedings Article | 12 July 2023 Open Access

Designing transmit optical amplifiers for the current roll out of optical communication constellations

J. Edmunds, N. Thipparapu, M. Kechagias, K. Hall, A. Donnot, P. Kean, E. Kehayas, M. Welch

Proceedings Volume 12777, 127773H (2023) https://doi.org/10.1117/12.2690524

KEYWORDS: Modulation, Tunable filters, Optical design, Optical filters, Optical communications, Optical amplifiers, Astronomical imaging, Signal attenuation, Design and modelling, Amplitude modulation

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Proceedings Article | 4 March 2022 Presentation + Paper

High power WDM sources for laser communication

Matthew Welch, Aubin Donnot, James Edmunds, Marios Kechagias, Elliott Prowse, Karen Hall, Peter Kean, Stratos Kehayas

Proceedings Volume 11993, 119930B (2022) https://doi.org/10.1117/12.2608506

KEYWORDS: Optical amplifiers, Fiber amplifiers, Wavelength division multiplexing, Laser communications, Collimators, High power fiber amplifiers, Free space optical communications

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Proceedings Article | 2 March 2020 Presentation + Paper

High-power booster optical fibre amplifiers for satellite communications

M. Welch, J. Edmunds, J. Crabb, E. Prowse, K. Hall, M. Kechagias, R. Elliott, E. Kehayas

Proceedings Volume 11272, 112720X (2020) https://doi.org/10.1117/12.2545570

KEYWORDS: Optical amplifiers, High power fiber amplifiers, Fiber amplifiers, Optical fibers, Computer aided design, Signal attenuation, Connectors, Satellite communications, Finite element methods, Laser communications

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Proceedings Article | 12 July 2019 Open Access

Functional, mechanical and thermal vacuum qualification testing of G&H proto-flight erbium doped fiber amplifier

E. Kehayas, J. Edmunds, C. Palmer, C. Coopman, R. Webb, M. Tuci, M. Kechagias, K. Simpson, M. Welch, L. Stampoulidis

Proceedings Volume 11180, 111803I (2019) https://doi.org/10.1117/12.2536045

KEYWORDS: Optical amplifiers, Temperature metrology, Polarization, Optoelectronics, Interfaces, Satellites, Fiber optic components, Optical circuits, Standards development, Fiber optics

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Proceedings Article | 15 February 2018 Presentation + Paper

Space qualification of multi-channel optical fiber amplifier for low Earth orbit satellite-to-ground direct downlinks

E. Kehayas, J. Edmunds, C. Palmer, C. Coopman, R. Webb, M. Tuci, M. Kechagias, K. Simpson, M. Welch, L. Stampoulidis

Proceedings Volume 10524, 105240Z (2018) https://doi.org/10.1117/12.2289664

KEYWORDS: Optical amplifiers, Fiber amplifiers, Satellites, Optical fibers, Manufacturing, Amplifiers, Polarization, Satellite communications, Laser communications, Fiber optics

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Proceedings Article | 5 October 2017 Paper

Radiation-hardened optical amplifier based on multicore fiber for telecommunication satellites

M. Filipowicz, M. Napierała, M. Murawski, L. Ostrowski, L. Szostkiewicz, P. Mergo, M. Kechagias, J. Farzana, L. Stampoulidis, E. Kehayas, J. Crabb, T. Nasilowski

Proceedings Volume 10435, 104350C (2017) https://doi.org/10.1117/12.2278195

KEYWORDS: Optical amplifiers, Fiber amplifiers, Telecommunications, Satellites, Erbium, Cerium, Ionizing radiation, Specialty optical fibers

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Proceedings Article | 25 September 2017 Open Access

Mid-power pm booster and optical fiber pre-amplifier for 1.55 um satellite laser communications

James Edmunds, Jihan Farzana, Marios Kechagias, Leontios Stampoulidis, Efstratios Kehayas

Proceedings Volume 10562, 105621B (2017) https://doi.org/10.1117/12.2296132

KEYWORDS: Optical amplifiers, Fiber amplifiers, Phase modulation, Satellites, Astronomical imaging, Optical fibers, Satellite communications, Interfaces, Laser communications, Semiconductor lasers

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Proceedings Article | 25 September 2017 Open Access

Multi-core fiber amplifier arrays for intra-satellite links

Marios Kechagias, Jonathan Crabb, Leontios Stampoulidis, Jihan Farzana, Efstratios Kehayas, Marta Filipowicz, Marek Napierala, Michal Murawski, Tomasz Nasilowski, Juan Barbero

Proceedings Volume 10562, 1056258 (2017) https://doi.org/10.1117/12.2296129

KEYWORDS: Fiber amplifiers, Optical amplifiers, Astronomical imaging, Absorption, Erbium, Wave propagation, Satellites, Telecommunications, Signal attenuation, Resistance

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Proceedings Article | 24 February 2017 Presentation + Paper

Radiation-resistant optical fiber amplifiers for satellite communications

L. Stampoulidis, J. Edmunds, M. Kechagias, G. Stevens, J. Farzana, M. Welch, E. Kehayas

Proceedings Volume 10096, 100960H (2017) https://doi.org/10.1117/12.2252086

KEYWORDS: Optical amplifiers, Fiber amplifiers, Optical fibers, Photonics, Satellite communications, Fiber optics, Laser communications, Free space optical communications, Optical communications, Phase modulation, Manufacturing, Interfaces, Satellites, Electronics, Optics manufacturing

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Showing 5 of 9 publications

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