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Optics Letters Journal – Polymer CYTOP Long Period Gratings (LPGs) inscribed using femtosecond laser inscription

By |2019-11-27T09:16:28+00:00November 27th, 2019|

Long period grating in a multimode cyclic transparent optical polymer fiber inscribed using a femtosecond laser Antreas Theodosiou, Rui Min, Arnaldo G. Leal-Junior, Andreas Ioannou, Anselmo Frizera, Maria Jose Pontes, Carlos Marques, and Kyriacos Kalli Abstract In this Letter, we report, to the best of our knowledge, the first inscription of long period gratings (LPGs) [...]

Two journal papers for modelocked fiber lasers operating in 1.55um and 2um in Optics Letters and Laser Physics Letters

By |2019-11-27T08:53:17+00:00November 27th, 2019|

All fiber mode-locked thulium-doped fiber laser using a novel femtosecond-laser-inscribed 45°-plane-by-plane-tilted fiber grating Nithyanandan Kanagaraj, Antreas Theodosiou, Jan Aubrecht, Pavel Peterka, Michal Kamradek, Kyriacos Kalli, Ivan Kasik and Pavel Honzatko Abstract Using the novel 45°-plane-by-plane-tilted fiber grating inscribed by a femtosecond laser as an in-line fiber polarizer, we demonstrate an all-fiber passively mode-locked thulium-doped fiber laser. We characterize the grating for polarization-dependent loss, [...]

Highlight Research in IET Electronics Letters – “Characterisation of Silicon (Si) fibre Bragg grating in near-infrared band for strain and temperature sensing”

By |2019-08-26T09:16:40+00:00August 26th, 2019|

Characterisation of silicon fibre Bragg grating in near-infrared band for strain and temperature sensing A. Theodosiou, M. Fokine, T. Hawkins, J. Ballato, U.J. Gibson, K. Kalli Abstract Fibre Bragg grating inscription in the crystalline silicon (Si)-core fibre is described using visible light femtosecond laser pulses. The femtosecond pulses at 517 nm propagate through the transparent silica glass cladding and [...]

New journal paper in Jounral “Femtosecond Laser Written Plane-by-Plane Bragg Grating Sensors in Bioresorbable Phosphate Optical Fibres”

By |2019-08-26T08:51:18+00:00August 26th, 2019|

Femtosecond Laser Written Plane-by-Plane Bragg Grating Sensors in Bioresorbable Phosphate Optical Fibres Antreas Theodosiou, Diego Pugliese, Edoardo Ceci-Ginistrelli, Nadia G. Boetti, Davide Janner, Daniel Milanese, and Kyriacos Kalli Abstract We report on the realization of different types of optical sensors in a bioresorbable phosphate glass optical fibre using a femtosecond laser operating at 517 nm. [...]

New journal paper Journal of Lightwave Technology with title “All-in-fibre cladding interferometric and Bragg grating components made via plane by plane femtosecond laser inscription”

By |2019-08-26T08:45:15+00:00August 26th, 2019|

All-in-fibre cladding interferometric and Bragg grating components made via plane by plane femtosecond laser inscription Antreas Theodosiou, Andreas Ioannou, Kyriacos Kalli Abstract We introduce a method of inscribing in-fibre devices using a femtosecond laser that is applicable to crucial components, such as cladding waveguides (CWGs), cladding Mach-Zehnder interferometers (MZIs), embedded waveguide Bragg gratings (WBGs), and waveguide Fabry-Perot [...]

Hello world!

By |2019-07-17T23:16:57+00:00July 17th, 2019|

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Jellyfish medical findings

By |2017-06-30T03:03:18+00:00June 30th, 2017|

How the jellyfish surprised science and what the medical implications Results are encouraging Aenean vitae neque est. Proin aliquam, lacus non ullamcorper elementum, diam eros faucibus orci, sed lobortis lectus urna egestas ligula. Morbi viverra, orci ac sodales consectetur, erat justo dictum urna, sodales ultrices [...]

Reduced medicine side effects

By |2017-06-30T02:09:05+00:00June 30th, 2017|

Reduced side effects of medicine Results are encouraging Aenean vitae neque est. Proin aliquam, lacus non ullamcorper elementum, diam eros faucibus orci, sed lobortis lectus urna egestas ligula. Morbi viverra, orci ac sodales consectetur, erat justo dictum urna, sodales ultrices nulla diam placerat ipsum. Donec [...]