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Showing 1 to 10 of 10 entries
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Light driven optofluidic switch developed in a ZnO-overlaid microstructured optical fiber.

Optics express

Konidakis I, Konstantaki M, Tsibidis GD, Pissadakis S.
PMID: 26698774
Opt Express. 2015 Nov 30;23(24):31496-509. doi: 10.1364/OE.23.031496.

A great challenge of Optofluidics remains the control of the fluidic properties of a photonic circuit by solely utilizing light. In this study, the development of a ZnO nanolayered microstructured optical fiber (MOF) Fabry-Perot interferometer is demonstrated, along with...

Biomimetic Omnidirectional Antireflective Glass via Direct Ultrafast Laser Nanostructuring.

Advanced materials (Deerfield Beach, Fla.)

Papadopoulos A, Skoulas E, Mimidis A, Perrakis G, Kenanakis G, Tsibidis GD, Stratakis E.
PMID: 31231905
Adv Mater. 2019 Aug;31(32):e1901123. doi: 10.1002/adma.201901123. Epub 2019 Jun 23.

Here, a single-step, biomimetic approach for the realization of omnidirectional transparent antireflective glass is reported. In particular, it is shown that circularly polarized ultrashort laser pulses produce self-organized nanopillar structures on fused silica (SiO

Ultrafast laser pulse chirp effects on laser-generated nanoacoustic strains in Silicon.

Ultrasonics

Bakarezos M, Tzianaki E, Petrakis S, Tsibidis G, Loukakos PA, Dimitriou V, Kosmidis C, Tatarakis M, Papadogiannis NA.
PMID: 29407277
Ultrasonics. 2018 May;86:14-19. doi: 10.1016/j.ultras.2018.01.008. Epub 2018 Feb 04.

Nanoacoustic strains are generated in Silicon by chirped femtosecond laser pulses using thin Titanium films as transducers. We investigate the effect that the generating laser pulse chirp has on the amplitude of the induced strains, manifested as Brillouin oscillations...

Impact of Pre-Patterned Structures on Features of Laser-Induced Periodic Surface Structures.

Molecules (Basel, Switzerland)

Maragkaki S, Lingos PC, Tsibidis GD, Deligeorgis G, Stratakis E.
PMID: 34885913
Molecules. 2021 Dec 02;26(23). doi: 10.3390/molecules26237330.

The efficiency of light coupling to surface plasmon polariton (SPP) represents a very important issue in plasmonics and laser fabrication of topographies in various solids. To illustrate the role of pre-patterned surfaces and impact of laser polarisation in the...

Ripple formation on nickel irradiated with radially polarized femtosecond beams.

Optics letters

Tsibidis GD, Skoulas E, Stratakis E.
PMID: 26565827
Opt Lett. 2015 Nov 15;40(22):5172-5. doi: 10.1364/OL.40.005172.

We report on the morphological effects induced by the inhomogeneous absorption of radially polarized femtosecond laser irradiation of nickel (Ni) in sub-ablation conditions. A theoretical prediction of the morphology profile is performed, and the role of surface plasmon excitation...

High acoustic strains in Si through ultrafast laser excitation of Ti thin-film transducers.

Optics express

Tzianaki E, Bakarezos M, Tsibidis GD, Orphanos Y, Loukakos PA, Kosmidis C, Patsalas P, Tatarakis M, Papadogiannis NA.
PMID: 26191728
Opt Express. 2015 Jun 29;23(13):17191-204. doi: 10.1364/OE.23.017191.

The role of thin-film metal transducers in ultrafast laser-generated longitudinal acoustic phonons in Si (100) monocrystal substrates is investigated. For this purpose degenerate femtosecond pump-probe transient reflectivity measurements are performed probing the Brillouin scattering of laser photons from phonons....

Femtosecond Laser-Induced Periodic Surface Structures on 2D Ti-Fe Multilayer Condensates.

Nanomaterials (Basel, Switzerland)

Kuznietsov OV, Tsibidis GD, Demchishin AV, Demchishin AA, Babizhetskyy V, Saldan I, Bellucci S, Gnilitskyi I.
PMID: 33513705
Nanomaterials (Basel). 2021 Jan 27;11(2). doi: 10.3390/nano11020316.

2D Ti-Fe multilayer preparation has been attracting increased interest due to its ability to form intermetallic compounds between metallic titanium and metallic iron thin layers. In particular, the TiFe compound can absorb hydrogen gas at room temperature. We applied...

Ionisation processes and laser induced periodic surface structures in dielectrics with mid-infrared femtosecond laser pulses.

Scientific reports

Tsibidis GD, Stratakis E.
PMID: 32457397
Sci Rep. 2020 May 26;10(1):8675. doi: 10.1038/s41598-020-65613-w.

Irradiation of solids with ultrashort pulses and laser processing in the mid-Infrared (mid-IR) spectral region is a yet predominantly unexplored field with a large potential for a wide range of applications. In this work, laser driven physical phenomena associated...

Impact of Pre-Patterned Structures on Features of Laser-Induced Periodic Surface Structures.

Molecules (Basel, Switzerland)

Maragkaki S, Lingos PC, Tsibidis GD, Deligeorgis G, Stratakis E.
PMID: 34885913
Molecules. 2021 Dec 02;26(23). doi: 10.3390/molecules26237330.

The efficiency of light coupling to surface plasmon polariton (SPP) represents a very important issue in plasmonics and laser fabrication of topographies in various solids. To illustrate the role of pre-patterned surfaces and impact of laser polarisation in the...

Investigation of femtosecond laser induced ripple formation on copper for varying incident angle.

AIP advances

Zuhlke CA, Tsibidis GD, Anderson T, Stratakis E, Gogos G, Alexander DR.
PMID: 30416867
AIP Adv. 2018;8(1):015212. doi: 10.1063/1.5020029. Epub 2018 Jan 10.

The hydrodynamic mechanisms associated with the formation of femtosecond laser induced ripples on copper for two angles of incidence are reported. Laser pulse length used for this work is 35 fs. A revised two-temperature model is presented that comprises...

Showing 1 to 10 of 10 entries