Dr. Titas Gertus Profile

Dr. Titas Gertus

at Femtika UAB

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 2 March 2020 Paper

Design of efficient Gauss to top-hat converters using geometrical phase elements inscribed in the glass by femtosecond laser pulses

P. Gotovski, P. Šlevas, E. Nacius, V. Jukna, S. Orlov, O. Ulcinas, J. Baltrukonis, T. Gertus

Proceedings Volume 11266, 112661J (2020) https://doi.org/10.1117/12.2546620

KEYWORDS: Gaussian beams, Optical components, Polarization, Glasses, Femtosecond phenomena, Photonics, Modulation, Seaborgium, Manufacturing, Wave plates

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Proceedings Article | 2 March 2020 Paper

Generation of Bessel type beams via phase shifted axicons encoded in geometrical phase elements

Ernestas Nacius, Pavel Gotovski, Vytautas Jukna, Orestas Ulčinas, Titas Gertus, Sergej Orlov

Proceedings Volume 11266, 112660Z (2020) https://doi.org/10.1117/12.2546561

KEYWORDS: Axicons, Phase shifts, Phase shift keying, Bessel beams, Spatial light modulators, Optical components, Beam shaping, Numerical simulations, Micromachining, Beam propagation method

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Proceedings Article | 2 March 2020 Paper

Formation of optical needles by Pancharatnam-Berry phase element for laser-induced modifications in transparent materials

P. Gotovski, P. Šlevas, E. Nacius, V. Jukna, S. Orlov, J. Baltrukonis, O. Ulčinas, T. Gertus

Proceedings Volume 11268, 112681Y (2020) https://doi.org/10.1117/12.2544925

KEYWORDS: Bessel beams, Axicons, Optical components, Gaussian beams, Modulation, Phase shift keying, CCD cameras, Apodization, Polarization, Amplitude modulation

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Proceedings Article | 19 February 2018 Presentation + Paper

Applications of ultrafast laser direct writing: from polarization control to data storage

A. Donko, T. Gertus, G. Brambilla, M. Beresna

Proceedings Volume 10520, 105200N (2018) https://doi.org/10.1117/12.2291506

KEYWORDS: Birefringence, Femtosecond phenomena, Ultrafast lasers, Glasses, Absorption, Electrons, Refractive index, Spiral phase plates, Optical components, Polarization

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SPIE Journal Paper | 9 September 2017

Generation of radially polarized beams and higher order polarization singularities by optical parametric amplification of optical vortices

Paulius Stanislovaitis, Maksym Ivanov, Aidas Matijošius, Valerijus Smilgevičius, Titas Gertus

OE, Vol. 56, Issue 09, 095101, (September 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.9.095101

KEYWORDS: Polarization, Optical vortices, Spiral phase plates, Wave plates, Crystals, Mirrors, Optical filters, Beam splitters, Singular optics, Phase shifts

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Proceedings Article | 3 March 2015 Paper

Laser beam shape converter using spatially variable waveplate made by nanogratings inscription in fused silica

Titas Gertus, Andrejus Michailovas, K. Michailovas, V. Petrauskienė

Proceedings Volume 9343, 93431S (2015) https://doi.org/10.1117/12.2075869

KEYWORDS: Polarization, Beam shaping, Polarizers, Wave plates, Optical amplifiers, Silica, Optical components, Glasses, Nanolithography, Gaussian beams

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Proceedings Article | 6 September 2013 Paper

Characterization of the optical components fabricated by femtosecond pulses in transparent materials

Lina Mazule, Simona Liukaityte, Vytautas Sabonis, Titas Gertus, Mindaugas Mikutis, Domas Paipulas, Tomas Puodziunas, Valdas Sirutkaitis

Proceedings Volume 8839, 883909 (2013) https://doi.org/10.1117/12.2022823

KEYWORDS: Scattering, Laser scattering, Light scattering, Polarization, Solar cells, Femtosecond phenomena, Optical components, Glasses, Transmittance, Titanium dioxide

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Proceedings Article | 25 April 2012 Paper

Manifestation of spatial filtering performed by 3D photonic crystals

Lina Maigyte, Titas Gertus, Martynas Peckus, Jose Trull, Crina Cojocaru, Valdas Sirutkaitis, Kestutis Staliunas

Proceedings Volume 8425, 84251Q (2012) https://doi.org/10.1117/12.922259

KEYWORDS: Photonic crystals, Spatial filters, Diffraction, Optical filters, Dispersion, Refractive index, Wave propagation, Femtosecond phenomena, Modulation, Radio propagation

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Showing 5 of 8 publications

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