Dr. Gustavo A. Torchia Profile

Dr. Gustavo A. Torchia

at Ctr de Investigaciones Opticas

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Author

Publications (9)

Proceedings Article | 1 August 2021 Poster + Paper

Development and construction of a point of care device for application to molecular diagnostics

Damián Presti, Julián Bergier, Jeffry Martinez Valdiviezo, Marcos Bilen, Gustavo Torchia

Proceedings Volume 11812, 118120L (2021) https://doi.org/10.1117/12.2598458

KEYWORDS: Luminescence, Point-of-care devices, Diagnostics, Semiconductor lasers, Optical filters, Control systems, Sensors, Optical sensors, Target detection, Lab on a chip, Fluorescent markers, Viruses

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Proceedings Article | 1 August 2021 Poster + Presentation + Paper

A small footprint Y-branch power splitter based on simplified coherent coupling on Silicon Nitride

R. Peyton, J. H. Martinez, F. Videla, G. Torchia

Proceedings Volume 11802, 118020O (2021) https://doi.org/10.1117/12.2593727

KEYWORDS: Waveguides, Silicon, Brain-machine interfaces, Integrated photonics, Finite-difference time-domain method, Silicon photonics, Silicon films, Silica, Sensing systems, Semiconducting wafers

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Proceedings Article | 1 August 2021 Poster + Presentation + Paper

A silicon integrated photonic sensor using Bragg gratings and signal post-processing

R. Peyton, J. H. Martinez, F. Videla, G. Torchia

Proceedings Volume 11802, 118020N (2021) https://doi.org/10.1117/12.2593723

KEYWORDS: Bragg gratings, Refraction, Sensors, Sensing systems, Cladding, Waveguides, Optical design, Silicon photonics, Signal detection, Integrated photonics

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Proceedings Article | 2 March 2020 Paper

Photoinscription of optical microstructures in fused silica with few-cycle pulses

Federico J. Furch, W. Dieter Engel, Tobias Witting, Armando Perez-Leija, Demian Biasetti, Gustavo Torchia, Marc J. Vrakking, Alexandre Mermillod-Blondin

Proceedings Volume 11268, 112680N (2020) https://doi.org/10.1117/12.2546014

KEYWORDS: Silica, Waveguides, Plasma, Luminescence, Iris, Pulsed laser operation, Refractive index, Objectives, Near field optics, Interfaces

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Proceedings Article | 9 September 2019 Paper

Modeling of the refractive index profile of a femtosecond written waveguide in LiNbO3

Damián Presti, Valentín Guarepi, Fabián Videla, Gustavo Torchia

Proceedings Volume 11123, 111230Q (2019) https://doi.org/10.1117/12.2528545

KEYWORDS: Waveguides, Refractive index, Manufacturing, Femtosecond phenomena, Beam propagation method, Optics manufacturing, Device simulation, Integrated optics, Optical circuits, Optical simulations

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SPIE Journal Paper | 24 May 2018

Optical fiber ring resonator as a high-resolution spectrometer. Characterization and applications with single line diode lasers

Damián Presti, Fabian Videla, Gustavo Torchia

OE, Vol. 57, Issue 05, 057108, (May 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.5.057108

KEYWORDS: Semiconductor lasers, Resonators, Laser systems engineering, Optical fibers, Temperature metrology, Control systems, Laser resonators, Sensors, Spectroscopy, Fiber lasers

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Proceedings Article | 24 August 2009 Paper

Role of supercontinuum in the fragmentation of colloidal gold nanoparticles in solution

Fabian Videla, Gustavo Torchia, Daniel Schinca, Lucía Scaffardi, Pablo Moreno, Cruz Méndez, Luis Roso, L. Giovanetti, Jose Ramallo Lopez

Proceedings Volume 7405, 74050U (2009) https://doi.org/10.1117/12.831032

KEYWORDS: Gold, Particles, Transmission electron microscopy, Sapphire, Crystals, Absorption, Laser ablation, Refractive index, Femtosecond phenomena, Nanoparticles

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Proceedings Article | 20 April 2006 Paper

Diffraction gratings written inside/on Lithium Niobate by means of femtosecond laser pulses

G. Torchia, C. Méndez, D. Delgado, J. R. A. Vázquez, I. Arias, L. Roso

Proceedings Volume 6183, 618320 (2006) https://doi.org/10.1117/12.673307

KEYWORDS: Diffraction gratings, Diffraction, Lithium niobate, Femtosecond phenomena, Crystals, Laser crystals, Photonic crystals, Refractive index, Microscopes, Annealing

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Proceedings Article | 3 April 2003 Paper

Fabrication of photorefractive damage-resistant active waveguides based on Zn-indiffused LiNbO₃

Gines Lifante, Manuela Domenech, Eugenio Cantelar, Pablo Pernas, Juan Sanz-Garcia, G. Torchia, Fernando Cusso

Proceedings Volume 4944, (2003) https://doi.org/10.1117/12.470317

KEYWORDS: Crystals, Ions, Waveguides, Channel waveguides, Zinc, Lithium niobate, Doping, Second-harmonic generation, Neodymium, Integrated optics

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Showing 5 of 9 publications

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