Dr. David Miguel Ventura Castro Alves Profile

Dr. David Miguel Ventura Castro Alves

at Univ de Lisboa

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Author

Publications (9)

Proceedings Article | 23 August 2024 Poster + Paper

Cryogenic testing of the integrated Ariel space telescope: design of the optical test equipment

Robert Spry, Manuel Abreu, Keith Nowicki, Neil Bowles, Maisie Rashman, Cédric Pereira, Jake Hutchinson, David Miguel Ventura de Castro Alves, Rory Evans, Robert Watkins, Waqas Mir, John-Paul Walker, Ioannis Argyriou, Joss Guy, Juergen Schmoll, Chris Davison, Henry Eshbaugh, Alexandre Cabral, Rachel Drummond, Lucile Desjonqueres, Mark Anderson, Georgia Bishop, Paul Eccleston, Enzo Pascale, Andrew Caldwell, Giovanna Tinetti

Proceedings Volume 13092, 130924V (2024) https://doi.org/10.1117/12.3020185

KEYWORDS: Light sources and illumination, Mirrors, Cryogenics, Monochromators, Design, Optical spheres, Sensors, Vacuum chambers, Calibration, Optical alignment

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Proceedings Article | 23 August 2024 Poster + Paper

Stability of the OGSE Vis-NIR illumination sub-system for the future ARIEL space mission

Cédric Pereira, Manuel Abreu, D. Castro Alves, Alexandre Cabral, Robert Spry, Neil Bowles, Keith Nowicki, Maisie Rashman

Proceedings Volume 13092, 130924W (2024) https://doi.org/10.1117/12.3018284

KEYWORDS: Light sources and illumination, Dark current, Cryogenics, Photodiodes, Sensors, Temperature metrology, Calibration, Light sources

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Proceedings Article | 2 September 2021 Presentation + Paper

Subwavelength neuromorphic nanophotonic integrated circuits for spike-based computing: challenges and prospects

B. Romeira, J. Nieder, B. Jacob, R. M. Adão, F. Camarneiro, J. Arturo Alanis, M. Hejda, A. Hurtado, J. Lourenço, D. Castro Alves, J. M. Figueiredo, I. Ortega-Piwonka, J. Javaloyes

Proceedings Volume 11804, 118040D (2021) https://doi.org/10.1117/12.2591852

KEYWORDS: Neural networks, Neurons, Nanophotonics, Light emitting diodes, Photonics, Waveguides, Artificial intelligence, Diodes, Integrated circuits, Data processing

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Proceedings Article | 13 December 2020 Poster + Paper

A white light collimator for Plato camera integration support

Manuel Abreu, David Castro Alves, Alexandre Cabral, João M.P. Coelho, Pedro Santos, L. Clermont, Ann Baeke, B. Vandenbussche

Proceedings Volume 11443, 114434T (2020) https://doi.org/10.1117/12.2561402

KEYWORDS: Collimators, Cameras, Telescopes, Light, Wavefronts, Manufacturing

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Proceedings Article | 20 November 2017 Open Access

Technique for long and absolute distance measurement based on laser pulse repetition frequency sweeping

D. Castro Alves, Manuel Abreu, A. Cabral, Michael Jost, J.M. Rebordão

Proceedings Volume 10564, 1056421 (2017) https://doi.org/10.1117/12.2309077

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Proceedings Article | 22 August 2017 Paper

Mode-locked semiconductor laser for long and absolute distance measurement based on laser pulse repetition frequency sweeping: a comparative study between three types of lasers

D. Castro Alves, Manuel Abreu, Alexandre Cabral, J. M. Rebordão

Proceedings Volume 10453, 104530E (2017) https://doi.org/10.1117/12.2271553

KEYWORDS: Semiconductor lasers, Metrology, Mode locking, Pulsed laser operation, Laser metrology, Laser stabilization, Distance measurement, Laser sources

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Proceedings Article | 22 August 2014 Paper

Study of the stabilization of a semiconductor mode-lock laser using hybrid mode-lock and optical feedback

D. Castro Alves, Manuel Abreu, Alexandre Cabral, J. Rebordão

Proceedings Volume 9286, 92863M (2014) https://doi.org/10.1117/12.2063649

KEYWORDS: Semiconductor lasers, Laser stabilization, Oscillators, Mode locking, Distance measurement, Hybrid optics, Single mode fibers, Semiconductors, Dispersion, Pulsed laser operation

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Proceedings Article | 18 November 2013 Paper

High accuracy piston and wobble sensor based on heterodyne interferometry

Catarina Silva, Alexandre Cabral, Manuel Abreu, José Manuel Rebordão, David Castro Alves

Proceedings Volume 8785, 8785BL (2013) https://doi.org/10.1117/12.2026252

KEYWORDS: Heterodyning, Interferometers, Sensors, Interferometry, Signal detection, Beam splitters, Calibration, Polarization, Metrology, Mirrors

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Proceedings Article | 18 November 2013 Paper

Degree of polarization as a cross-correlation detector for absolute distance measurement

D. Castro Alves, Manuel Abreu, Alexandre Cabral, J. Rebordão

Proceedings Volume 8785, 87851M (2013) https://doi.org/10.1117/12.2027590

KEYWORDS: Distance measurement, Sensors, Pulsed laser operation, Polarization, Semiconductor lasers, Interferometers, Mode locking, Second-harmonic generation, Metrology, Beam splitters

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Showing 5 of 9 publications

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