Dr. Gerard M. O'Connor Profile

Dr. Gerard M. O'Connor

Director at Univ of Galway

SPIE Involvement:

Author

Publications (32)

Proceedings Article | 19 April 2017 Presentation

Real-time monitoring and controlled selective ablation based on optical emission spectroscopy technique (Conference Presentation)

Nazar Farid, Pinaki Das Gupta, Gerard O'Connor

Proceedings Volume 10097, 100970I (2017) https://doi.org/10.1117/12.2253286

KEYWORDS: Laser ablation, Laser processing, Laser induced breakdown spectroscopy, Laser optics, Optics manufacturing, Sensors, Signal processing, Molybdenum, Emission spectroscopy, Microelectronics

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Proceedings Article | 12 March 2015 Paper

Thin glass processing with various laser sources

Adam Collins, David Milne, Camilo Prieto, Gerard O'Connor

Proceedings Volume 9351, 93511K (2015) https://doi.org/10.1117/12.2077217

KEYWORDS: Glasses, Laser processing, Carbon dioxide lasers, Laser ablation, Femtosecond phenomena, Absorption, Laser cutting, Pulsed laser operation, Glass processing, Laser sources

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SPIE Journal Paper | 20 June 2012

Laser-based microstructuring of surfaces using low-cost microlens arrays

Daniel Nieto Garcia, Gemma Vara, Jose Antonio Diez, Gerard O'Connor, Carlos Gomez-Reino Carnota, María Teresa Flores-Arias, Justo Arines

JM3, Vol. 11, Issue 02, 023014, (June 2012) https://doi.org/10.1117/12.10.1117/1.JMM.11.2.023014

KEYWORDS: Microlens array, Microlens, Glasses, Laser ablation, Laser applications, Soda-lime glass, Polymers, Confocal microscopy, Aluminum, Infrared lasers

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Proceedings Article | 7 February 2012 Paper

Laser-based microstructuring of materials surfaces using low-cost microlens arrays

Daniel Nieto, G. Vara, J. A. Diez, Gerard O`Connor, Justo Arines, C. Gómez-Reino, M. Flores-Arias

Proceedings Volume 8248, 82480K (2012) https://doi.org/10.1117/12.908061

KEYWORDS: Microlens array, Microlens, Glasses, Laser ablation, Soda-lime glass, Absorption, Laser applications, Fabrication, Polymers, Aluminum

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Proceedings Article | 21 October 2011 Paper

Microlenses fabrication on glass by combining laser with thermal-reflow technique

Daniel Nieto, Justo Arines, Carlos Gomez-Reino, Gerard O'Connor, M. Teresa Flores-Arias

Proceedings Volume 8011, 80110T (2011) https://doi.org/10.1117/12.902099

KEYWORDS: Microlens, Microlens array, Glasses, Fabrication, Laser ablation, Confocal microscopy, Thermography, Soda-lime glass, Temperature metrology, Laser applications

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Proceedings Article | 21 October 2011 Paper

Laser ablated glass microlens arrays: aberrations dependence on reflowing temperature

J. Arines, D. Nieto, M. T. Flores-Arias, C. Gómez-Reino, Gerard O'Connor

Proceedings Volume 8011, 801105 (2011) https://doi.org/10.1117/12.900767

KEYWORDS: Microlens array, Microlens, Optical aberrations, Glasses, Laser ablation, Strontium, Fabrication, 3D image processing, Wavefronts, Sensors

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Proceedings Article | 26 July 2011 Paper

Fabrication of microlens arrays on soda-lima glasses with a Nd:YVO4 laser

Daniel Nieto, M. Teresa Flores-Arias, Gerard O'Connor, Carlos Gómez-Reino

Proceedings Volume 8001, 80010Q (2011) https://doi.org/10.1117/12.891809

KEYWORDS: Microlens, Microlens array, Glasses, Laser ablation, Microscopes, Neodymium lasers, Soda-lime glass, Fabrication, Confocal microscopy, Surface roughness

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Proceedings Article | 17 June 2009 Paper

Novel fiber-based technique for inspection of holes in narrow-bore tubes

Fabien Bernard, Tony Flaherty, Gerard O'Connor

Proceedings Volume 7389, 73891V (2009) https://doi.org/10.1117/12.827274

KEYWORDS: Inspection, Scattering, Laser drilling, Sensors, Light scattering, Optical fibers, Fiber lasers, Medical devices, Optics manufacturing, Surgery

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Proceedings Article | 30 December 2008 Paper

Improvement of the mode quality in large mode area (LMA) fibres

Stefan Grünsteidl, J. Sousa, Ger O'Connor, Tom Glynn

Proceedings Volume 7139, 713907 (2008) https://doi.org/10.1117/12.819258

KEYWORDS: Near field, Multimode fibers, Polymers, CCD cameras, Cladding, Pulsed fiber lasers, Microscopes, Single mode fibers, Fusion splicing, Image fusion

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Proceedings Article | 15 January 2008 Paper

Laser-induced plume expansion from a silicon wafer in a wide range of ambient gas pressure

Alexey Volkov, German Lukianov, Gerard O'Connor

Proceedings Volume 6985, 69850P (2008) https://doi.org/10.1117/12.787119

KEYWORDS: Silicon, Molecules, Semiconductor lasers, Semiconducting wafers, Pulsed laser operation, Particles, Monte Carlo methods, Chemical species, Diffusion, Argon

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Proceedings Article | 20 March 2007 Paper

Machining hole arrays in polyimide using a UV solid state laser and predetermined temporal pulse patterns

Claire Mullan, Diana Ilie, Gerard O'Connor, Sebastian Favre, Thomas Glynn

Proceedings Volume 6459, 64590G (2007) https://doi.org/10.1117/12.700592

KEYWORDS: Laser ablation, Pulsed laser operation, Ultraviolet radiation, Laser drilling, Bragg cells, Photodiodes, Sensors, Polymers, Absorption, Diffusion

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