Dr. Alan J. Conneely Profile

Dr. Alan J. Conneely

Researcher at Univ of Galway

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 15 July 2004 Paper

Analysis of debris generated during UV laser micro-machining of silicon

Gerard O'Connor, Helen Howard, Alan Conneely, Thomas Glynn

Proceedings Volume 5339, (2004) https://doi.org/10.1117/12.529248

KEYWORDS: Silicon, Semiconducting wafers, Semiconductor lasers, Pulsed laser operation, Micromachining, Plasma, Ultraviolet radiation, Laser processing, Laser ablation, Scanning electron microscopy

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Proceedings Article | 15 July 2004 Paper

Nanosecond laser silicon micromachining

Jun Ren, Sergei Orlov, Lambertus Hesselink, Helen Howard, Alan Conneely

Proceedings Volume 5339, (2004) https://doi.org/10.1117/12.529442

KEYWORDS: Laser ablation, Plasma, Pulsed laser operation, Silicon, Semiconductor lasers, Laser energy, Estimation theory, Liquids, Micromachining, Ultraviolet radiation

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Proceedings Article | 27 August 2003 Paper

Investigation of a method for the determination of the focused spot size of industrial laser beams based on the drilling of holes in Mylar film

Helen Howard, Alan Conneely, Gerard O'Connor, Thomas Glynn

Proceedings Volume 4876, (2003) https://doi.org/10.1117/12.463732

KEYWORDS: Beam expanders, Femtosecond phenomena, Pulsed laser operation, Nd:YAG lasers, Laser drilling, Diode pumped solid state lasers, Ultraviolet radiation, Signal attenuation, Q switched lasers, Q switching

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Proceedings Article | 23 March 2000 Paper

Optical monitoring of laser-generated plasma during laser welding

John Connolly, Gareth Beirne, Gerard O'Connor, Thomas Glynn, Alan Conneely

Proceedings Volume 3935, (2000) https://doi.org/10.1117/12.380800

KEYWORDS: Laser welding, Plasma, Photodiodes, Spectroscopy, Plasma generation, Laser processing, Argon, Laser optics, Pulsed laser operation, Nd:YAG lasers

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