Laser Materials Processing

Investigation of the hydrophobic recovery of various polymeric biomaterials after 172 nm UV treatment using contact angle, surface free energy and XPS measurements Claire O’Connell a,*, Richard Sherlock a, Michael D. Ball b, Balazs Aszalós-Kiss c, Una Prendergast a, Thomas J. Glynn a (a) National Centre for Laser Applications, National University of Ireland, Galway, University Road, Galway, Ireland (b) National Centre for Biomedical Engineering Science, National University of Ireland, Galway, University Road, Galway, Ireland (c) Materials and Surface Science Institute, University of Limerick, Ireland Applied Surface Science   Effect of functionalized micropatterned PLGA on guided neurite growth Li Yao a, Shenguo Wang d, Wenjin Cui d, Richard Sherlock b, Claire O’Connell b, Gopinath Damodaran a, Adrienne Gorman c, Anthony Windebank e, Abhay Pandit a,* (a) National Centre for Biomedical Engineering Science, National University of Ireland, Galway, Ireland (b) National Center for Laser Applications, National University of Ireland, Galway, Ireland (c) Department of Biochemistry, National University of Ireland, Galway, Ireland (d)BNLMS, State Key Laboratory of Polymer Physics & Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China (e) Department of Neurology, Mayo Clinic, Rochester, United States Acta Biomaterialia     The mechanism of nanobump formation in femtosecond pulse laser nanostructuring of thin metal films Dmitriy S. Ivanova, Baerbel Rethfelda, Gerard M. O’Connorb, Thomas J. Glynnb, Alexey N. Volkovc, Leonid V. Zhigileic (a) Physics Department, Technical University of Kaiserslautern, Erwin Schroedinger Str. 46, 67663 Kaiserslautern, Germany (b)National Centre for Laser Applications, Physics Department, National University of Ireland, Galway, Ireland (c)Department of Materials Science and Engineering, University of Virginia, 395 McCormick Road, Charlottesville, VA 22904-4745, USA Appl Phys A (2008) 92:791-796   Controlled process for polymer micromachining using designed pulse trains of a UV solid state laser Diana Iliea, Claire Mullana, Gerard M. O’Connora, Tony Flahertya, Thomas J. Glynna a) National Centre for Laser Applications, National University of Ireland, Galway, Ireland Applied Surface Science, (2007) 845–849   Langmuir probe investigation of surface contamination effects on metals during femtosecond laser ablation G.O. Williamsa, G.M. O’Connora, P.T. Manniona, T.J. Glynna a) National Centre for Laser Applications, National University of Ireland, Galway, Ireland Applied Surface Science, (2008) 5921–5926   Expansion of a laser plume from a silicon wafer in a wide range of ambient gas pressures Alexey N. Volkova,c, Gerard M. O’Connora, Thomas J. Glynna, German A. Lukyanovb a) National Centre for Laser Applications, National University of Ireland, Galway, Ireland b) Center for Advanced Studies, Saint-Petersburg Polytechnical University, Russia c) Department of Materials Science and Engineering, University of Virginia, USA Applied Physics A, Materials Science & Processing, (2008) 92: 927–932   Numerical modelling of nanosecond laser ablation at atmospheric surroundings: comparison of hydrodynamics and kinetics approaches Sylwester Kudzmaa, Alexey N. Volkova,b, Gerard M. O’Connora, Thomas J. Glynna, a) National Centre for Laser Applications, National University of Ireland, Galway, Ireland b) Department of Materials Science and Engineering, University of Virginia, USA Presented at COLA 07   The mechanism of nanobump formation in short pulse laser nanostructuring of metals Dmitriy S. Ivanova, Bearbel C. Rethfelda,Gerard M. O’Connorb, Thomas J. Glynnb,Alexey N. Volkovc, Leonid V. Zhigileic a) Physics Department, Technical University of Kaiserslautern Erwin Schroedinger Str. 46, D-67663 Kaiserslautern, Germany b) National Centre for Laser Applications, Physics Department, National University of Irelan, Galway, Ireland c) Department of Materials Science and Engineering, University of Virginia 395 McCormick Road, Charlottesville, Virginia 22904-4745, USA Presented at COLA 07   Laser-induced plume expansion from a silicon wafer in a wide range of ambient gas pressure Alexey N. Volkova, German A. Lukianovbb, Gerard M. O’Connora a) National Centre for Laser Applications, National University of Ireland, Galway, Ireland; b) Center for Advanced Studies, Saint-Petersburg Polytechnical University, 29, Polytechnicheskay Str., 195251 Saint-Petersburg, Russia Proc. of SPIE Vol. 6985   Kinetic Limit of Heterogeneous Melting in Metals Dmitriy S. Ivanova and Leonid V. Zhigileib a) National Centre for Laser Applications, National University of Ireland, Galway, Ireland; b) Department of Materials Science and Engineering, University of Virginia, 395 McCormick Road, Charlottesville, Virginia 22904-4745, USA Phys. Rev. Lett. 98, 195701 (2007)   Simulation of shock-induced melting of Ni using molecular dynamics coupled to a two-temperature model L. Kočia E. M. Bringab D. S. Ivanovc J. Hawreliakb J. McNaneyb A. Higginbothamd L. V. Zhigileie A. B. Belonoshkof,g, B. A. Remingtonb and R. Ahuja1a,f a) Condensed Matter Theory, Physics Department, University of Uppsala, Box 530, SE-751 21 Uppsala, Sweden b) Lawrence Livermore National Laboratory, Livermore, California 94550, USA c) National Centre for Laser Applications, Galway, Ireland d) Department of Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU, United Kingdom e) Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia 22903, USA f) Applied Material Physics, Department of Materials Science and Engineering, Royal Institute of Technology, 100 44 Stockholm, Sweden g) Condensed Matter Theory, Alba Nova University Center, Physics Department, Royal Institute of Technology, 100 44 Stockholm, Sweden Phys. Rev. B 74, 012101 (2006)   Numerical modelling of plume expansion and motion of droplets of ablated material in a cavity during laser drilling of silicon wafer Alexey N. Volkova,b, Gerard M. O’Connora, Thomas J. Glynna a) National Centre for Laser Applications, National University of Ireland, Galway, Ireland b) Department of Materials Science and Engineering, University of Virginia, USA Presented at COLA 07 Hybrid Pulsed Laser Machining of Silicon H. Howarda, *, A. Conneelya, G.M. O’Connora, R. Jordanb a National University of Ireland, Galway, National Centre for Laser Applications (NCLA), Ireland. b Hewlett Packard Manufacturing Ltd, Leixlip, Co. Kildare Benefits of Non-Polar Assist Liquids as Alternatives to Water Assist in the Laser Machining of Silicon Helen Howard, Alan Conneely, Gerard M. O’Connor, Thomas J. Glynn, Rory Jordan (Hewlett Packard) To be presented at ICALEO 2007 Characteristics of High-Aspect Ratio Nanosecond Laser Ablation of Silicon at 355nm Wavelength Sedao, Alan Conneely, Gerard O’Connor, Tom Glynn Presented at ICALEO 2007 Mechanisms of water assist for overcoming the self-limiting effects of high aspect ratio machining of silicon and for minimising debris redeposit H. Howarda, A. Conneelya, G.M. O’Connora, R. Jordanb a National University of Ireland, Galway, National Centre for Laser Applications (NCLA), Ireland. b Hewlett Packard Manufacturing Ltd, Leixlip, Co. Kildare Proceeedings LPM2007 - 8th International Symposium on Laser Precision Microfabrication Paper Number: #07-60: We 6-01 Estimating spot size and relating hole diameters with fluence and number of shots for nanosecond and femtosecond laser ablation of polyethylene terephthalate C. Mullan, G. M. O'Connor, S. Favre, D. Ilie, T. J. Glynn Journal of Laser Applications, 2007, 19 (3) pp. 158-164 Machining hole arrays in polyimide using a UV solid state laser and predetermined temporal pulse patterns C. Mullan, D. Ilie, G. M. O'Connor, S. Favre, T. J. Glynn Laser-based Micro- and Nanopackaging and Assembly, Photonics West, San Jose, CA, USA, Proceedings of SPIE vol 6459, 2007, pp. 64590G Percussion drilling of polyimide using VUV and UV solid state lasers C. Mullan, D. Ilie, S. Favre, G. M. O'Connor, T. J. Glynn Laser-based Materials Processing, OptoIreland, Dublin, Proceedings of SPIE vol. 5827, 2005, pp. 475-485 Langmuir Probe Investigation of Plasma Expansion in Femto- and Picosecond Laser Ablation of Selected Metals P.T. Mannion, S.F. Favre, D.S. Ivanov, G.M. O’Connor, T.J. Glynn, J.G. Lunney, and B. Doggett, J. Phys.: Conference Series, (COLA'05 proceedings), in press (2006).   Experimental Investigation of Micromachining on Metals with Pulse Duration in the Range of the Electron-Phonon Relaxation Time (Pico to Sub-Picosecond) P.T. Mannion, S. Favre, D.S. Ivanov, G.M. O’Connor, T.J. Glynn, Proceeding Lasers in Manufacturing (LIM) 2005, 521-526 (2005). Microfabrication of Free-Standing Gallium Nitride using Laser Micromachining E. Gu and M.D. Dawson, Institute of Photonics, University of Strathclyde H. Howard, A. Conneely, and G.M. O'Connor, National Centre for Laser Applications P. Edwards and R. Martin, Department of Physics, University of Strathclyde Applied Surface Science 252 (2006) 4897–4901.   Analysis of entrapped debris during femtosecond machining of metals   Paul Mannion, Ed Coyne, Gerard O' Connor, Helen Howard,  Thomas J Glynn   Photonics North Conference (Ottawa), Sept 2004, SPIE vol 5578. Experimental investigation of micromachining on metals with pulse durations in the range of the electron-phonon relaxation time (pico to subpicosecond) Paul Mannion, Sebastian Favre, Dmitriy Ivanov, Gerard O’Connor, Thomas Glynn. Proc. Int. Conf. on Lasers in Manufacturing (Munich) 2005, LIM Proc. page 521. Comparison of Cell Interactions with Laser Machined Micron- and Nanoscale Features in Polymer Michael Ball, Úna Prendergast, Claire O’Connell, Richard Sherlock ESF Research Conference "Biological Surfaces and Interfaces", Saint Feliu de Guixols, Spain 18-23 June 2005 The interaction of nanosecond UV laser pulses with polyimide and  machining strategies for optimising micro-features D. Ilie , C. Mullan, S. Favre, G. M. O’Connor, T. J. Glynn  "Laser in Manufacturing 2005", Third  International WLT-Conference,  Munich, ISBN 3-00-016402-2, p551-556, June 2005 Reproducible Method for Fabricating Fused Biconical Tapered Couplers Using a CO2 Laser Based Process C. McAtamney, A. Cronin, R. Sherlock, G. M. O’Connor, T. J. Glynn "Laser in Manufacturing 2005", Third International WLT-Conference, Munich, ISBN 3-00-016402-2, p673-678, June 2005   A comparative study of channel formation in polymer materials using VUV and UV nano-second laser sources for use in micro-fluidic applications. S. McGinty, G. M. O’Connor and T. J. Glynn. Photonics Fabrication, Integration and Packaging, Proc. SPIE Vol. 5825, Development of a prediction equation for depth, aspect ratio and trench roughness pertaining to excimer laser ablation of polymer materials. S. McGinty, G. M. O’Connor and T. J. Glynn. Laser-based Material Processing, Proc. SPIE Vol. 5827, ???-???, 2005 Excimer Laser and Lamp-based Techniques Applied to the Nanostructuring of Biomaterials Ú.Prendergast, C.O’Connell, R.Sherlock, M.Ball, G. O’Connor, T.J.Glynn Laser materials processing: SPIE Conference Proceedings Vol.??? pp ???,2005. Laser-Based Workstation for the Manufacture of Fused Biconical Tapered Coupler Devices Andrew Cronin, Colm McAtamney, Richard Sherlock, Gerard M. O’Connor, Thomas J. Glynn. Articles in Press : Laser Based Materials Processing (Opto Ireland), SPIE Proceedings Vol. 5827,  pp. xxx-xxx, 2005 Cumulative damage effects in different machining strategies for 2.5D laser micro structuring of polyimide D. Ilie , C. Mullan, S. Favre, G. M. O’Connor, T. J. Glynn Laser-based Materials Processing (OPTOIreland), SPIE Vol. 5827, 2005 Langmuir probe study of plasma expansion in femtosecond pulsed laser ablation of silver Paul Mannion, Sebastian Favre, Gerard M. O'Connor, Brendan Doggett*, James G. Lunney*, Thomas J Glynn *Physics Department, Trinity College, Dublin, IrelandProceedings of SPIE Opto Ireland Conference 2005, Dublin. SPIE Vol. 5827,2005. Onset of phase explosion and the role of damage accumulation in ultrafast laser processing of metals in air.  P. Mannion, J.Magee, G.M. O’Connor, T.J. Glynn. Proceedings of conference on High Power Laser Ablation (Taos, New Mexico).  SPIE  Vol. 5448,  2004 Nanosecond laser silicon micro-machining.  J. Ren, S.S. Orlov, L.Hesselink, Stanford University H.Howard, A. Conneely, Laser Applications in Micro-electronics and Optoelectronic Manufacturing IX (Photonics West), SPIE Vol. 5339, 2004. Analysis of debris generated during UV laser micro-machining of silicon. A.Conneely, H. Howard, G.M. O’Connor, T.J. Glynn. Laser Applications in Micro-electronics and Optoelectronic Manufacturing IX (Photonics West), SPIE Vol. 5339, 2004 Analysis of thermal damage in bulk silicon with femtosecond laser micro-machining  E. Coyne, J.Magee, G.M. O’Connor, T.J. Glynn. Laser Applications in Micro-electronics and Optoelectronic Manufacturing IX (Photonics West), SPIE Vol. 5339, 2004 STEM (scanning transmission electron microscopy) analysis of femtosecond laser pulse induced damage to bulk silicon.  E. Coyne, J. Magee, P. Mannion, G. O’Connor, T.J. Glynn Articles in Press : Applied Physics A: Materials Science & Processing (2004) Analysis of damage induced in bulk silicon by femtosecond laser pulses. E. Coyne, J. Magee, P.T. Mannion, G.M. O’Connor, T.J. Glynn.  In press :  Jour. of Laser Applications   Characterisation of silicon ablation of silicon using gaussian femtosecond laser pulses and computer generated wavefront reconstruction. P. T. Mannion, J. Magee, E. Coyne, G. M. O’Connor and T. J. Glynn. Applied Surface Science,  229,  148-160, (2004)    The effect of damage accumulation behaviour on ablation thresholds and damage morphology in  ultrafast laser micro-machining of common metals in air  P. T. Mannion, J. Magee, E. Coyne, G. M. O’Connor and T. J. Glynn Applied Surface Science. 233, 275-287 (2004) Cell interactions with laser-modified polymer surfaces  M. D. Ball, R. Sherlock, T. Glynn Journal of Materials Science: Materials in Medicine, 15 (4), 447-449. 2004. Application of Spectral Reflectivity to the Measurement of Thin-Film Thickness T. Flaherty and G.M. O’Connor Optics & Photonics Technologies and Applications, SPIE Proceedings Vol. 4876,  pp. 976-983, 2003 Development and Application of an Ultrafast Laser Micro-Machining Workstation J. Magee, P. Mannion, E. Coyne and G. M. O’Connor, Optics & Photonics Technologies and Applications, SPIE Proceedings Vol. 4876,  pp. 553-563, 2003 A study of femtosecond laser interaction with wafer grade silicon E. Coyne, J. Magee, P. Mannion, & G.M. O’Connor Optics & Photonics Technologies and Applications, SPIE Proceedings Vol. 4876, pp. 487-499, 2003. Ablation thresholds and feature quality in ultrafast laser micro-machining of common metals in air P. Mannion,  J. Magee, E. Coyne, & G.M. O’Connor Optics & Photonics Technologies and Applications, SPIE Proceedings Vol. 4876, pp. 470-478, 2003 Method for the determination of the focussed spot size of industrial laser beams based on the drilling of holes in mylar film Helen Howard, A. Conneely, G. M. O'Connor, T.J. Glynn Optics & Photonics Technologies and Applications, Proc. SPIE Vol. 4876,  541-552, 2003 Endothelial Cell Growth on Surface Modified Medical Polymers R. Sherlock, D. Bhogal, M. Ball Optics & Photonics Technologies and Applications, Proc. SPIE Vol. 4876, 11-17, 2003 Process planning for laser-assisted forming J. Magee and L.J. De Vin J Mater Process Technol Vol. 120 pp 322-326,  2002. Strain Gauge Analysis of Laser Forming S.P. Edwardson, K.G. Watkins, G. Dearden P. French, J. Magee Proceedings of International Congress of Lasers & Electro Optics, (ICALEO ’02), (Scottsdale, Arizona  U.S.A. 2002). Laser Forming of Aerospace Alloys K.G. Watkins, S.P. Edwardson, J. Magee, G. Dearden P. French, N. Cooke, J. Sidhu, and N. Calde. Proceedings of the Society of Automotive Engineers, 2001-01-2610, (2001). Microstructure and micro-hardness study of laser bent Al-2024-T3 J. Ramos, J. Magee, and K.G. Watkins.  Journal of Laser Applications, 13(1), 32-40 (2001). Laser Techniques Applied to Joining Technologies R. Sherlock, T. Hübner, T. Flaherty, G.M. O’Connor, & T.J. Glynn MEDTEC Ireland 2001, Galway, (2001). Generation of 3D shapes using a laser forming technique S.P. Edwardson, K.G. Watkins, G. Dearden, J. Magee Proceedings International Congress of Lasers & Electro Optics, (ICALEO ’01), (Jacksonville, Florida, U.S.A. 2001). 3-D Laser forming of saddle shapes S.P. Edwardson, K.G. Watkins, G. Dearden, J. Magee Laser Assisted Net Shape Engineering 3.  Proceedings of LANE ’01 Conference, ed. M. Geiger & A. Otto, (Meisenbach Bamberg, Germany) Optical monitoring of laser generated plasma during laser welding J.O. Connolly, G.J. Beirne, G.M. O’Connor, T.J. Glynn, and A.J. Conneely Laser plasma generation and diagnostics:  SPIE Conference Proceedings Vol. 3935, pp 132-138, 2000.  .     Applications of high power lasers in electronic assembly T.J. Glynn, A.Flanagan, A. Conneely Key Engineering Technologies 118/119 (1996) 147-155. Laser soldering and inspection of fine-pitch electronic components  A.J. Conneely, A. Flanagan, T.J. Glynn, and G. Lowe Jour. of Materials Processing Tech. 56 (1996) 531-541. Material characterisation using optical spectroscopic techniques G.M. O'Connor, C.McDonagh, T.J. Glynn, and G.P. Morgan  Journal of Materials Processing Technology v 56 n 1-4 Jan 1996. p 211-221, 1996    Applications of the Nd:YAG laser in electronic assembly processes A.Flanagan and T.J. Glynn Laser Processing : Surface Treatment and Film Deposition,  J Mazumder et al. (eds.) Kluwer Academic Publishers, The Netherlands (1996) pp. 933-944. Development of a Soldering/Inspection Workcell for Surface Mount Devices  A.J. Conneely, A. Flanagan, P.G. Lowe and T.J. Glynn Optical Engineering 33 (1994) 3963-3968. Finite element thermal modeling of the laser soldering process T.J. Glynn, A. Flanagan and G. Lowe Key Engineering Materials, 1993, Vol. 86-87, pp. 329-336    Laser soldering of surface mount components and memory chips T.J. Glynn, A. Flanagan, A. Conneely, and G.Lowe Conf. on Applications of Lasers and Electro-optics (ICALEO 92), Orlando (Florida).  Laser Institute of America Vol. 75 (1993) 405-414. Laser safety primer for industrial and medical users T.J. Glynn and M. Walsh Journal of Laser Applications, 4 (1992) 33-38. Excision of Surface Mount Devices using a Nd:YAG laser A. Flanagan, G. Lowe, T.J. Glynn, and R.M. Redfern Key Engineering Materials 1992, 72/74,  pp 433-439. Lasers and Applied Optics Course for Industrial Personnel Conference on Education In Optics, SPIE Vol. 1603 (1992) 325-328. Reflow soldering of fine-pitch devices using a Nd:YAG laser.  T.J. Glynn, A. Flanagan, and R.M. Redfern.  Lasers in Microelect.  Manufacturing, SPIE Vol. 1598 (1992) 200-205.

Spectroscopy

Time-resolved fluorescence micro-spectroscopy for characterizing crude oils in bulk and in hydrocarbon bearing fluid inclusions A.G. Ryder, M. Przyjalgowski, M.Feely, B. Szczupak, and T.J. Glynn Articles in Press : Applied Spectroscopy (2004) Fluorescence lifetime based pH sensing using Resorufin S. Power, A. Ryder, T. J. Glynn Optics & Photonics Technologies & Applications, Proc. SPIE Vol. 4876, 827-835, 2003 Influence of chemical composition on the fluorescence lifetimes of crude petroleum oils A. G. Ryder, T. J. Glynn, and M. Feely Optics & Photonics Technologies and Applications, Proc. SPIE Vol. 4876, 1188-1195, 2003 Evaluation of acridine in Nafion as a fluorescence lifetime based pH sensor  A.G. Ryder, Sarah Power, T.J. Glynn Applied  Spectroscopy 2003, 57(1), 71-79 Optical studies of GaInP/InP quantum dots G. J. Beirne, M. Jetter, M. Rossi, J. Porsche, F. Scholz, H. Schweizer and T. J. Glynn. J. Luminescence, 102, 1-6 (2003). Optical studies of GaxIn1-xP/Ga0.5In0.5P quantum dots J. Beirne, M. Jetter, M. Rossi, J. Porsche, F. Scholz, H. Schweizer, T. J. Glynn Physica Status Solidi (c), 0, 1225-1228 (2003). Time-resolved single dot spectroscopy of type II InP/GaInP quantum dots M. Jetter, M. Rossi, G. J. Beirne, J. Porsche, T. J. Glynn, F. Scholz, H. Schweizer Physica Status Solidi (c), 0, 1197-1200 (2003). Characterisation of crude oils using fluorescence lifetime data A.G. Ryder, T.J. Glynn, M.Feely, A.J.G. Barwise Spectrochimica Acta, (2002) 58(5): 1025-1038. Characterisation of an antibody coated micro-cantilever as a potential immuno-based sensor C. Grogan, R.Raiteri, G.M. O’Connor, T.J. Glynn, V. Cunningham, M.Kane, M. Charltom, and D. Leech Biosensors & Bioelectronics (2002) 17 201-207. Compact violet laser diode laser based fluorescence lifetime microscope  A.G. Ryder, T..J. Glynn, M. Przvjalgowski, B. Szczupak Journal of Fluorescence, 2002, 12(2), pp. 177-180. Classification of narcotics in solid mixtures using Principal Component Analysis and Raman spectroscopy  A.G. Ryder Journal of Forensic Sciences, 2002. Vol.47, pp. 275-284. High pressure diamond and diamond like carbon deposition using a microwave CAP reactor.  M.L. McConnell, D.P. Dowling, C. Pope, K. Donnelly, A.G. Ryder, and G.M. O’Connor,  Diamond and Related Materials. 2002, Vol. 11, pp. 1036-1040, Quantitative analysis of crude oils by fluorescence lifetime and steady state measurements using 380 nm excitation. A.G. Ryder Applied Spectroscopy,  2002,  56, 107-116 Time Domain measurement of fluorescence lifetime variation with pH  A.G. Ryder, T..J. Glynn, M. Przvjalgowski, B. Szczupak Proc. SPIE Vol. 4259 ( 2001), 102-109 Time-resolved fluorescence studies of porphycene and tetrasulfonated phthalocyanine dyes in varying solvents S. Gundy, W. Van der Putten, A. Shearer, A. G. Ryder, M. Ball Proc SPIE vol. 4432, 2001, pp. 299-309. Solvent effects on the luminescent properties of conjugated molecules K. Henderson, A.B. Dalton, G. Chambers, A. Drury, S. Maier, A.G. Ryder, W. Blau, and H.J. Byrne, Synthetic Metals, 2001, 119(1-3), pp. 555-556. Quantitative analysis of cocaine in solid mixtures using Raman spectroscopy and chemometric methods  A. G. Ryder, G. M. O’Connor, and T. J. Glynn Journal of Raman Spectroscopy, 31, (2000) 221-227. Temperature dependence of InP/GaInP quantum dot photoluminescence. G.J. Beirne, I.L. Farrell, C.M. Grogan, J.O. Connolly, G.M. O’Connor, T.J. Glynn, K.K. Thomas, J.D. Lambkin Microelectronic Engineering 51-52, (2000) 73-78. Transient luminescence line shapes for Mn2+ ions in ZnS nanocrystals F.G. Anderson, W.M. Dennis, G.F. Imbusch J. Luminescence, 90 (1-2) 27-32 (2000) Identification and quantitative measurements of narcotics in solid mixtures using near-IR Raman spectroscopy and multivariate analysis A.G. Ryder, G.M. O’Connor, and T.J. Glynn Journal of Forensic Sciences 44 (1999) 1013-1019. Chromium centers in LiNbO3 revisited G.M. Salley, S.A. Basun , G.F. Imbusch , A.A. Kaplyanskii, S. Kapphan, R.S. Meltzer,  U. Happek.    J. Luminescence,  83-4, 423-427, 1999 Intensity pump effects in the kinetics of the 4I11/2 level in ErAG S. Georgescu, V. Lupei, T.J. Glynn, and R.J. Sherlock Optics Communications 155, (1998) 61-67. Spectroscopic investigations of Ni in MgNb2O6 and ZnNb2O6  R.J. Sherlock, T.J. Glynn, G.F. Imbusch, G.W. Walker, K.W. Godfrey J. Luminescence 72-74 (1997) 268-269. Photoluminescence investigation of carrier confining properties of multiquantum barriers A.P. Morrison, L. Considine, S. Walsh, N. Cordero, J.D. Lambkin, G. M. O'Connor, E.M. Daly, T.J. Glynn, C.J. van der Poel IEEE Jour. of Quant. Electronics, 33 (1997) 1338-1344. Mn2+ and Cr3+ luminescence in jadeite (NaAlSi2O6) G. Walker, A. El Jaer, R. Sherlock, T.J. Glynn. 4th International School on Excited States in Transition Elements, Duszniki Zdroj, Poland, (1997). Luminescence spectroscopy of Cr3+ and Mn2+ in Spodumene (LiAlSi2O6) G. Walker, A. El Jaer, (UMIST), R. Sherlock, T.J. Glynn., M. Czaja, and Z. Mazurak (Department of . Earth Sciences, Silesian University, Poland) J. Luminescence 72-74 (1997), 278-280.  Comparisons of the luminescence properties of spodumene and jadeites G. Walker, A. El Jaer, N.T. Gorton, R. Sherlock, T.J. Glynn International Conference on Cathodoluminesce and Related Techniques in Geosciences, Nancy, France, (1996) Thermal effects on the quantum efficiency of 3 mm Er3+ lasers S. Georgescu, V. Lupei, T.J. Glynn, R. Sherlock Radiation Effects and Defects in Solids 136, (1996) 23-27 Population dynamics of the three-micron emitting level of Er3+ in YAlO3. S. Georgescu, V. Lupei, M. Trifan, T.J. Glynn, R. Sherlock J. Appl. Phys. 80 (1996) 6610-6613. Temperature dependence of the luminescence from InP/InGaAs quantum-wells E. Daly, T.J. Glynn, C.J. McDonagh, G. O'Connor, G.P. Morgan Key Engineering Technologies 118/119 (1996) 157-163 Energy band structure of Type I and Type II InGaP/InAlP short period superlattices J.D. Lambkin, A.P. Morrison, L. Considine, G.M. O'Connor, C.J. McDonagh, E.Daly and T.J. Glynn.  Proc. 22nd Inernational Conference on Physics of Semiconductors, (Vancouver) Optical spectroscopy of Ni-doped MgNb2O6 and ZnNb2O6 P. McBride, R.Sherlock, T.J. Glynn, and G. Walker Applied Spectroscopy 32 (1995) 317-323. Behaviour of In0.48Ga0.52P/(Al0.2Ga0.8)0.52In0.48P quantum well luminescence as a function of temperature M Daly, T.J. Glynn, J.D. Lambkin, L. Considine and S. Walsh Phys. Rev. B52 (1995) 4696-4699. Direct determination of the upconversion parameter ratio (W2/W1) for 3mm Erbium lasers S. Georgescu, V. Lupei, M.P. Dinca, T.J. Glynn, R. Sherlock. 7th Europhysical conference on defects in insulating materials, Université Lyon, France, (1994) Luminescence of Ni2+ centers in forsterite (Mg2SiO4) N. Kuleshov, V. Mikhailov, V. Scherbitsky, B. Minkov, T.J. Glynn, R. Sherlock J. Luminescence 60/61 (1994) 123-126. Concentration quenching of the 4I9/2 level of Er3+ in laser crystals S. Georgescu, V. Lupei, T.J. Glynn, R. Sherlock Opt. Comm. 76 (1994) 75-78. Luminescent properties of Cr3+-doped LaSr2Ga11O20 C.J. McDonagh, T.J. Glynn, G.F. Imbusch, G.P.Morgan, and A.A. Kaminskii J. Luminescence 60/61 (1994) 154-157. Spectroscopic determinations of the "Figures of merit" for 3 mm erbium lasers S. Georgescu, T.J. Glynn, R. Sherlock, and V. Lupei J. Luminescence 60/61 (1994) 241-244. Development of an optical materials characterisation facility G.M. O'Connor, C.J. McDonagh, T.J. Glynn, and G.P. Morgan Optical Engineering 33 (1994) 3931-3936 Temperature dependence of the PL intensity of ordered and disordered In0.48Ga0.52P J.D. Lambkin, L. Considine, S. Walsh, G. O'Connor, C.J. McDonagh, and T.J. Glynn Appl. Phys. Lett. 65 (1994) 73-75. Absorption and luminescence properties of Y2SiO5 crystals co-doped with Cr and Mg N. Kuleshov, V. Mikhailov, V.G. Scherbitskii, V.A. Sandulenko, and T.J. Glynn Opt. Spectrosc. 77 (1994) 225-227. Luminescence study of Cr4+-doped silicates N. Kuleshov, V. Mikhailov, V. Scherbitsky, B. Minkov, T.J. Glynn, R. Sherlock Optical Materials 5 (1994) 507-513. Luminescence from tetrahedral and octahedral Fe3+ centres in synthetic spinel (MgAl2O4) G. Walker, T.J. Glynn, R. Sherlock International Conference on Luminescence, University of Connecticut, USA, (1993) Luminescence study of Cr4+-doped silicates V.P. Mikhailov, N.V. Kuleshov, T.J. Glynn, R. Sherlock. International Conference on Luminescence, University of Connecticut, USA, (1993) Luminescence from tetrahedral Co2+ ion in MgAl2O4 N.V. Kuleshov, V.P. Mikhailov, T.J. Glynn, R. Sherlock. International Conference on Luminescence, University of Connecticut, USA, (1993) Characterisation of semiconductor materials using Raman scattering T.J. Glynn, G.M. O'Connor, and G.P. Morgan Key Engineering Materials 72/74 (1992) 373-380. An optical and MCD-ODMR study of the Co2+ ion in LiGa5O8 J.F. Donegan, F.G. Anderson, F.J. Bergin, T.J. Glynn and G.F. Imbusch Physical Review B45 (1992)  563-573. Infrared luminescence of iron doped synthetic forsterite G.Walker and T.J. Glynn.  J. Luminescence  52, (1992) 131-137. Spectroscopy of Laser Active Media T.J. Glynn Proceedings of Conference on Education In Optics, SPIE Vol. 1603 (1992) 458-462. Characterisation study of diamond and diamond-like carbon D.P. Dowling, M.J. Ahern, T.C. Kelly, B.J. Meenan, N.M.D. Browne, G.M. O'Connor, T.J. Glynn. Surface and Coatings Technology 53, (1992) 177-183. Raman characterisation of passivated GaAs surfaces G.M. O'Connor, C.J. McDonagh, F.G. Anderson, T.J. Glynn, G.P. Morgan, G.J. Hughes, L. Roberts, M.O. Henry Applied Surface Science, 50 (1991) 312-316. Investigation of the passivating effect of H2S on the GaAs (100) surface G.J. Hughes, L. Roberts, M.O. Henry, K.McGuigan, G.M. O'Connor, F.G.Anderson, G.P. Morgan, T.J. Glynn Materials Science and Engineering B9 (1991) 37-41.

Patents
Through-Transmission Welding of Catheter Components G. Clarke, C. Mcnamara, H. McDonagh, Medtronic AVE R. Sherlock, G. O'Connor, National Centre for Laser Applications	Patent Number: US 6,740,191 B2