Comparison of optical emission from nanosecond and femtosecond laser produced plasma in atmosphere and vacuum conditions JR Freeman, SS Harilal, PK Diwakar, B Verhoff, A Hassanein Spectrochimica Acta Part B: Atomic Spectroscopy 87, 43-50, 2013 | 163 | 2013 |
Dynamics of femto-and nanosecond laser ablation plumes investigated using optical emission spectroscopy B Verhoff, SS Harilal, JR Freeman, PK Diwakar, A Hassanein Journal of Applied Physics 112 (9), 2012 | 152 | 2012 |
Femtosecond laser ablation: Fundamentals and applications SS Harilal, JR Freeman, PK Diwakar, A Hassanein Laser-Induced Breakdown Spectroscopy: Theory and Applications, 143-166, 2014 | 105 | 2014 |
Role of laser pre-pulse wavelength and inter-pulse delay on signal enhancement in collinear double-pulse laser-induced breakdown spectroscopy PK Diwakar, SS Harilal, JR Freeman, A Hassanein Spectrochimica Acta Part B: Atomic Spectroscopy 87, 65-73, 2013 | 81 | 2013 |
Background gas collisional effects on expanding fs and ns laser ablation plumes SS Harilal, N Farid, JR Freeman, PK Diwakar, NL LaHaye, A Hassanein Applied Physics A 117 (1), 319-326, 2014 | 77 | 2014 |
Enhancements of extreme ultraviolet emission using prepulsed Sn laser-produced plasmas for advanced lithography applications JR Freeman, SS Harilal, A Hassanein Journal of Applied Physics 110 (8), 2011 | 60 | 2011 |
Laser wavelength dependence on angular emission dynamics of Nd: YAG laser-produced Sn plasmas JR Freeman, SS Harilal, B Verhoff, A Hassanein, B Rice Plasma Sources Science and Technology 21 (5), 055003, 2012 | 50 | 2012 |
Laser-induced breakdown spectroscopy SS Harilal, JR Freeman, PK Diwakar, A Hassanein Springer Series in Optical Sciences 182, 143-166, 2014 | 32 | 2014 |
Improvements in discrimination of bulk and trace elements in long-wavelength double pulse LIBS JR Freeman, PK Diwakar, SS Harilal, A Hassanein Spectrochimica Acta Part B: Atomic Spectroscopy 102, 36–41, 2014 | 21 | 2014 |
Effect of prepulse laser wavelength on EUV emission from CO2 reheated laser-produced Sn plasma JR Freeman, SS Harilal, A Hassanein, B Rice Applied Physics A 110, 853-856, 2013 | 18 | 2013 |
Wavelength dependence of prepulse laser beams on EUV emission from CO2 reheated Sn plasma JR Freeman, SS Harilal, T Sizyuk, A Hassanein, B Rice Extreme Ultraviolet (EUV) Lithography III 8322, 146-152, 2012 | 5 | 2012 |
Comparison of nanosecond and femtosecond LIBS SS Harilal, JR Freeman, P Diwakar, A Hassanein CLEO: Science and Innovations, CTu2H. 8, 2013 | 2 | 2013 |
Effects of pre-pulses on extreme ultraviolet conversion efficiency in laser-produced tin plasmas JR Freeman, RW Coons, SS Harilal, SM Hassan, A Hassanein 2011 Abstracts IEEE International Conference on Plasma Science, 1-1, 2011 | 2 | 2011 |
Optimization of laser-produced plasmas for nanolithography and materials detection JR Freeman Purdue University, 2014 | | 2014 |