J. R. Freeman

Comparison of optical emission from nanosecond and femtosecond laser produced plasma in atmosphere and vacuum conditions

J. R. Freeman, S. S. Harilal, Prasoon K. Diwakar et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 2013 · 154 citations

Natural Sciences, Physics, Optics +15

Dynamics of femto- and nanosecond laser ablation plumes investigated using optical emission spectroscopy

B. Verhoff, S. S. Harilal, J. R. Freeman et al. · Journal of Applied Physics · 2012 · 142 citations

Natural Sciences, Physics, Plasma Physics +16

Role of laser pre-pulse wavelength and inter-pulse delay on signal enhancement in collinear double-pulse laser-induced breakdown spectroscopy

Prasoon K. Diwakar, S. S. Harilal, J. R. Freeman et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 2013 · 95 citations

Natural Sciences, Physics, Optoelectronics +16

Background gas collisional effects on expanding fs and ns laser ablation plumes

S. S. Harilal, Nazar Farid, J. R. Freeman et al. · Applied Physics A · 2014 · 89 citations

Natural Sciences, Physics, Plasma Physics +7

Laser wavelength dependence on angular emission dynamics of Nd : YAG laser-produced Sn plasmas

J. R. Freeman, S. S. Harilal, B. Verhoff et al. · Plasma Sources Science and Technology · 2012 · 51 citations

Natural Sciences, Physics, Optics +16