CMUXE People

Justin Justin Freeman
Graduate student

Tel: (765)496-3851; 496-2851 (lab)
E mail:

Research topics

EUV lithography, Laser Produced Plasma sources, LIBS


BS ME (Univ. Rhode Island)


  1. Freeman J., Harilal S.S., Diwakar P.K., Verhoff B., and Hassanein A.(2013)
    Comparison of optical emission from ns and fs LPP in atmosphere and vacuum conditions
    Spectrochimica Acta B, 87, 65-73. PDF

  2. Diwakar P.K., Harilal S.S., Freeman J. and Hassanein A.(2013)
    Role of laser pre-pulse wavelength and inter-pulse delay on signal enhancement in collinear DP-LIBS
    Spectrochimica Acta B, 87, 43-50. PDF

  3. Harilal S.S., J. R. Freeman, P. Diwakar and A. Hassanein (2013)
    Comparison of nanosecond and femtosecond LIBS
    CLEO Technical Digest, Art. No. CTu2H.8 PDF

  4. Freeman J., Harilal S.S., Sizyuk T., Hassanein A and Rice B (2012)
    Wavelength dependence of prepulse laser beams on EUV emission from CO2 reheated Sn plasma
    Proceedings of SPIE 8322, 83220H

  5. Freeman J., Harilal S.S., Hassanein A. and Rice B. (2013)
    Effect of prepulse laser wavelength on EUV emission from CO2 reheated laser-produced Sn plasma Applied Physics A 110, 853-856 PDF

  6. J. R. Freeman, R. W. Coons, S. S. Harilal, S. M. Hassan, and A. Hassanein (2011)
    “Effects of Pre-Pulses on Extreme Ultraviolet Conversion Efficiency in Laser-Produced Tin Plasmas” Proceeding of IEEE ICOPS

  7. J. R. Freeman, S. S. Harilal, and A. Hassanein (2011)
    "Enhancements of extreme ultraviolet emission using prepulsed Sn laser-produced plasmas for advanced lithography applications", Journal of Applied Physics 110 083303 PDF