[1] CUNY City Coll, Inst Ultrafast Spect & Lasers, New York, NY 10031 USA
[2] CUNY City Coll, New York State Ctr Adv Technol Ultrafast Photon M, New York, NY 10031 USA
[3] CUNY City Coll, Dept Phys, New York, NY 10031 USA
[4] CUNY, Grad Sch, Inst Ultrafast Spect & Lasers, New York, NY 10031 USA
[5] CUNY, Grad Sch, New York State Ctr Adv Technol Ultrafast Photon M, New York, NY 10031 USA
[6] CUNY, Grad Sch, Dept Phys, New York, NY 10031 USA