175 2008-08-04T21:03:01-07:00 Photonics Laser and Plasma Research Institute, Shahid Behehsti University MSc violetcrow@gmail.com, mor.karami@mail.sbu.ac.ir Morteza 231 Karami 'karami':2 'photon':5 'morteza':1 'violetcrow@gmail.com':3 'mor.karami@mail.sbu.ac.ir':4 2009-10-01T06:35:59-07:00