1. Multimedia University,Fiber Optics Research Center, Faculty of Engineering,Cyberjaya,Selangor,Malaysia,63100
2. Multimedia University,Faculty of Engineering,Cyberjaya,Selangor,Malaysia,63100
3. Universiti Sains Malaysia (USM), Bertam, Kepala Batas,Advanced Medical and Dental Institute,Penang,Malaysia,13200
4. Sunway University,Centre for Applied Physics and Radiation Technologies,PJ,Malaysia,46150