1. National Defence University of Malaysia,Faculty of Engineering,Department of Electrical & Electronics Engineering,Kuala Lumpur,Malaysia
2. Universiti Tunku Abdul Rahman,Faculty of Engineering & Science (LKC FES),Department of Electrical & Electronic Engineering,Kajang,Malaysia
3. Universiti Kebangsaan Malaysia,Photonics Technology Laboratory, Faculty of Engineering,Department of Electrical, Electronic and Systems Engineering,Bangi,Malaysia