1. School of Physics and CRANN, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland
2. National Institute of Lasers and Optronics (NILOP), P.O. Nilore, 45650 Islamabad, Pakistan
3. National Tokamak Fusion Program, P.O. Nilore, 45650 Islamabad, Pakistan
4. Sustainable Energy Technologies Center, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
5. Department of Chemistry, College of Science, King Saud University Riyadh, P.O. Box 2455, Riyadh 11451, Saudi Arabia
6. Department of Physics, University of Azad Jammu and Kashmir, Muzaffarbad 13100, Pakistan