1. Department of Physics, Faculty of Science, Cumhuriyet University, 58140 Sivas, Turkey
2. Department of Optical Engineering, Faculty of Technology, Cumhuriyet University, 58140 Sivas, Turkey
3. Department of Primary Education, Faculty of Education, Cumhuriyet University, 58140 Sivas, Turkey
4. Department of Physics, Faculty of Science, Dokuz Eylül University, 35160 Buca, İzmir, Turkey