1. Faculty of Education, Department of Mathematical and Natural Science Education, Sivas Cumhuriyet University, Sivas, Turkey
2. Faculty of Technology, Department of Optical Engineering, Sivas Cumhuriyet University, Sivas, Turkey
3. Faculty of Science, Department of Physics, Sivas Cumhuriyet University, Sivas, Turkey
4. Faculty of Science, Department of Physics, Dokuz Eylül University, Buca, İzmir, Turkey