1. Department of Electrical-Electronics Engineering; Mersin University Ciftlikkoy; Mersin 33343 Turkey
2. Millimeter Wave and Terahertz Tech. Research Laboratory. TÖBİTAK-MRC, Materials Institute Gebze; Kocaeli Turkey
3. Department of Electrical and Electronics Engineering; Karamanoğlu Mehmetbey University; Karaman Turkey