1. Electrical EngineeringFaculty of Industry and TechnologyRajamangala University of Technology IsanSakon Nakhon Campus, 199 PhungkonSakon Nakhon47160Thailand
2. Computational Optics Research GroupAdvanced Institute of Materials ScienceTon Duc Thang UniversityDistrict 7Ho Chi Minh City700000Vietnam
3. Faculty of Electrical & Electronics EngineeringTon Duc Thang UniversityDistrict 7Ho Chi Minh City700000Vietnam
4. Department of Electrical and Electronics EngineeringFaculty of Industrial TechnologyLoei Rajabhat UniversityLoeiThailand
5. Department of PhysicsFaculty of ScienceKasetsart UniversityBangkok10900Thailand
6. Kotel'nikov Institute of Radioengineering and ElectronicsRussian Academy of SciencesMoscow125009Russia
7. Laser CenterIbnu Sina Institute for Industrial and Scientific Research Universiti Teknologi Malaysia (UTM)81300Johor BahruMalaysia
8. Kasem Bundit UniversityBangkok10250Thailand