1. Physics Program, Faculty of Science and Technology Nakhon Pathom Rajabhat University Nakhon Pathom 73000 Thailand
2. Center of Excellence in Glass Technology and Materials Science (CEGM) Nakhon Pathom Rajabhat University Nakhon Pathom 73000 Thailand
3. Center of Radiation Research and Medical Imaging Department of Radiologic Technology Faculty of Associated Medical Sciences Chiang Mai University Chiang Mai 50200 Thailand