Hyung-Do Yoon, Yea-Sol Jang, Yong-Gon Seo, Geon-Soo Ryoo and Jung Gyu Kang 2026. FABRICATION AND CHARACTERIZATION OF AN EPOXY-FREE OPTICAL FILTER STRUCTURE FOR OPTICAL COMMUNICATION NETWORK APPLICATIONS. MATTER: International Journal of Science and Technology. (Jun. 2026), 70–71. DOI:https://doi.org/10.20319/stra.2026.7071.