Design of Dual Ultra–Wideband Band–Pass Filter Using Stepped Impedance Resonator λg/4 Short Stubs and T–Shaped Band-Stop Filter

by Kicheol Yoon, Kwanggi Kim
Published 2021-08-01

Compact Size of an Interdigital Band-Pass Filter with Flexible Bandwidth and Low Insertion-Loss Using a Folded Spiral and Stepped Impedance Resonant Structure

by Kicheol Yoon, Kwanggi Kim
Published 2021-08-01

Design of a Long-Pass Filter with Effects on Fluorescence Image Observation for Surgical Fluorescence Microscope Applications

by Jinkyu Kim, Kicheol Yoon, Kwanggi Kim
Published 2021-08-01

A Surgical Pen-Type Probe Design for Real-Time Optical Diagnosis of Tumor Status Using 5-Aminolevulinic Acid

by Kicheol Yoon, Kwanggi Kim, Seunghoon Lee
Published 2021-06-01