Yu, C.-C.C.-C.YuTAH HSIUNG CHU2020-06-162020-06-161992https://scholars.lib.ntu.edu.tw/handle/123456789/502268Analysis of step discontinuities in dielectric?slab and dielectric?loaded waveguides using geometric?optics approachjournal article10.1002/mop.46500511102-s2.0-0026940717https://www.scopus.com/inward/record.uri?eid=2-s2.0-0026940717&doi=10.1002%2fmop.4650051110&partnerID=40&md5=5f7dde07736494b100498f453dae84e1