Analysis of 3-Dimensional Optical Waveguides by the FE-BPM Based on Newmark Scheme and PML Charoenying, S. ; Niphatsan, P. ; Angkaew, T. Abstract Publication: 2001 Asia-Pacific Radio Science Conference AP-RASC 2001 Pub Date: 2001 Bibcode: 2001aprs.confQ..90C