High functionality mode transformers with bandwidth control and mode selectivity

• Published in: 2002 IEEE MTT-S International Microwave Symposium Digest (Cat. No.02CH37278) Vol. 3; pp. 2013 - 2016 vol.3
• Main Authors: Ming-Chuan Yang, Webb, K.J.
• Format: Conference Proceeding Journal Article
• Language: English
• Published: IEEE 2002
• Subjects: Bandwidth; Design optimization; Dielectrics; Frequency conversion; Optical filters; Optical scattering; Optical waveguides; Periodic structures; Rectangular waveguides; Transformers

We propose high functionality field transformation in irregular rectangular waveguide structures. Multiresolution optimization allows good convergence and a stepped wall profile provides for a large number of degrees of freedom. The resulting structures are compact, with dimension of a few wavelengt...