title: Transmission and coupling losses in a folded waveguide.
abstract: This paper discusses the transmission and coupling losses of hollow dielectric waveguide modes in a folded waveguide structure. The folded structure consists of two square-bore waveguides placed symmetrically above a spherical mirror with a nonzero on-axis angle between them. The presence of the fold renders the structure astigmatic. However, for moderate fold angles (10-20 degrees ), the effect of the fold is negligible.
authors.forename: J
authors.initials: J
authors.lastname: Banerji
authors.forename: A R
authors.initials: AR
authors.lastname: Davies
authors.forename: P E
authors.initials: PE
authors.lastname: Jackson
authors.forename: R M
authors.initials: RM
authors.lastname: Jenkins