title: Low-loss measurement in partially buried opticalwaveguideson glass with a plastic prism.
abstract: Surface and buried planar waveguides have been fabricated in glass microscope slides with purely thermal potassium and sodium ion-exchange techniques. We measured propagation loss as low as 0.08 dB/cm in the partially buried waveguides using an improved two-prism coupling method. The method includes a plastic prism and involves applying heat to soften the base of the outcoupling plastic prism so that the prism is temporarily in extremely close contact with the waveguide surface.
authors.forename: Y
authors.initials: Y
authors.lastname: Zhou
authors.forename: M K
authors.initials: MK
authors.lastname: Chin
authors.forename: K S
authors.initials: KS
authors.lastname: Lai
authors.forename: C C
authors.initials: CC
authors.lastname: Wong