Schlaak, H.F.H.F.SchlaakSulz, G.G.SulzBrandenburg, A.A.Brandenburg2022-03-082022-03-081986https://publica.fraunhofer.de/handle/publica/314317(Integrated optical couplers with circular waveguides have been fabricated by ion exchange in BK7 glass and investigated. A theoretical model for the coupling ratio with good agreement to the experimental results has been derived. -IPM-)enIonenaustauschOptik(integriert)RichtkopplerWellenleiter(gekruemmt)621conference paper