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Thin Films of Block Copolymers as Planar Optical Waveguides
Author(s) -
Kim D. H.,
Lau K. H. A.,
Robertson J. W. F.,
Lee O.J.,
Jeong U.,
Lee J. I.,
Hawker C. J.,
Russell T. P.,
Kim J. K.,
Knoll W.
Publication year - 2005
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200500170
Subject(s) - materials science , planar , copolymer , dielectric , thin film , waveguide , refractive index , optics , fresnel equations , polarization (electrochemistry) , optoelectronics , composite material , nanotechnology , polymer , computer graphics (images) , computer science , chemistry , physics
Thin films of diblock copolymers with cylindrical microdomains oriented normal to the film plane are employed as planar optical waveguides in the Kretschmann configuration (see Figure). Their waveguiding properties were investigated by optical waveguide spectroscopy. The dielectric constants and the film thickness of the block copolymer layer can be independently obtained from fitting between the waveguide patterns for s‐ and p‐polarization and Fresnel calculations.