Temperature dependence of index of refraction of polymeric waveguides

Temperature dependence of index of refraction of polymeric waveguides

The temperature dependence of refractive index of polymer films was determined for a number of slab waveguides by a grating coupling method. This dependence was examined as a function of parameters such as molecular weight and glass transition temperature of the polymer. Temperature-induced changes...

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Veröffentlicht in:Journal of lightwave technology 1992-04, Vol.10 (4), p.420-425
Hauptverfasser: Moshrefzadeh, R.S., Radcliffe, M.D., Lee, T.C., Mohapatra, S.K.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Electrooptic modulators
Exact sciences and technology
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical devices
Optical films
Optical losses
Optical refraction
Optical scattering
Optical waveguides
Polymer films
Refractive index
Temperature dependence
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Zusammenfassung:The temperature dependence of refractive index of polymer films was determined for a number of slab waveguides by a grating coupling method. This dependence was examined as a function of parameters such as molecular weight and glass transition temperature of the polymer. Temperature-induced changes in N/sub TE/-N/sub TM/, N being the effective index, were studied systematically for different slab waveguide compositions. It is shown that with proper device design and choice of polymeric materials, thermal effects can be reduced.< >
ISSN:0733-8724
1558-2213
DOI:10.1109/50.134194