Polymer thin film refractive index determination

This work presents two methods to evaluate the refractive index of a SU8 polymer thin film, used as an optical waveguide for an interferometric integrated sensor. We used Abbe's method and the fitting method, by fitting theoretical curves to the experimental curves. We also compared the results...

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Bibliographic Details
Main Authors: Damian, V., Logofatu, P.C., Apostol, D., Garoi, F., Iordache, I., Timcu, A., Ligor, O., Muller, R.
Format: Conference Proceeding
Language:English
Subjects:
Applied sciences
Circuit properties
Curve fitting
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Integrated optics
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical films
Optical interferometry
Optical polymers
Optical refraction
Optical sensors
Optical waveguides
Polymer films
Refractive index
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Summary:This work presents two methods to evaluate the refractive index of a SU8 polymer thin film, used as an optical waveguide for an interferometric integrated sensor. We used Abbe's method and the fitting method, by fitting theoretical curves to the experimental curves. We also compared the results given by the two methods.
DOI:10.1109/SMICND.2004.1403042