Title :
Estimation of refraction index dispersion in a polymer waveguide material from the absorption spectrum data
Author :
Haeyoung Choi ; Jungmi Shin ; Myoungsik Cha ; Jung Jin Ju ; Myung-hyun Lee
Author_Institution :
Dept. of Phys., Pusan Nat. Univ., South Korea
Abstract :
We propose a simple method for estimating both refractive index dispersion and thickness of a thin film from the absorption spectrum. This method is applied to quantify photodegradation in a polymer waveguide material.
Keywords :
Kramers-Kronig relations; infrared spectra; optical polymers; optical waveguides; polymer films; refractive index; visible spectra; Kramers-Kronig relations; absorption spectrum; cyano stilbene side-chains; interference pattern; iteration routine; multiple reflection effect; photodegradation; polymer waveguide material; polyurethane film; refraction index dispersion; thin film thickness; Absorption; Interference; Nonlinear optics; Optical films; Optical materials; Optical refraction; Optical variables control; Optical waveguides; Polymer films; Substrates;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.970879
