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27 May 2011 Characterization of a waveguide written by a UV laser into a planar polymer chip by digital holographic interferometry
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Abstract
The optical- functional properties of an integrated-optical strip-waveguide in a planar polymer chip are presented in this article. The waveguide was directly written into the surface of a planar polymer chip by UV-laser irradiation. Digital holographic interferometric phase shifting method is used to calculate the refractive index profile of the waveguide. This profile contains one or two zones according to the parameters of UV-laser. The mode field distribution and the effective mode indices for each zone are obtained. The study shows that the optical-functional properties strongly depend on the UV-irradiation parameters. Several mostly independently occurring photochemical processes competing with one another are proposed to explain the formation and shape of the refractive index distribution.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. A. Shams El-Din, H. H. Wahba, and F. Vollertsen "Characterization of a waveguide written by a UV laser into a planar polymer chip by digital holographic interferometry", Proc. SPIE 8082, Optical Measurement Systems for Industrial Inspection VII, 80822C (27 May 2011); https://doi.org/10.1117/12.882168
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