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Determination of complex refractive index of SU-8 by Kramers-Kronig dispersion relation method at the wavelength range 2.5 – 22.0 μm
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design. University of Oulu, Finland.
Electronics and Telecommunications Department, Dar es salaam Institute of Technology, Tanzania.
LUT School of Engineering Science, Lappeenranta University of Technology, Finland.
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2019 (English)In: Journal of Quantitative Spectroscopy and Radiative Transfer, ISSN 0022-4073, E-ISSN 1879-1352, Vol. 224, p. 309-311Article in journal (Refereed) Published
Abstract [en]

Accurate determination of the complex refractive index of SU-8 epoxy has significant for the wide variety of applications in optical sensor technology at IR range. The complex refractive index of SU-8 is determined by recording the transmission of light spectra for the wavelength range of 2.5 – 22.0 μm.  The data analysis is based on the Kramers-Kronig dispersion relation method. The method has several merits, such as ease of operation, non-contact technique, measurement accuracy, and rapid measurement. The present method is not restricted to the case of SU-8 but it is also proposed to be applicable across a broad range of applications, such as assessment of the optical properties of paints and biomedical samples.

Place, publisher, year, edition, pages
2019. Vol. 224, p. 309-311
Keywords [en]
Complex refractive index, SU-8 epoxy, Kramers-Kronig dispersion relation method, FT-IR spectrophotometer, Infrared region
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:miun:diva-34927DOI: 10.1016/j.jqsrt.2018.11.026ISI: 000456754800034Scopus ID: 2-s2.0-85057277091OAI: oai:DiVA.org:miun-34927DiVA, id: diva2:1264706
Available from: 2018-11-21 Created: 2018-11-21 Last updated: 2019-03-18Bibliographically approved

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Ashraf, ShakeelNiskanen, IlpoMattsson, ClaesThungström, Göran

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Ashraf, ShakeelNiskanen, IlpoMattsson, ClaesThungström, Göran
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