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Proceedings Paper

Characterization of ink-jet printed RGB color filters with spectral domain optical coherence tomography
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Paper Abstract

We present the use of sub-micron resolution optical coherence tomography (SMR SD-OCT) in volumetric characterization of ink- jet printed color filters, aimed for electronic paper display (EPD). The device used in the study is based on supercontinuum light source, Michelson interferometer centered at 600 nm and employs 400-800 nm spectral region. Spectra are acquired at a continuous rate of 140,000 per second. Color filter array of 143 μm x 141 μm sized and 6 rtm deep ink pools was studied. The volumetric OCT reconstruction was done using the experimental SMR SD-OCT device and a commercial SD-OCT imaging system. The ink layer in the pools was estimated to be 2μm thin. The optical profilometer was used for reference measurements.

Paper Details

Date Published: 13 September 2012
PDF: 7 pages
Proc. SPIE 8493, Interferometry XVI: Techniques and Analysis, 849308 (13 September 2012); doi: 10.1117/12.929681
Show Author Affiliations
J. Czajkowski, Univ. of Oulu (Finland)
P. Vilmi, Univ. of Oulu (Finland)
J. Lauri, Univ. of Oulu (Finland)
R. Sliz, Univ. of Oulu (Finland)
T. Fabritius, Univ. of Oulu (Finland)
R. Myllylä, Univ. of Oulu (Finland)


Published in SPIE Proceedings Vol. 8493:
Interferometry XVI: Techniques and Analysis
Joanna Schmit; Katherine Creath; Catherine E. Towers; Jan Burke, Editor(s)

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