On estimation of complex refractive index and colour of dry black and cyan offset inks by a multi-function spectrophotometer

K.-E. Peiponen, V. Kontturi, I. Niskanen, Mikko Juuti, J. Räty, H. Koivula, M. Toivakka

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Abstract

The optical properties of inks have much importance in quality inspection of prints. For instance, gloss and gloss mottling of a print depend not only on the surface roughness of the print but also on the spectral properties such as the wavelength-dependent complex refractive index of the ink. We have developed a device, the so-called multi-function spectrophotometer (MFS), that allows the measurement of reflectance and thereby assessment of the complex refractive index of the dry ink. Here, we report on the complex refractive index of dry black and cyan offset inks. Such information has importance in the study of gloss of prints. Furthermore, we show that the colour of these dry inks can be obtained with our apparatus by using light scattering data from the dry ink.
Original languageEnglish
Article number115601
JournalMeasurement Science and Technology
Volume19
Issue number11
DOIs
Publication statusPublished - 2008
MoE publication typeA1 Journal article-refereed

Fingerprint

Spectrophotometers
inks
spectrophotometers
Ink
Refractive Index
Refractive index
refractivity
Color
color
Light Scattering
Surface Roughness
Reflectance
Spectral Properties
Optical Properties
Inspection
Wavelength
Dependent
Light scattering
inspection
surface roughness

Keywords

  • Colour
  • complex refractive index
  • ink
  • print
  • spectrophotometer

Cite this

Peiponen, K.-E. ; Kontturi, V. ; Niskanen, I. ; Juuti, Mikko ; Räty, J. ; Koivula, H. ; Toivakka, M. / On estimation of complex refractive index and colour of dry black and cyan offset inks by a multi-function spectrophotometer. In: Measurement Science and Technology. 2008 ; Vol. 19, No. 11.
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On estimation of complex refractive index and colour of dry black and cyan offset inks by a multi-function spectrophotometer. / Peiponen, K.-E.; Kontturi, V.; Niskanen, I.; Juuti, Mikko; Räty, J.; Koivula, H.; Toivakka, M.

In: Measurement Science and Technology, Vol. 19, No. 11, 115601, 2008.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Peiponen, K.-E.

AU - Kontturi, V.

AU - Niskanen, I.

AU - Juuti, Mikko

AU - Räty, J.

AU - Koivula, H.

AU - Toivakka, M.

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AB - The optical properties of inks have much importance in quality inspection of prints. For instance, gloss and gloss mottling of a print depend not only on the surface roughness of the print but also on the spectral properties such as the wavelength-dependent complex refractive index of the ink. We have developed a device, the so-called multi-function spectrophotometer (MFS), that allows the measurement of reflectance and thereby assessment of the complex refractive index of the dry ink. Here, we report on the complex refractive index of dry black and cyan offset inks. Such information has importance in the study of gloss of prints. Furthermore, we show that the colour of these dry inks can be obtained with our apparatus by using light scattering data from the dry ink.

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KW - complex refractive index

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KW - spectrophotometer

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