Ilpo Niskanen

Summary

Affiliation: University of Oulu
Country: Finland

Publications

  1. doi request reprint Estimation of effective refractive index of birefringent particles using a combination of the immersion liquid method and light scattering
    Ilpo Niskanen
    Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, FIN 87400 Kajaani, Finland
    Appl Spectrosc 62:399-401. 2008
  2. ncbi request reprint Assessment of refractive index of pigments by Gaussian fitting of light backscattering data in context of the liquid immersion method
    Ilpo Niskanen
    Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, FI 87400 Kajaani, Finland
    Appl Spectrosc 64:558-61. 2010
  3. doi request reprint Optical sensing of concentration and refractive index of pigments in a suspension
    Ilpo Niskanen
    Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, FI 87400 Kajaani, Finland
    Appl Opt 49:3428-33. 2010
  4. doi request reprint Immersion liquid techniques in solid particle characterization: A review
    Ilpo Niskanen
    Oulu Mining School, University of Oulu, P O Box 3000, FI 90014 Oulu, Finland National Institute of Advanced Industrial Science and Technology AIST, Central 3, 1 1 Umezone, Tsukuba, Ibaraki 305 8563, Japan Electronic address
    Talanta 149:225-36. 2016
  5. doi request reprint Determination of the refractive index of microparticles by utilizing light dispersion properties of the particle and an immersion liquid
    I Niskanen
    Thule Institute, University of Oulu, FI 90014 Oulu, Finland Electronic address
    Talanta 115:68-73. 2013
  6. doi request reprint A method for the detection of the refractive index of irregular shape solid pigments in light absorbing liquid matrix
    Ilpo Niskanen
    Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, Kajaani, Finland
    Talanta 81:1322-4. 2010
  7. doi request reprint Roughened glass slides and a spectrophotometer for the detection of the wavelength-dependent refractive index of transparent liquids
    Ilpo Niskanen
    Thule Institute, University of Oulu, Finland
    Appl Spectrosc 66:786-90. 2012
  8. doi request reprint Light transmission model for determination of the refractive index of solid particles in suspensions: an immersion study
    Jukka Räty
    Measurement and Sensor Laboratory, University of Oulu, Kajaani, Finland
    Appl Spectrosc 65:557-60. 2011

Collaborators

  • Jukka Räty
  • Risto Myllyla
  • Kai Erik Peiponen

Detail Information

Publications8

  1. doi request reprint Estimation of effective refractive index of birefringent particles using a combination of the immersion liquid method and light scattering
    Ilpo Niskanen
    Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, FIN 87400 Kajaani, Finland
    Appl Spectrosc 62:399-401. 2008
    ..The method has applications in the measurement of the effective refractive index of pigments that are used, e.g., in the paper industry to improve the opacity of paper products...
  2. ncbi request reprint Assessment of refractive index of pigments by Gaussian fitting of light backscattering data in context of the liquid immersion method
    Ilpo Niskanen
    Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, FI 87400 Kajaani, Finland
    Appl Spectrosc 64:558-61. 2010
    ..The backscattering measurement technique is suggested to be useful in industrial measurement environments of pigments...
  3. doi request reprint Optical sensing of concentration and refractive index of pigments in a suspension
    Ilpo Niskanen
    Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, FI 87400 Kajaani, Finland
    Appl Opt 49:3428-33. 2010
    ....
  4. doi request reprint Immersion liquid techniques in solid particle characterization: A review
    Ilpo Niskanen
    Oulu Mining School, University of Oulu, P O Box 3000, FI 90014 Oulu, Finland National Institute of Advanced Industrial Science and Technology AIST, Central 3, 1 1 Umezone, Tsukuba, Ibaraki 305 8563, Japan Electronic address
    Talanta 149:225-36. 2016
    ..The basic features, benefits and limitations of each technique have been described followed by examples of potential applications in a quality monitoring of particle suspensions and colloids in industry. ..
  5. doi request reprint Determination of the refractive index of microparticles by utilizing light dispersion properties of the particle and an immersion liquid
    I Niskanen
    Thule Institute, University of Oulu, FI 90014 Oulu, Finland Electronic address
    Talanta 115:68-73. 2013
    ..The accuracy of the detection of the refractive index is suggested to be better than ± 0.005 refractive index units...
  6. doi request reprint A method for the detection of the refractive index of irregular shape solid pigments in light absorbing liquid matrix
    Ilpo Niskanen
    Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, Kajaani, Finland
    Talanta 81:1322-4. 2010
    ....
  7. doi request reprint Roughened glass slides and a spectrophotometer for the detection of the wavelength-dependent refractive index of transparent liquids
    Ilpo Niskanen
    Thule Institute, University of Oulu, Finland
    Appl Spectrosc 66:786-90. 2012
    ..Using the dispersion data on the glass material it is possible to find the index match between the liquid and the glass slide, and hence the refractive index of the liquid...
  8. doi request reprint Light transmission model for determination of the refractive index of solid particles in suspensions: an immersion study
    Jukka Räty
    Measurement and Sensor Laboratory, University of Oulu, Kajaani, Finland
    Appl Spectrosc 65:557-60. 2011
    ..Potential applications include scientific studies of the optical properties of micro- and nanoparticles or microorganisms in a liquid matrix. The model is also useful in industry where monitoring of suspensions and colloids is an issue...