Metrologia

Research outputs

  1. 2019
  2. Published

    Setup for characterising the spectral responsivity of Fabry-Perot-interferometer-based hyperspectral cameras

    Pekkala, O., Pulli, T., Kokka, A. & Ikonen, E., Dec 2019, In : Metrologia. 56, 6, 6 p., 065005.

    Research output: Contribution to journalArticle

  3. Published

    Flat-field calibration method for hyperspectral frame cameras

    Kokka, A., Pulli, T., Honkavaara, E., Markelin, L., Kärhä, P. & Ikonen, E., 6 Aug 2019, In : Metrologia. 8 p., 055001.

    Research output: Contribution to journalArticle

  4. Published

    Evidence for universality of tunable-barrier electron pumps

    Giblin, S. P., Fujiwara, A., Yamahata, G., Bae, M-H., Kim, N., Rossi, A., Mottonen, M. & Kataoka, M., Aug 2019, In : Metrologia. 56, 4, p. 1-17 17 p., 044004.

    Research output: Contribution to journalArticle

  5. Published

    Validation of the fisheye camera method for spatial non-uniformity corrections in luminous flux measurements with integrating spheres

    Kokka, A., Pulli, T., Ferrero, A., Dekker, P., Thorseth, A., Kliment, P., Klej, A., Gerloff, T., Ludwig, K., Poikonen, T. & 1 others, Ikonen, E., 18 Jun 2019, In : Metrologia. 56, 4, p. 045002 9 p.

    Research output: Contribution to journalArticle

  6. 2018
  7. Published

    Development of white LED illuminants for colorimetry and recommendation of white LED reference spectrum for photometry

    Kokka, A., Poikonen, T., Blattner, P., Jost, S., Ferrero, A., Pulli, T., Ngo, M., Thorseth, A., Gerloff, T., Dekker, P. & 6 others, Stuker, F., Klej, A., Ludwig, K., Schneider, M., Reiners, T. & Ikonen, E., Aug 2018, In : Metrologia. 55, 4, p. 526-534 9 p.

    Research output: Contribution to journalArticle

  8. Published

    Characterization of a room temperature predictable quantum efficient detector for applications in radiometry and photometry

    Salffner, K., Dönsberg, T., Porrovecchio, G., Smid, M., Nield, K. & Nevas, S., 27 Jul 2018, In : Metrologia. 55, 5, p. 654-661 8 p.

    Research output: Contribution to journalArticle

  9. Published

    Relationships between junction temperature, electroluminescence spectrum and ageing of light-emitting diodes

    Vaskuri, A., Kärhä, P., Baumgartner, H., Kantamaa, O., Pulli, T., Poikonen, T. & Ikonen, E., 15 Mar 2018, In : Metrologia. 55, 2, p. S86-S95

    Research output: Contribution to journalArticle

  10. Published

    Development of a primary standard for dynamic pressure based on drop weight method covering a range of 10 MPa-400 MPa

    Salminen, J., Högström, R., Saxholm, S., Lakka, A., Riski, K. & Heinonen, M., 6 Feb 2018, In : Metrologia. 55, 2, p. S52-S59

    Research output: Contribution to journalArticle

  11. 2017
  12. Published

    Predictable quantum efficient detector based on n-type silicon photodiodes

    Dönsberg, T., Manoocheri, F., Sildoja, M., Juntunen, M., Savin, H., Tuovinen, E., Ronkainen, H., Prunnila, M., Merimaa, M., Tang, C. K. & 11 others, Gran, J., Mueller, I., Werner, L., Rougie, B., Pons, A., Smid, M., Gal, P., Lolli, L., Brida, G., Rastello, M. L. & Ikonen, E., Dec 2017, In : Metrologia. 54, 6, p. 821-836 16 p.

    Research output: Contribution to journalArticle

  13. Published

    Fisheye camera method for spatial non-uniformity corrections in luminous flux measurements with integrating spheres

    Kokka, A., Pulli, T., Poikonen, T., Askola, J. & Ikonen, E., 24 Jul 2017, In : Metrologia. 54, 4, p. 577-583 7 p.

    Research output: Contribution to journalArticle

  14. Published

    Method for estimating effects of unknown correlations in spectral irradiance data on uncertainties of spectrally integrated colorimetric quantities

    Karha, P., Vaskuri, A., Mäntynen, H., Mikkonen, N. & Ikonen, E., 18 Jul 2017, In : Metrologia. 54, 4, p. 524-534 11 p.

    Research output: Contribution to journalArticle

  15. Published

    Experimental demonstration of a predictable single photon source with variable photon flux

    Vaigu, A., Porrovecchio, G., Chu, X. L., Lindner, S., Smid, M., Manninen, A., Becher, C., Sandoghdar, V., Götzinger, S. & Ikonen, E., 21 Mar 2017, In : Metrologia. 54, 2, p. 218-223 6 p.

    Research output: Contribution to journalArticle

  16. Published

    Traceable Coulomb blockade thermometry

    Hahtela, O., Mykkanen, E., Kemppinen, A., Meschke, M., Prunnila, M., Gunnarsson, D., Roschier, L., Penttila, J. & Pekola, J., Feb 2017, In : Metrologia. 54, 1, p. 69-76 8 p., 69.

    Research output: Contribution to journalArticle

  17. 2016
  18. Published

    A reference material with close to Lambertian reflectance and fluorescence emission profiles

    Jaanson, P., Pulli, T., Manoocheri, F. & Ikonen, E., 4 Nov 2016, In : Metrologia. 53, 6, p. 1330-1338 9 p.

    Research output: Contribution to journalArticle

  19. 2014
  20. Published

    A primary standard of optical power based on induced-junction silicon photodiodes operated at room temperature

    Dönsberg, T., Sildoja, M., Manoocheri, F., Merimaa, M., Petroff, L. & Ikonen, E., 2014, In : Metrologia. 3, 51, p. 197-202

    Research output: Contribution to journalArticle

  21. Published

    Characterization of thin film thickness

    Pourjamal, S., Mäntynen, H., Jaanson, P., Maria Rosu, D., Hertwig, A., Manoocheri, F. & Ikonen, E., 2014, In : Metrologia. 51, 6, p. 302-308

    Research output: Contribution to journalArticle

  22. Published
  23. Published

    Gonioreflectometric properties of metal surfaces

    Jaanson, P., Manoocheri, F., Mäntynen, H., Gergely, M., Widlowski, J-L. & Ikonen, E., 2014, In : Metrologia. 51, 4, p. S314-S318

    Research output: Contribution to journalArticle

  24. Published

    Metrology for industrial quantum communications: the MIQC project

    Rastello, M. L., Degiovanni, I. P., Sinclair, A. G., Kück, S., Chunnilall, C. J., Porrovecchio, G., Smid, M., Manoocheri, F., Ikonen, E., Kubarsepp, T. & 13 others, Stucki, D., Hong, K. S., Kim, S. K., Tosi, A., Brida, G., Meda, A., Piacentini, F., Traina, P., Natsheh, A. A., Cheung, J. Y., Müller, I., Klein, R. & Vaigu, A., 2014, In : Metrologia. 51, 6, p. S267-S275

    Research output: Contribution to journalArticle

  25. Published

    New source and detector technology for the realization of photometric units

    Dönsberg, T., Pulli, T., Poikonen, T., Baumgartner, H., Vaskuri, A., Sildoja, M., Manoocheri, F., Kärhä, P. & Ikonen, E., 2014, In : Metrologia. 51, 6, p. S276S281

    Research output: Contribution to journalArticle

  26. 2013
  27. Published

    Predictable quantum efficient detector: II. Characterization and confirmed responsivity

    Mueller, I., Johannsen, U., Linke, U., Socaciu-Siebert, L., Smid, M., Porrovecchio, G., Sildoja, M., Manoocheri, F., Ikonen, E., Gran, J. & 3 others, Kuebarsepp, T., Brida, G. & Werner, L., 2013, In : Metrologia. 50, 4, p. 395-401

    Research output: Contribution to journalArticle

  28. Published

    Predictable quantum efficient detector: I. Photodiodes and predicted responsivity

    Sildoja, M., Manoocheri, F., Merimaa, M., Ikonen, E., Mueller, I., Werner, L., Gran, J., Kuebarsepp, T., Smid, M. & Rastello, M. L., 2013, In : Metrologia. 50, 4, p. 385-394

    Research output: Contribution to journalArticle

  29. 2012
  30. Published
  31. Published

    Double-coiled tungsten filament lamps as absolute spectral irradiance reference sources

    Ojanen, M., Karha, P., Nevas, S., Sperling, A., Mantynen, H. & Ikonen, E., 2012, In : Metrologia. 49, 2, p. pp. S53-S58

    Research output: Contribution to journalArticle

  32. Published

    Luminous efficacy measurement of solid-state lamps

    Poikonen, T., Pulli, T., Vaskuri, A., Baumgartner, H., Karha, P. & Ikonen, E., 2012, In : Metrologia. 49, 2, p. pp. S135-S140

    Research output: Contribution to journalArticle

  33. Published

    Simulations of a predictable quantum efficient detector with PC1D

    Gran, J., Kuebarsepp, T., Sildoja, M., Manoocheri, F., Ikonen, E. & Mueller, I., 2012, In : Metrologia. 49, 2, p. pp. S130-S134

    Research output: Contribution to journalArticle

  34. Published

    Uncertainty analysis of photometer directional response index f2 using Monte Carlo simulation

    Poikonen, T., Blattner, P., Kärhä, P. & Ikonen, E., 2012, In : Metrologia. 49, 6, p. 727-736

    Research output: Contribution to journalArticle

  35. 2010
  36. Published

    Photometry, Radiometry and "the Candela": Evolution in the Classical and Quantum World

    Ikonen, E., Zwinkels, J. C., Fox, N. P., Ulm, G. & Rastello, M. L., 2010, In : Metrologia. 47, 5, p. R15-R32

    Research output: Contribution to journalReview Article

  37. 2009
  38. Published

    Non-Lambertian behaviour of fluorescence emission from solid amorphous material

    Holopainen, S., Manoocheri, F. & Ikonen, E., 2009, In : Metrologia. 46, p. 197

    Research output: Contribution to journalArticle

  39. Published

    Reflectance calculations for predictable quantum efficient detector Metrologia

    Sildoja, M., Manoocheri, F. & Ikonen, E., 2009, In : Metrologia. 46, 00, p. 151-154

    Research output: Contribution to journalArticle

  40. Published

    Report of the Spectral Irradiance Comparison EURAMET.PR-K1.a.1 between MIKES (Finland) and NIMT (Thailand)

    Ojanen, M., Shpak, M., Kärhä, P., Leecharoen, R. & Ikonen, E., 2009, In : Metrologia. 46, 00, p. Tech.Suppl 02001

    Research output: Contribution to journalArticle

  41. Published

    Spectral irradiance comparison using a multi-wavelength filter radiometer

    Liu, Y. J., Xu, G., Ojanen, M. & Ikonen, E., 2009, In : Metrologia. 46, 00, p. S181S185

    Research output: Contribution to journalArticle

  42. Published

    Uncertainty analysis of photometer quality factor f1'

    Poikonen, T., Kärhä, P., Manninen, P., Manoocheri, F. & Ikonen, E., 2009, In : Metrologia. 46, 00, p. 75-80

    Research output: Contribution to journalArticle

  43. Published

    Uncertainty evaluation for linking a bilateral comparison with the corresponding CIPM key comparison

    Ojanen, M., Shpak, M., Kärhä, P., Leecharoen, R. & Ikonen, E., 2009, In : Metrologia. 46, p. 397-403

    Research output: Contribution to journalArticle

  44. 2008
  45. Published

    Reducing photodiode reflectance by Brewster-angle operation

    Sildoja, M., Manoocheri, F. & Ikonen, E., 2008, In : Metrologia. 45, 1, p. 11-15

    Research output: Contribution to journalArticle

  46. 2007
  47. Published

    Effect of light scattering from source optics in goniometric diffuse reflectance measurements

    Holopainen, S., Manoocheri, F., Nevas, S. & Ikonen, E., 2007, In : Metrologia. 44, 3, p. 167-170

    Research output: Contribution to journalArticle

  48. Published
  49. Published

    Final report on the CCPR-S2 suplementary comparison of area measurements of apertures for radiometry

    Litorja, M., Fowler, J., Hartmann, J., Fox, N., Stock, M., Razet, A., Khlevnoy, B., Ikonen, E., Machacs, M. & Doytchinov, K., 2007, In : Metrologia. 44

    Research output: Contribution to journalArticle

  50. 2006
  51. Published

    Determination of distance offsets of diffusers for accurate radiometric measurements

    Manninen, P., Hovila, J., Seppälä, L., Kärhä, P., Ylianttila, L. & Ikonen, E., 2006, In : Metrologia. 43, p. S120-S124

    Research output: Contribution to journalArticle

  52. Published

    Investigation of comparison methods for UVA irradiance responsivity calibration facilities

    Envall, J., Ylianttila, L., Moseley, H., Coleman, A., Durak, M., Kärhä, P. & Ikonen, E., 2006, In : Metrologia. 43, p. 27-30

    Research output: Contribution to journalArticle

  53. 2004
  54. Published

    Effect of correlations in fitting spectral irradiance data

    Nevas, S., Ikonen, E., Kärhä, P. & Kübarsepp, T., 2004, In : Metrologia. 41, p. 246-250

    Research output: Contribution to journalArticle

  55. Published
  56. Published

    Measurements of fibre optic power using photodiodes with and without an integrating sphere

    Envall, J., Kärhä, P. & Ikonen, E., 2004, In : Metrologia. 41, p. 353-358

    Research output: Contribution to journalArticle

  57. Published

    Realization of the unit of luminous flux at the HUT using the absolute integrating-sphere method

    Hovila, J., Toivanen, P. & Ikonen, E., 2004, In : Metrologia. 41, p. 407-413

    Research output: Contribution to journalArticle

  58. 2003
  59. Published

    Ageing of DXW-lamps

    Ylianttila, L., Jokela, K. & Kärhä, P., 2003, In : Metrologia. 40, p. 120-123

    Research output: Contribution to journalArticle

  60. Published

    A portable field calibrator for solar ultraviolet measurements

    Kärhä, P., Ylianttila, L., Koskela, T., Jokela, K. & Ikonen, E., 2003, In : Metrologia. 40, p. 17-20

    Research output: Contribution to journalArticle

  61. Published

    Characterisation of filter radiometers with wavelength-tunable laser source

    Noorma, M., Toivanen, P., Manoocheri, F. & Ikonen, E., 2003, In : Metrologia. 40, p. 220-223

    Research output: Contribution to journalArticle

  62. Published

    Determination of thin-film parameters from high accuracy measurements of spectral regular transmittance

    Nevas, S., Manoocheri, F. & Ikonen, E., 2003, In : Metrologia. 40, p. 200-203

    Research output: Contribution to journalArticle

  63. Published

    Intercomparison of characterisation techniques of filter radiometers in the ultraviolet region

    Kärhä, P., Harrison, N. J., Nevas, S., Hartree, W. S. & Abu-Kassem, I., 2003, In : Metrologia. 40, p. 50-54

    Research output: Contribution to journalArticle

  64. 2002
  65. Published

    Comparison of spectral irradiance scales between the NIST and the HUT

    Kärhä, P., Kübarsepp, T., Yoon, H., Nevas, S. & Ikonen, E., 2002, In : Metrologia. 39, p. 399-402

    Research output: Contribution to journalArticle

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