Digital implementations for determination of temporal light artefacts of LED luminaires von Mantela, V, Nordlund, R, Askola, J, Kärhä, P, Ikonen, E

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Effect of adaptive control on the LED street luminaire lifetime and on the lifecycle costs of a lighting installation von Askola, J, Kärhä, P, Baumgartner, H, Porrasmaa, S, Ikonen, E

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Improvement of temporal light artefact effects in commercial LED lamps von Mantela, V, Nordlund, R, Askola, J, Kärhä, P, Dekker, P, Ikonen, E

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Increased detector response in optical overfilled measurements due to gas lens formation by nitrogen flow through the entrance aperture von Askola, J, Maham, K, Kärhä, P, Ikonen, E

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Mathematical limitations of the CIE mesopic photometry system von Shpak, M, Kärhä, P, Ikonen, E

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Natural and accelerated ageing of LED lamps von Baumgartner, H, Renoux, D, Kärhä, P, Poikonen, T, Pulli, T, Ikonen, E

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Key comparison CCPR-K1.a as an interlaboratory comparison of correlated color temperature von Kärhä, P, Vaskuri, A, Pulli, T, Ikonen, E

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Out-of-Range Stray Light Characterization of Single-Monochromator Brewer Spectrophotometers von Pulli, T., Karppinen, T., Nevas, S., Kärhä, P., Lakkala, K., Karhu, J. M., Sildoja, M., Vaskuri, A., Shpak, M., Manoocheri, F., Doppler, L., Gross, S., Mes, J., Ikonen, E.

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Variability of daily UV index in Jokioinen, Finland, in 1995-2015 von Heikkilä, A., Uusitalo, K., Kärhä, P., Vaskuri, A., Lakkala, K., Koskela, T.

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UV exposure in artificial and natural weathering: A comparative study von Heikkilä, A., Kazadzis, S., Meinander, O., Vaskuri, A., Kärhä, P., Mylläri, V., Syrjälä, S., Koskela, T.

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Luminance meter for photopic and scotopic measurements in the mesopic range von Shpak, M, Kärhä, P, Porrovecchio, G, Smid, M, Ikonen, E

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Corrigendum: Uncertainty evaluation for linking a bilateral key comparison with the corresponding CIPM key comparison (2009 Metrologia 46, 397-403) von Ojanen, M, Shpak, M, Kärhä, P, Leecharoen, R, Ikonen, E

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Evaluation of on-site calibration procedures for SKYNET Prede POM sun–sky photometers von Campanelli, Monica, Estellés, Victor, Kumar, Gaurav, Nakajima, Teruyuki, Momoi, Masahiro, Gröbner, Julian, Kazadzis, Stelios, Kouremeti, Natalia, Karanikolas, Angelos, Barreto, Africa, Nevas, Saulius, Schwind, Kerstin, Schneider, Philipp, Harju, Iiro, Kärhä, Petri, Diémoz, Henri, Kudo, Rei, Uchiyama, Akihiro, Yamazaki, Akihiro, Iannarelli, Anna Maria, Mevi, Gabriele, Di Bernardino, Annalisa, Casadio, Stefano

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Method for analysing luminous intensity of light-emitting diodes von Manninen, P, Hovila, J, Kärhä, P, Ikonen, E

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Uncertainty analysis of total ozone derived from direct solar irradiance spectra in the presence of unknown spectral deviations von Vaskuri, Anna, Kärhä, Petri, Egli, Luca, Gröbner, Julian, Ikonen, Erkki

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Characterization of germanium photodiodes and trap detector von Lamminpää, A, Noorma, M, Hyyppä, T, Manoocheri, F, Kärhä, P, Ikonen, E

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Characterizing a UV chamber with mercury lamps for assessment of comparability to natural UV conditions von Heikkilä, A., Kärhä, P., Tanskanen, A., Kaunismaa, M., Koskela, T., Kaurola, J., Ture, T., Syrjälä, S.

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Uncertainty evaluation for linking a bilateral key comparison with the corresponding CIPM key comparison von Ojanen, M, Shpak, M, Kärhä, P, Leecharoen, R, Ikonen, E

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Adjusting timing of weathering test to account for seasonal variations in UV exposure von Heikkilä, A., Tanskanen, A., Kärhä, P., Hanhi, K.

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Reducing thickness variation of hot rolled steel strip by non-circular back-up roll geometry von Widmaier, T., Salmela, T., Kuosmanen, P., Juhanko, J., Kärhä, P., Uusimäki, J.

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