Petri Kärhä

Petri Kärhä

Vanhempi yliopistonlehtori
Dept Signal Process and Acoust
Vanhempi yliopistonlehtori
Full researcher profile
https://research.aalto.fi/...

Yhteystiedot

Sähköposti
[email protected]
Postiosoite
Maarintie 8 02150 Espoo Finland
Puhelinnumero
+358505968469

Julkaisut

Measurement setup for differential spectral responsivity of solar cells

Petri Kärhä, Hans Baumgartner, Janne Askola, Kasperi Kylmänen, Benjamin Oksanen, Kinza Maham, Vo Huynh, Erkki Ikonen 2020 OPTICAL REVIEW

Proceedings of OIE 2019

Petri Kärhä, Erkki Ikonen, Kai-Erik Peiponen, Yoshio Hayasaki 2019

General tool for estimating effects of unknown correlations on spectral integrals

Tomi Pulli, Anna Vaskuri, Petri Kärhä, Henrik Mäntynen, Erkki Ikonen 2019

Influence of smart lighting control on the lifetime of high power LED luminaires

Janne Askola, Hans Baumgartner, Tomi Pulli, Petri Kärhä, Erkki Ikonen 2019 IOP Conference Series: Earth and Environmental Science

Flat-field calibration method for hyperspectral frame cameras

Alexander Kokka, Tomi Pulli, Eija Honkavaara, Lauri Markelin, Petri Kärhä, Erkki Ikonen 2019 Metrologia

Reduced lifetime of LED street luminaires due to adaptive control

Janne Askola, Hans Baumgartner, Tomi Pulli, Petri Kärhä, Erkki Ikonen 2019

Optical Characterization of III-V Multijunction Solar Cells for Temperature-Independent Band Gap Features

H. Baumgartner, B. Oksanen, P. Kärhä, E. Ikonen 2019 IEEE Journal of Photovoltaics

LED based reference for wavelength and relative intensity

Hans Baumgartner, Kasperi Kylmanen, Olli Kantamaa, Petri Karha, Erkki Ikonen 2018 Journal of Physics: Conference Series

Key comparison CCPR-K1.a as an interlaboratory comparison of correlated color temperature

P. Karha, A. Vaskuri, T. Pulli, E. Ikonen 2018 Journal of Physics: Conference Series

Out-of-Range Stray Light Characterization of Single-Monochromator Brewer Spectrophotometers

Tomi Pulli, Tomi Karppinen, Saulius Nevas, Petri Kärhä, Kaisa Lakkala, Juha Karhu, Meelis-Mait Sildoja, Anna Vaskuri, Maksim Shpak, Farshid Manoocheri, Lionel Doppler, Steffen Gross, Joop Mes, Erkki Ikonen 2018 ATMOSPHERE: OCEAN