Petri Kärhä

Petri Kärhä

Vanhempi yliopistonlehtori
T405 Dept. Signal Processing and Acoustics
Vanhempi yliopistonlehtori
Full researcher profile
https://research.aalto.fi/...

Contact information

Postal address
Maarintie 8 02150 Espoo Finland
Phone number
+358505968469

Research groups

  • Metrology Research Institute, Senior University Lecturer

Publications

Effect of adaptive control on the LED street luminaire lifetime and on the lifecycle costs of a lighting installation

J. Askola, P. Kärhä, H. Baumgartner, S. Porrasmaa, E. Ikonen 2022 Lighting Research and Technology

Optical power scale realization using the predictable quantum efficient detector

Kinza Maham, Petri Kärhä, Farshid Manoocheri, Erkki Ikonen 2022 Journal of Physics: Conference Series

PV Module Energy Rating Standard IEC 61853-3 Intercomparison and Best Practice Guidelines for Implementation and Validation

Malte Ruben Vogt, Stefan Riechelmann, Ana Maria Gracia-Amillo, Anton Driesse, Alexander Kokka, Kinza Maham, Petri Karha, Robert Kenny, Carsten Schinke, Karsten Bothe, James Blakesley, Esma Music, Fabian Plag, Gabi Friesen, Gianluca Corbellini, Nicholas Riedel-Lyngskar, Roland Valckenborg, Markus Schweiger, Werner Herrmann 2022 IEEE Journal of Photovoltaics

Increased response of trap detectors with apertures due to nitrogen flow

Janne Askola, Kinza Maham, Mikhail Korpusenko, Petri Kärhä, Erkki Ikonen 2021

Differential spectral responsivity measurements of large bifacial solar cells

Petri Kärhä, Janne Askola, Kinza Maham, Timo Dönsberg, Erkki Ikonen 2021

METHODOLOGIES TO MEASURE SPATIAL UNIFORMITIES OF INTEGRATING SPHERES

Kinza Maham, Petri Kärhä, Erkki Ikonen 2021

Optical power scale realization using the predictable quantum efficient detector

Kinza Maham, Petri Kärhä, Farshid Manoocheri, Erkki Ikonen 2021

NOVEL EVALUATION METHOD FOR GENERAL PHOTOMETER MISMATCH INDEX F1’

Ville Mantela, Janne Askola, Petri Kärhä, Erkki Ikonen 2021