Research Output per year
Fingerprint Dive into the research topics where Petri Kärhä is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Research Output
Measurement setup for differential spectral responsivity of solar cells
Kärhä, P., Baumgartner, H., Askola, J., Kylmänen, K., Oksanen, B., Maham, K., Huynh, V. & Ikonen, E., 1 Jan 2020, In : OPTICAL REVIEW.Research output: Contribution to journal › Conference article › Scientific › peer-review
Open Access
File
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 journal › Article › Scientific › peer-review
Open Access
File
General tool for estimating effects of unknown correlations on spectral integrals
Pulli, T., Vaskuri, A., Kärhä, P., Mäntynen, H. & Ikonen, E., 2019, p. 186-187.Research output: Contribution to conference › Abstract › Scientific
Influence of smart lighting control on the lifetime of high power LED luminaires
Askola, J., Baumgartner, H., Pulli, T., Kärhä, P. & Ikonen, E., 1 Jan 2019, In : IOP Conference Series: Earth and Environmental Science. 352, 1, 012043.Research output: Contribution to journal › Conference article › Scientific › peer-review
Open Access
File
Optical Characterization of III-V Multijunction Solar Cells for Temperature-Independent Band Gap Features
Baumgartner, H., Oksanen, B., Kärhä, P. & Ikonen, E., Nov 2019, In : IEEE Journal of Photovoltaics. 9, 6, p. 1631-1636 6 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access
File
Projects
MAPP (EMPIR)
01/06/2020 → 31/05/2023
Project: EU other competitive funding (ERA-NET, EURAMET, EUREKA, EU JU)
Advanced PV Energy Rating
Manoocheri, F., Baumgartner, H., Kärhä, P. & Maham, K.
01/05/2017 → 31/03/2021
Project: EU other competitive funding (ERA-NET, EURAMET, EUREKA, EU JU)
MetEOC2: Metrology for earth observation and climate
01/01/2017 → 31/10/2017
Project: EU: Other research funding
EMRP ENV09 SolarUV - Traceability for surface spectral solar ultraviolet radiation
Kärhä, P. & Pulli, T.
01/08/2011 → 31/07/2014
Project: EU: Other research funding
Effects of UV-radiation on materials
01/05/2005 → 30/04/2007
Project: Business Finland: Other research funding
Activities
Tallinna Tehnikaulikool
Petri Kärhä (Visiting researcher)29 Oct 2019
Activity: Visiting an external institution types › Visit abroad
Japan-Finland Joint Symposium on Optics in Engineering
Petri Kärhä (Chair), Erkki Ikonen (Organiser)26 Aug 2019 → 30 Aug 2019
Activity: Participating in or organising an event types › Organization of a workshop, panel, session or tutorial
Physikalisch-Technische Bundesanstalt (PTB)
Petri Kärhä (Visiting researcher), Janne Askola (Visiting researcher)27 Jun 2019 → 28 Jun 2019
Activity: Visiting an external institution types › Visit abroad
Physikalisch-Technische Bundesanstalt (PTB)
Petri Kärhä (Visiting researcher), Farshid Manoocheri (Visiting researcher), Dmitri Lanevski (Visiting researcher), Janne Askola (Visiting researcher)25 Jun 2019 → 26 Jun 2019
Activity: Visiting an external institution types › Visit abroad
QMS periodical re-evaluation of MIKES-aALTO
Petri Kärhä (Speaker)17 Apr 2019
Activity: Talk or presentation types › Conference presentation
Press / Media
Researchers developed highly accurate method for measuring luminous efficacy of LEDs
Erkki Ikonen, Farshid Manoocheri, Petri Kärhä & Timo Dönsberg
17/09/2015 → 21/09/2015
6 items of Media coverage
Press/Media: Media appearance