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Petri Kärhä

aalto university

18H指数
258论文数
1.2K被引数
收录论文 20
发表时间
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Best practices for measuring the performance and stability of indoor photovoltaic devices室内光伏器件性能和稳定性的最佳测量方法
errNature Energy
IF60.1
err2026-08-18
err0
PREAI
errAbhisek Chakraborty; Giulia Lucarelli; Vaibhav Singh; Jie Xu; Zeynab Skafi; Diksha Thakur; Francesco Di Giacomo; Gyanendra Shankar; Emanuele Calabrò; Francesca De Rossi; Osbel Almora; Peyman Amiri; Shinji Aramaki; Diego Bagnis; Tomiki Bannai; Christoph J. Brabec; Daniele Braga; Gregory Burwell; Francesca Brunetti; Aldo Di Carlo; Matt Carnie; Luigi Angelo Castriotta; Sergio Castro-Hermosa; Manuela Ciocca; Yong Cui; Janardan Dagar; Bruno Damien; Sergey V. Dayneko; Nutifafa Y. Doumon; Vida Turkovic; Karen Forberich; Marina Freitag; Feng Gao; Giulia Grancini; Zhanglin Guo; Behrang Hamadani; Mike Hayes; Jianhui Hou; Robert L. Z. Hoye; Stéphane Jouin; Marko Jošt; Petri Kärhä; Matthias Kauer; Thomas Kirchartz; George Koutsourakis; Shuuji Kuge; Monica Lira-Cantu; Ian Mathews; Morten Madsen; Matthias Auf der Maur; Tsutomu Miyasaka; David Müller; Shashank Priya; Erin L. Ratcliff; Andrea Reale; Makhsud I. Saidaminov; Frédéric Sauvage; Suraj Soman; Zhenchuan Tian; Marko Topič; Antonio Cabas Vidani; Paola Vivo; Kai Wang; Yuming Wang; Zhao-Kui Wang; Konrad Wojciechowski; Uli Würfel; Xueqing Xu; Mustafa Yaşa; Selçuk Yerci; Andrea Zampetti; Kui Zhao; Thomas M. Brown
err分享
err收藏
Results of an interlaboratory comparison of adapted reference solar cells among nine metrological institutes九个计量研究所之间适配参考太阳电池的实验室间比对结果
errResults in Engineering
IF7.9
err2026-04-27
err0
errOAAI
errAfsaneh Eghbali; Petri Kärhä; Erkki Ikonen; Ingo Kröger; Michael Rauer; S. Kasimir Reichmuth; Jochen Hohl-Ebinger; Gabriele Friesen; Flavio Valoti; Giovanni Bellenda; Yean-San Long; Min-An Tsai; Karsten Bothe; David Hinken; Diego Pavanello; Harald Müllejans; Fatima Mašić; Srđan Čalija; Vladimir Milojević; Ankit Mittal
err分享
err收藏
Spectral characterization of three wearable electronic ultraviolet radiation dosimeters三种可穿戴电子紫外辐射剂量计的光谱表征
errPhotochemistry and Photobiology
IF2.5
err2026-03-06
err0
errOAAI
errLeevi August; Gregor Hülsen; Juha Peltoniemi; Petri Kärhä; Erkki Ikonen
err分享
err收藏
Measurement of temporal light modulation using a hyperspectral camera使用高光谱相机测量光的时间调制
errMeasurement Science and Technology
IF3.4
err2025-12-05
err0
errOAAI
errV Mantela; I Harju; P Kärhä; E Ikonen
err分享
err收藏
Reaching a consensus on indoor photovoltaics testing就室内光伏测试达成共识
errJoule
IF35.4
err2025-09-05
err0
PREAI
errRobert L.Z. Hoye; George Koutsourakis; Marina Freitag; Zacharie Jehl Li-Kao; Thomas Österberg; Simon Aliwell; Mathieu Bellanger; Thomas M. Brown; Francesca Brunetti; Matthew J. Carnie; Abhisek Chakraborty; Giulia Grancini; Petri Kärhä; Matthias Kauer; Thomas Kirchartz; Chieh-Ting Lin; Monica Lira-Cantú; Yean-San Long; Senol Öz; Sonia R. Raga; Edgardo Saucedo; Paola Vivo; Shin Woei Leow; Konrad Wojciechowski; Andrea Zampetti; Ru Zhou; Simon Züfle; Gregory Burwell
err分享
err收藏
Infrared-A (IR-A) modulates the p53 pathway and diurnal clock in human skin and subcutaneous adipose tissue in vivo红外-A (IR-A) 在体内调节人类皮肤和皮下脂肪组织中的p53通路和昼夜节律钟。
errphotochemistry and photobiology b biology
IF0
err2025-06-04
err0
errOAAI
errIina-Maria Häggqvist; Juha Jernman; Erna Snellman; Petri Kärhä; Rafael Pasternack; Timo Partonen; Piia Karisola
err分享
err收藏
Results of an International Comparison of Indoor Photovoltaic Measurements Among Seven Metrological Institutes七个计量研究所之间室内光伏测量国际比较的结果
errSOLAR RRL
IF4.7
err2025-04-10
err0
PREAI
errEghbali, Afsaneh; Karha, Petri; Ikonen, Erkki; Kroeger, Ingo; Long, Yean-San; Tsai, Min-An; Bothe, Karsten; Hinken, David; Bazkir, Ozcan; Dubard, Jimmy; Betis, Pierre; Koutsourakis, George; Blakesley, James; Parsons, Daniel E.; Winter, Stefan
err分享
err收藏
Evaluation of on-site calibration procedures for SKYNET Prede POM sun-sky photometers
errATMOSPHERIC MEASUREMENT TECHNIQUES
IF3.3
err2024-09-03
err1
errOAAI
errCampanelli, Monica; Estelles, Victor; Kumar, Gaurav; Nakajima, Teruyuki; Momoi, Masahiro; Grobner, Julian; Kazadzis, Stelios; Kouremeti, Natalia; Karanikolas, Angelos; Barreto, Africa; Nevas, Saulius; Schwind, Kerstin; Schneider, Philipp; Harju, Iiro; Karha, Petri; Diemoz, Henri; Kudo, Rei; Uchiyama, Akihiro; Yamazaki, Akihiro; Iannarelli, Anna Maria; Mevi, Gabriele; Di Bernardino, Annalisa; Casadio, Stefano
err分享
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Uncertainty analysis of total ozone derived from direct solar irradiance spectra in the presence of unknown spectral deviations
errATMOSPHERIC MEASUREMENT TECHNIQUES
IF3.3
err2018-06-20
err9
errOAAI
errVaskuri, Anna; Karha, Petri; Egli, Luca; Grobner, Julian; Ikonen, Erkki
err分享
err收藏
Temperature invariant energy value in LED spectra
errAPPLIED PHYSICS LETTERS
IF3.6
err2016-12-07
err15
PREAI
errBaumgartner, Hans; Vaskuri, Anna; Karha, Petri; Ikonen, Erkki
err分享
err收藏
Photoyellowing revisited: Determination of an action spectrum of newspaper
errPOLYMER DEGRADATION AND STABILITY
IF7.4
err2014-01-01
err8
PREAI
errHeikkila, Anu; Karha, Petri
err分享
err收藏
A method for optimizing the cosine response of solar UV diffusers
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2013-07-26
err14
PREAI
errPulli, Tomi; Karha, Petri; Ikonen, Erkki
err分享
err收藏
Comparison of the radiation temperature scales between MIKES and PTB
errMEASUREMENT
IF5.6
err2010-02-01
err3
PREAI
errOjanen, M.; Anhalt, K.; Hartmann, J.; Schiller, S.; Weckstrom, T.; Karha, P.; Heinonen, M.; Ikonen, E.
err分享
err收藏
Estimation of the optical receiving plane positions of solar spectroradiometers with spherical diffusers on the basis of spatial responsivity data
errOPTICS LETTERS
IF3.3
err2009-10-15
err2
PREAI
errManninen, Pasi; Koskela, Tapani; Ylianttila, Lasse; Karha, Petri; Ikonen, Erkki
err分享
err收藏
Characterizing a UV chamber with mercury lamps for assessment of comparability to natural UV conditions
errPOLYMER TESTING
IF6
err2009-02-01
err21
PREAI
errHeikkila, A.; Karha, P.; Tanskanen, A.; Kaunismaa, M.; Koskela, T.; Kaurola, J.; Ture, T.; Syrjala, S.
err分享
err收藏
Adjusting timing of weathering test to account for seasonal variations in UV exposure
errPOLYMER DEGRADATION AND STABILITY
IF7.4
err2007-04-01
err6
PREAI
errHeikkila, A.; Tanskanen, A.; Karha, P.; Hanhi, K.
err分享
err收藏
Fiber-optic radar calibration
errIEEE AEROSPACE AND ELECTRONIC SYSTEMS MAGAZINE
IF3.8
err2005-09-01
err5
PREAI
errPuranen, M; Karha, P; Eskelinen, P
err分享
err收藏
Portable detector-based primary scale of spectral irradiance
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2000-02-01
err2
errOAAI
errKärhä, P; Kübarsepp, T; Manoocheri, F; Toivanen, P; Ikonen, E; Visuri, R; Ylianttila, L; Jokela, K
err分享
err收藏
Intercomparison of lamp and detector-based UV-irradiance scales for solar UV radiometry
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2000-02-01
err10
errOAAI
errJokela, K; Ylianttila, L; Visuri, R; Leszczynski, K; Kärhä, P; Ikonen, E
err分享
err收藏
Characterisation of optical detectors using high-accuracy instruments
errANALYTICA CHIMICA ACTA
IF6
err1999-02-01
err17
PREAI
errManoochehri, F; Kärhä, P; Palva, L; Toivanen, P; Haapalinna, A; Ikonen, E
err分享
err收藏

研究方向

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