Jari Hovila

发表

Realisation of the units of luminance and spectral radiance at the Helsinki University of Technology

Erkki Ikonen, P. Kärhä, P. Toivanen, 1999 .

Method for analysing luminous intensity of light-emitting diodes

Petri Kärhä, Erkki Ikonen, Pasi Manninen, 2006 .

Determination of distance offsets of diffusers for accurate radiometric measurements

Petri Kärhä, Erkki Ikonen, Pasi Manninen, 2006 .

Determination of the diffuser reference plane for accurate illuminance responsivity calibrations.

Petri Kärhä, Erkki Ikonen, Jari Hovila, 2005, Applied optics.

Overview of the O3M SAF GOME-2 operational atmospheric composition and UV radiation data products and data availability

Christos Zerefos, Nicolas Theys, Klaus-Peter Heue, 2015 .

Realization of the unit of luminous flux at the HUT using the absolute integrating-sphere method

Erkki Ikonen, P. Toivanen, Jari Hovila, 2004 .

Realizations of the units of luminance and spectral radiance at the HUT

Petri Kärhä, Erkki Ikonen, P. Toivanen, 2000 .

Comparison of OMI NO 2 observations and their seasonal and weekly cycles with ground-based measurements in Helsinki

K. F. Boersma, K. Folkert Boersma, Jay R. Herman, 2016 .

New measurement standards and methods for photometry and radiometry

Jari Hovila, J. Hovila, 2005 .