P. Toivanen

ESTCube-1 nanosatellite for electric solar wind sail in-orbit technology demonstration; pp. 200–209

Silver Lätt, Andris Slavinskis, Erik Ilbis et al. · Proceedings of the Estonian Academy of Sciences · 2014 · 55 citations · Full text

Development of a detector-based absolute spectral irradiance scale in the 380–900-nm spectral range

Petri Kärhä, P. Toivanen, Farshid Manoochehri et al. · Applied Optics · 1997 · 48 citations

Engineering, Measurement, 380–900-Nm Spectral Range +19

An optical method for direct determination of the radiometric aperture area at high accuracy

Antti Lassila, P. Toivanen, Erkki Ikonen · Measurement Science and Technology · 1997 · 38 citations

Engineering, Measurement, Optical Testing +18

A new optical method for high-accuracy determination of aperture area

Erkki Ikonen, P. Toivanen, Antti Lassila · Metrologia · 1998 · 37 citations

Engineering, Measurement, Optic Design +16

Realization of the unit of luminous intensity at the HUT

P. Toivanen, P K rh, Farshid Manoochehri et al. · Metrologia · 2000 · 27 citations

Engineering, Measurement, Optical Testing +18