G - Physics – 01 – J
Patent
G - Physics
01
J
73/53, 73/0.5
G01J 5/02 (2006.01) G01J 1/08 (2006.01)
Patent
CA 2033045
This invention involves the calibration of an optical instrument. To use a light source to calibrate an optical instrument for radiometric analysis whose focal plane contains photoelectric detectors that convert the image illumination into an electrical signal, the light source (3) is placed at the entrance pupil (2) or in the aperture (diaphragm) of the instrument. The invention has a specific application in the calibration of an optical instrument on board a satellite.
L'invention concerne l'étalonnage d'un instrument d'optique. Pour étalonner, au moyen d'une source de lumière, un instrument d'optique radiométrique dont le plan focal contient des détecteurs photoélectriques qui convertissent l'éclairement de l'image en un signal électrique, on dispose cette source (3) dans la pupille d'entrée (2) ou dans le diaphragme d'ouverture de l'instrument. L'invention s'applique notamment à l'étalonnage d'un instrument d'optique embarqué à bord d'un satellite.
Centre National D'etudes Spatiales
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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