OPTICAL SYSTEM FOR PROJECTING AN IR OR UV TEST SIGNAL WITH AN OPTICAL ORIENTATION OF THE PROJECTION AXIS IN THE VISIBLE SPECTRAL REGION
An optical system for testing IR or UV sensors, comprises input optics, output optics having a reticule disposed on the associated optical axis, a radiation source which emits radiation in the visual spectral region and in the infrared or ultraviolet spectral regions, and a beam splitter for simulta...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | An optical system for testing IR or UV sensors, comprises input optics, output optics having a reticule disposed on the associated optical axis, a radiation source which emits radiation in the visual spectral region and in the infrared or ultraviolet spectral regions, and a beam splitter for simultaneously visualizing an object scene illuminated by the radiation source with the reticule through the output optics into the eye of an observer. The input optics comprise a lens, the imaging properties of which in the visual spectral region are equal to the imaging properties in the infrared or ultraviolet spectral region, and the beam splitter is a dichroic beam splitter. |
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