Electronic distance meter featuring spectral and spatial...

Details Electronic distance meter featuring spectral and spatial... Electronic distance meter featuring spectral and spatial...

G - Physics

01

S

G01S 7/481 (2006.01)

Patent

CA 2561838

Disclosed is a distance meter, particularly for telescope arrays in ground- based or space-based applications for detecting surfaces. Said distance meter comprises at least one radiation source for emitting electromagnetic radiation (ES) onto a target that is to be measured, a receiver unit with a sensor (11) for receiving the radiation (S) reflected by the target and deriving distance data, and a first spectral filter component (4). According to the invention, the angular spread of reception of the reflected radiation (S) is limited by means of at least one spatial filter component (6'), especially a fiber laser as a radiation source and receiver component.

L'invention concerne un télémètre, notamment pour des ensembles télescopes dans des applications terrestres ou spatiales, pour la saisie de surfaces. Ce télémètre comprend au moins une source de rayonnement, qui émet un rayonnement électromagnétique (ES) vers une cible à mesurer, une unité réceptrice dotée d'un capteur (11) pour recevoir le rayonnement (S) réfléchi par la cible et en déduire des informations relatives à des distances, ainsi qu'un premier élément de filtrage spectral (4). L'invention est caractérisée en ce que la zone angulaire de réception du rayonnement (S) réfléchi est limitée par au moins un élément de filtrage spatial (6'), notamment par un laser à fibre en tant que source de rayonnement et élément de réception.

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