Scanner arrangement and method for optically scanning an object

G - Physics – 02 – B

Patent

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Details

G02B 21/36 (2006.01) G02B 21/26 (2006.01)

Patent

CA 2578223

Disclosed is a scanner arrangement (50), especially a scanning microscope, for optically scanning an object (101) in a series of scanning steps. Said scanner arrangement comprises a driven, movable object table (40) and a scanner objective (4, 7-10) that is provided with a front objective lens (9, 103) located on an objective lens carriage (8) which can be moved parallel to the object table (40) by a carriage drive (5, 6, 10, 11). The object table (40) can be driven so as to be moved continuously during the series of scanning steps. The objective lens carriage (8) encompassing the front objective lens (9, 103) can be driven for a preliminary movement step in which the front objective lens (9, 103) is moved in synchrony with the object table (40) from a neutral position in each of the scanning steps while being driven so as to be moved back into the neutral position between successive scanning steps, the object (101) being optically scanned during the continuous movement of the object table (40).

L'invention concerne un système à balayage (50), en particulier un microscope à balayage, servant à réaliser un balayage optique d'un objet (101) au cours d'une série d'étapes de balayage. Ce système comprend une platine porte-objet (40) pouvant être entraînée et déplacée et un objectif à balayage (4, 7-10) comprenant une lentille frontale (9, 103) placée sur un chariot porte-lentille (8), ce chariot pouvant être déplacé parallèlement à la platine porte-objet (40) au moyen d'un système d'entraînement de chariot (5, 6, 10, 11). La platine porte-objet (40) peut être entraînée de façon à effectuer un mouvement continu au cours de la série d'étapes de balayage. Le chariot porte-lentille (8) pourvu de la lentille frontale (9, 103) peut être entraîné au cours de chaque étape de balayage pour une étape de déplacement préliminaire lors de laquelle la lentille frontale (9, 103) est déplacée d'une position de départ de façon synchrone avec la platine porte-objet (40) et il peut être entraîné entre des étapes de balayage successives de façon à revenir à la position de départ, le balayage optique de l'objet (101) pouvant être effectué pendant le déplacement continu de la platine porte-objet (40).

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