Objective lens reference system and method

G - Physics – 02 – B

Patent

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Details

G02B 27/40 (2006.01) G02B 27/64 (2006.01)

Patent

CA 2575131

A system and method for referencing an objective lens to a desired plane of focus. In one embodiment, a dichroic element is utilized to reflect energy of one or more wavelengths that has passed through an objective lens to a detector for determining a position of the objective lens to a desired plane of focus. The objective lens may be manually and/or automatically focused to the desired plane of focus.

Cette invention concerne un système et un procédé permettant de référencer un objectif par rapport un plan de mise au point désiré. Dans un mode de réalisation, un élément dichroïque est utilisé pour réfléchir de l'énergie d'une ou plusieurs longueurs d'ondes qui a traversé un objectif sur un détecteur afin qu'une position de l'objectif soit déterminée par rapport à un plan de mise au point désiré. L'objectif peut être mis au point manuellement et/ou automatiquement par rapport au plan de mise au point désiré.

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