Improvements in and relating to scanning confocal microscopy

Details Improvements in and relating to scanning confocal microscopy Improvements in and relating to scanning confocal microscopy

G - Physics

02

B

G02B 21/00 (2006.01)

Patent

CA 2703242

Known scanning confocal microscope systems use an optical fibre to deliver light to the confocal scanning head. The illumination from the fibre may be uneven and significant light loss may occur in the fibre. According to the invention, an assembly is provided for inputting a light beam from a light source into the confocal scanning head of a scanning confocal microscope system, wherein the assembly comprises a beam width adjuster (6a, 6b), a beam director (8, 10) for controlling the path of the light beam, and a beam focussing means (12) for bringing the beam to a focus at a predetermined point at a light input of said confocal scanning head.

La présente invention concerne des systèmes connus de microscopie confocale à balayage laser qui utilisent une fibre optique pour transmettre de la lumière à la tête de balayage confocale. L'éclairage provenant de la fibre peut être inégal et une perte significative de lumière peut se produire dans la fibre. Selon l'invention, un ensemble est proposé pour faire entrer un faisceau lumineux provenant d'une source lumineuse dans la tête de balayage confocale d'un système de microscopie confocale à balayage laser, l'ensemble comprenant un ajusteur de largeur du faisceau (6a, 6b), un élément permettant de diriger le faisceau (8, 10) pour commander le trajet du faisceau lumineux, et un moyen de focalisation du faisceau (12) pour amener le faisceau à une distance focale à un point prédéterminé au niveau d'une entrée de lumière de ladite tête de balayage confocale.

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