Laser illuminator

Details Laser illuminator Laser illuminator

A - Human Necessities

61

N

A61N 5/06 (2006.01) A61B 18/22 (2006.01) A61B 17/36 (1995.01)

Patent

CA 2158739

An illuminator including a differential optical radiator (10) and a laser fiber (12) disposed within the differential optical radiator. The differential optical radiator includes a first region that has a first. level of reflectivity and a first level of transmissivity and a second region that has a second, higher level of reflectivity and a second, lower level of transmissivity. The first and second regions are positioned such and their reflectivities and transmissivities are chosen such that the radiator produces a substantially uniform pattern of illumination from the first and second regions. In another embodiment, the illuminator includes an expandable radiator (38) and a laser fiber (34) disposed within the expandable radiator. The reflectivity of the expandable radiator is such that the illumination at the outer surface of the expandable radiator is substantially uniform.

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