Material treatment apparatus combining a laser diode and an illumination light with a video imaging system
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United States of America Patent
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Oct 8, 1996
Grant Date -
N/A
app pub date -
Oct 17, 1994
filing date -
Oct 17, 1994
priority date (Note) -
Expired
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Abstract
Apparatus for laser treatment of a material includes a source that generates a laser beam which a lens focuses into a focused beam having a predetermined cross-sectional diameter defining a spot. A dichroic mirror directs the focused beam along an optical axis such that the spot is produced on the material for treatment. A video camera monitors the treatment of the material and has an optical path extending at least partially along the optical axis of the focused beam. A ring illuminator is disposed around the optical axis to directly illuminate the material.
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