Material treatment apparatus combining a laser diode and an illu

Details Material treatment apparatus combining a laser diode and an illu Material treatment apparatus combining a laser diode and an illu

1994-10-17

1996-10-08

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912173, B23K 2602

Patent

active

055628427

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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