Method and apparatus for laser processing
OwnerCharles Caristaninventor
Life of this patent
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Abstract
Apparatus and method for focusing a laser. Embodiments of the invention provide a multiple focal mirror device having at least a first reflective surface and a second reflective surface and a light condensing device. An incident laser beam is reflected from each of the reflective surfaces to produce resultant, respective partial laser beams. The partial laser beams are directed to the light condensing device which operates to focus the partial laser beams according to respective focal points of the partial laser beams, the focal points being different from each other.
Claims36
An apparatus for focusing a laser beam comprising:
- a) a multiple focal mirror device, comprising at least a first reflective surface and a second reflective surface, for reflecting an incident laser beam respectively from each of said reflective surfaces as a plurality of partial laser beams;
- and
- b) a light condensing device positioned to receive the partial laser beams from said multiple focal mirror device, and configured to focus the partial laser beams according to the respective focal points of the partial laser beams, the focal points being different from each other.
A method for focusing a laser beam to accomplish a laser processing task, comprising:
- a) providing at least one incident laser beam;
- b) directing said incident laser beam toward a multiple focal mirror device, said multiple focal mirror device comprising at least a first reflective surface and a second reflective surface;
- c) decomposing the reflection of said incident laser beam into at least a first reflected laser beam and a second reflected laser beam, wherein:
- i) said first reflected laser beam is the result of the incident laser beam striking and reflecting off of said first reflective surface, and wherein said first reflected laser beam has a first point of focus;
- ii) said second reflected laser beam is the result of the incident laser beam striking and reflecting off of said second reflective surface;
- and
- iii) wherein said second reflected laser beam has a second point of focus, said first point of focus and said second point of focus having a different point of focus, different from the first point of focus.
Dependencies are inferred from the claim text.