Method and apparatus for precision working of material
AssigneeCarl Zeiss Meditec AG
InventorsMark Bendett, Mark Bischoff, Mario Gerlach, Dirk Muehlhoff
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Abstract
A method for precise working of material, particularly organic tissue, comprises the step of providing laser pulses with a pulse length between 50 fs and 1 ps and with a pulse frequency from 50 kHz to 1 MHz and with a wavelength between 600 and 2000 nm for acting on the material to be worked. Apparatus, in accordance with the invention, for precise working of material, particularly organic tissue comprising a pulsed laser, wherein the laser has a pulse length between 50 fs and 1 ps and with a pulse frequency of from 50 kHz to 1 MHz is also described.
Claims7
A method for precise working of material, particularly organic tissue, comprising the step of providing laser pulses with a pulse length between 50 fs and 1 ps and with a pulse frequency from 50 kHz to 1 MHz and with a wavelength between 600 and 2000 nm for acting on the material to be worked,
- wherein the laser pulses are focused on or in the material and the focal points are guided in three dimensions,
- and the focus points are guided in such a way that a flat or three-dimensional cohesive cut surface is generated in the material
- wherein a second cut surface is generated in the material and, together with a first cut surface, surrounds an essentially lens-shaped portion of material.
Dependencies are inferred from the claim text.