Method and apparatus for modifying the spread of a laser beam

Details Method and apparatus for modifying the spread of a laser beam Method and apparatus for modifying the spread of a laser beam

2003-02-13

2008-08-26

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular beam control device

Having particular beam control circuit component

C359S558000

Reexamination Certificate

active

07418016

ABSTRACT:
An apparatus and method for modifying the spread of a laser beam. The apparatus comprises a laser source operable to generate a laser beam having a flux that exceeds a predetermined value and an optical train operable to modify the beam such that the flux of the beam through a predetermined aperture does not exceed the predetermined value. The optical train may include a focusing lens, a diffractive focusing vortex lens, a beam splitting device, or a diffraction grating.

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International Search Reposrt.
English translation of German Office Action dated Feb. 22, 2005; German Patent Application No. 103 53 381.8-51.
International Search Report 2003

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