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Target isolation system, high power laser and laser peening method and system using same

United States Patent

November 6, 2007
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A system for applying a laser beam to work pieces, includes a laser system producing a high power output beam. Target delivery optics are arranged to deliver the output beam to a target work piece. A relay telescope having a telescope focal point is placed in the beam path between the laser system and the target delivery optics. The relay telescope relays an image between an image location near the output of the laser system and an image location near the target delivery optics. A baffle is placed at the telescope focal point between the target delivery optics and the laser system to block reflections from the target in the target delivery optics from returning to the laser system and causing damage.
Dane; C. Brent (Livermore, CA), Hackel; Lloyd A. (Livermore, CA), Harris; Fritz (Rocklin, CA)
The Regents of the University of California (Oakland, CA), Metal Improvement Company, Inc. (Paramus, NJ)
10/ 789,557
February 27, 2004
GOVERNMENT CONTRACT INFORMATION The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 between the United States Department of Energy and the University of California for the operation of Lawrence Livermore National Laboratory.