Combined advanced finishing and UV laser conditioning process for producing damage resistant optics

US6920765B2 · kind B2 · utility

Assignee

• The Regents of the University of California · US

Inventors

• Joseph Arthur Menapace · Livermore, US
• John Peterson · Sacramento, US
• Bernardino M. Penetrante · San Ramon, US
• Philip E. Miller · Livermore, US
• Thomas G. Parham · Gates Mills, US
• Michael A. Nichols · Montgomery, US

Key dates

• Filing date: Apr 17, 2002
• Grant date: Jul 26, 2005
• Expiry date: Jan 25, 2023

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F1/3525
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A method for reducing the density of sites on the surface of fused silica optics that are prone to the initiation of laser-induced damage, resulting in optics which have far fewer catastrophic defects, and are better capable of resisting optical deterioration upon exposure to a high-power laser beam.