Optical material and method for modifying the refractive index

US8337553B2 · kind B2 · utility

Assignee

• BAUSCH & LOMB INCORPORATED · US

Inventors

• Wayne H. Knox · Rochester, US
• Li Ding · Hefei, CN
• Jay F. Kunzler · Canandaigua, US
• Dharmendra Jani · Keller, US
• Candido Dionisio Pinto · Monrovia, US

Key dates

• Filing date: Jul 30, 2010
• Grant date: Dec 25, 2012
• Expiry date: Nov 26, 2030

Classification

• Technology area (CPC G): Physics
• CPC primary: G02C2202/14
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The invention is directed to an optical device comprising refractive optical structures, wherein the refractive structures are characterized by a change in refractive index, exhibit little or no scattering loss, and exhibit no significant differences in the Raman spectrum with respect to the non-irradiated optical, polymeric material.