Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jay F. Kunzler0
Wayne H. Knox0
Dharmendra Jani0
Li Ding0
Date of Patent
January 13, 2015
Patent Application Number
13686952
Date Filed
November 28, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical device comprising an optical hydrogel with select regions that have been irradiated with laser light having a pulse energy from 0.01 nJ to 50 nJ and a wavelength from 600 nm to 900 nm. The irradiated regions are characterized by a positive change in refractive index of from 0.01 to 0.06, and exhibit little or no scattering loss. The optical hydrogel is prepared with a hydrophilic monomer.
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