Method for modifying the refractive index of an optical material
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United States of America Patent
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Apr 18, 2017
Grant Date -
May 7, 2015
app pub date -
Dec 9, 2014
filing date -
Jun 28, 2006
priority date (Note) -
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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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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- A61B:DIAGNOSIS; SURGERY; IDENTIFICATION
- G02C:SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY ....
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
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