US Patent 7421003 Emission wavelength-programmable organic distributed feedback laser

Patent 7421003 was granted and assigned to Riken on September, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Riken

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7421003

Date of Patent

September 2, 2008

Patent Application Number

10952792

Date Filed

September 30, 2004

Patent Primary Examiner

‌

Armando Rodriguez

Patent abstract

An organic distributed feedback layer, which comprises a resonator in a double layer structure comprising a photo-induced mass transfer material layer and an organic fluorescence layer, provided as an under layer below the former layer, where the photo-induced mass transfer material is a polymer material having an azobenzene skeleton represented by the following chemical structure:

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