US Patent 7421175 Apparatus for providing optical radiation

Patent 7421175 was granted and assigned to SPI Lasers on September, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

SPI Lasers

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74211750

Patent Inventor Names

Malcolm Paul Varnham0

Date of Patent

September 2, 2008

Patent Application Number

105610210

Date Filed

June 23, 2004

Patent Primary Examiner

‌

Tina M Wong

Patent abstract

Apparatus for providing optical radiation, which apparatus comprises an optical fibre (5) having a core (3), a first cladding (1) and a second cladding (2), in which the first cladding (1) has a substantially constant diameter (9) in its cross-section. The first cladding (1) can be non-circular. Advantages include more reliable cleaving, joining and splicing.