Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Junji Iida1
Date of Patent
August 21, 2007
Patent Application Number
11347431
Date Filed
February 6, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A Faraday rotator in which the isolation function based on a temperature rise is not deteriorated even when the Faraday rotator is used for a high output laser of not smaller than 1W output at a wavelength of not larger than 1.1 μm includes sapphire crystals or rutile crystals bonded as radiation substrates to the incident side and outgoing side of a bismuth substituted type rare earth metal iron garnet crystal (RIG) film, the thickness of the RIG film being not smaller than 130 μm and not larger than 200 μm.
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