Optical: systems and elements – Polarization without modulation – Polarization using a time invariant electric – magnetic – or...
Reexamination Certificate
2007-08-21
2007-08-21
Lavarias, Arnel (Department: 2872)
Optical: systems and elements
Polarization without modulation
Polarization using a time invariant electric, magnetic, or...
C252S584000, C252S585000, C252S062570
Reexamination Certificate
active
11347431
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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Chapel Derek S.
Dykema Gossett PLLC
Lavarias Arnel
Sumitomo Metal & Mining Co., Ltd.
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