Optical waveguides – With disengagable mechanical connector – Optical fiber to a nonfiber optical device connector
Reexamination Certificate
2007-02-27
2007-02-27
Healy, Brian M. (Department: 2883)
Optical waveguides
With disengagable mechanical connector
Optical fiber to a nonfiber optical device connector
C385S014000, C385S031000, C385S033000, C385S037000, C385S092000, C385S094000, C398S082000, C398S084000, C398S087000, C398S088000
Reexamination Certificate
active
11348307
ABSTRACT:
The present invention relates to a diffractive grating member and to an optical communication module. The optical communication module includes a semiconductor laser; a coupling optical system for coupling a light flux with a wavelength of λ1emitted by the semiconductor laser to an optical fiber; and two light-receiving elements for receiving at least two light fluxes each having wavelengths λ2and λ3emitted from an end surface of the optical fiber. The coupling optical system has a diffractive structure, and the coupling optical system changes paths of light fluxes each having wavelengths λ1, λ2and λ3into relatively different directions such that the light flux with the wavelength λ1emitted by the semiconductor laser enters into the optical fiber and each of the at least two light fluxes each having the wavelengths λ2and λ3enters into each of the two light-receiving elements.
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Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Healy Brian M.
Konica Minolta Opto Inc.
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