Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2005-06-14
2005-06-14
Healy, Brian M. (Department: 2883)
Optical waveguides
With optical coupler
Input/output coupler
C385S031000, C385S074000, C385S093000, C385S088000, C385S037000, C398S087000, C398S088000
Reexamination Certificate
active
06907162
ABSTRACT:
An optical module31is provided in which a wavelength division element32such as an optical multi-layer film or diffraction grating is united between the sides of lens blocks3of optical module units1and6opposed to optical fiber blocks2. Only light with a wavelength λi among light (wavelength components: λ1, λ2. . . λn) from an optical fiber41is transmitted through the wavelength division element32and enters an optical fiber42of the optical module unit6. On the other hand, the light (wavelength components: λ1, λ2. . . λn−λi) reflected at the wavelength division element32is taken out of an optical fiber43of the optical module unit1.
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Healy Brian M.
Merchant & Gould P.C.
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