Optical waveguides – With optical coupler – Plural
Reexamination Certificate
2006-12-20
2008-09-09
Wong, Tina M (Department: 2874)
Optical waveguides
With optical coupler
Plural
C359S572000, C356S326000
Reexamination Certificate
active
07424182
ABSTRACT:
A wavelength selection switch includes a diffraction grating that spectrally separates entering light, a focusing optical system that receives the light spectrally separated by the diffraction grating and focuses the light at a predetermined position, a deflection member that is arranged at the predetermined position and includes deflection elements that deflect the light entering through the focusing optical system, a base on which the diffraction grating, the focusing optical system, and the deflection member are mounted, and a deflection member position adjusting member that adjusts a position of the deflection member with respect to one of the diffraction grating and the focusing optical system. The deflection member position adjustment member includes a positioning member that determines a reference position of the deflection member in a direction of spectral separation of the diffraction grating, and a guide member that guides the deflection member in the direction of spectral separation.
REFERENCES:
patent: 6657770 (2003-12-01), Marom et al.
patent: 2004/0136074 (2004-07-01), Ford et al.
patent: 2004/0218177 (2004-11-01), MacKinnon et al.
patent: 2005-091910 (2005-04-01), None
Matsuo Daisuke
Taniguchi Takuya
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