Methods and techniques for achieving flattened and broadened...

Details Methods and techniques for achieving flattened and broadened... Methods and techniques for achieving flattened and broadened...

2005-05-03

2005-05-03

Lee, John D. (Department: 2874)

Optical waveguides

With optical coupler

Plural

C385S033000, C385S037000

Reexamination Certificate

active

06888980

ABSTRACT:
A device for expanding the wavelength band of an optical component is disclosed. The device has a beam splitter for splitting a wavelength division multiplexed beam into two beams at a desired separation angle. An optical grating separates the two beams into spectral components for each beam. The spectral components are focused on a receiving surface. The separation angle between the two beams expands the wavelength band of the WDM signal.

REFERENCES:
patent: 6477293 (2002-11-01), Golub
patent: 6750995 (2004-06-01), Dickson
patent: 6782205 (2004-08-01), Trisnadi et al.
patent: 20020008921 (2002-01-01), Ebizuka et al.
patent: 20020109917 (2002-08-01), Sagan et al.

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