Diffraction grating for wavelength division...

Optical: systems and elements – Diffraction – From grating

Reexamination Certificate

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C359S571000, C398S087000

Reexamination Certificate

active

06859317

ABSTRACT:
A diffraction grating for optical communication is disclosed. The diffraction grating includes a substrate and a reflective material adjacent the substrate, wherein one or more input optical signals incident the reflective material is diffracted into one or more output optical signals over a wavelength range of at least approximately 30 nm, within which the diffraction grating is substantially polarization insensitive.

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