Arrangement for WDM multiplexing and demultiplexing

Details Arrangement for WDM multiplexing and demultiplexing Arrangement for WDM multiplexing and demultiplexing

2007-06-19

2007-06-19

Chang, Audrey (Department: 2872)

Optical: systems and elements

Diffraction

From grating

C359S572000, C385S037000, C398S087000

Reexamination Certificate

active

10327357

ABSTRACT:
An arrangement for dispersing light comprises a blazed diffraction grating and a mirror. The blazed diffraction grating comprises a grating plane and a multiplicity of blazed facets. Each blazed facet is oriented at a blaze angle to the grating plane. The mirror couples to the blazed diffraction grating and is oriented parallel to the blazed facets. The arrangement permits a highly dispersive optical function in a very compact structure with low polarization dependent loss.

REFERENCES:
patent: 5119454 (1992-06-01), McMahon
patent: 5917625 (1999-06-01), Ogusu et al.
patent: 6278534 (2001-08-01), Arns
patent: 6823106 (2004-11-01), Takushima et al.

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