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Technical Examples
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.