Optical wavelength division multiplexer/demultiplexer having patterned opaque regions to reduce optical noise

A patterned opaque layer is applied between adjacent filters mounted on a common optical block surface in a wavelength division multiplexer and demultiplexer. The patterned opaque layer covers the optically transparent regions between adjacent filters mounted on the common surface of the optical blo...

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1. Verfasser:	GRANN ERIC B
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PRINTED CIRCUITS
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