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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| creator | GRANN ERIC B |
| description | 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 block. The patterned opaque layer is also applied around the perimeter of the footprint of the array of filters mounted on the common surface of the optical block. The patterned opaque layer reduces cross-talk between the filters and reduces optical noise. |
| format | Patent |
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The patterned opaque layer covers the optically transparent regions between adjacent filters mounted on the common surface of the optical block. The patterned opaque layer is also applied around the perimeter of the footprint of the array of filters mounted on the common surface of the optical block. The patterned opaque layer reduces cross-talk between the filters and reduces optical noise.</description><edition>7</edition><language>eng</language><subject>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</subject><creationdate>2002</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020528&DB=EPODOC&CC=US&NR=6396978B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020528&DB=EPODOC&CC=US&NR=6396978B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GRANN ERIC B</creatorcontrib><title>Optical wavelength division multiplexer/demultiplexer having patterned opaque regions to reduce optical noise</title><description>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 block. The patterned opaque layer is also applied around the perimeter of the footprint of the array of filters mounted on the common surface of the optical block. The patterned opaque layer reduces cross-talk between the filters and reduces optical noise.</description><subject>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>PRINTED CIRCUITS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjLEKwkAQRNNYiPoP-wMiEoimVRQ7C7UOS25MFi53590m-vkGtLC0mhnezEyz7hxUarb05AEWrtGWjAySxDvqeqsSLF6IK4OfRC0P4hoKrIroYMgHfvSgiGYcJlI_WtPXGMHn33lJmGeTO9uExVdnGR0P1_1pieArpMA1HLS6XYq8LMrNdrfO_6i8AeO7Q6M</recordid><startdate>20020528</startdate><enddate>20020528</enddate><creator>GRANN ERIC B</creator><scope>EVB</scope></search><sort><creationdate>20020528</creationdate><title>Optical wavelength division multiplexer/demultiplexer having patterned opaque regions to reduce optical noise</title><author>GRANN ERIC B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US6396978B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><topic>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>PRINTED CIRCUITS</topic><toplevel>online_resources</toplevel><creatorcontrib>GRANN ERIC B</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GRANN ERIC B</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Optical wavelength division multiplexer/demultiplexer having patterned opaque regions to reduce optical noise</title><date>2002-05-28</date><risdate>2002</risdate><abstract>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 block. The patterned opaque layer is also applied around the perimeter of the footprint of the array of filters mounted on the common surface of the optical block. The patterned opaque layer reduces cross-talk between the filters and reduces optical noise.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | 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 |
| title | Optical wavelength division multiplexer/demultiplexer having patterned opaque regions to reduce optical noise |
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