RESONANT WAVEGUIDE GRATING AND APPLICATIONS THEREOF
A resonant waveguide grating includes a waveguiding layer and a plurality of subwavelength structures. The waveguiding layer, being in optical proximity to the plurality of subwavelength structures, is configured to guide at most ten wave-guided light modes. The plurality of subwavelength structures...
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| creator | BASSET, Guillaume |
| description | A resonant waveguide grating includes a waveguiding layer and a plurality of subwavelength structures. The waveguiding layer, being in optical proximity to the plurality of subwavelength structures, is configured to guide at most ten wave-guided light modes. The plurality of subwavelength structures includes at least two adjacent grooves having a subwavelength distance between their groove centers being different than the subwavelength distance between the centers of two adjacent ridges. The plurality of subwavelength structures is configured to couple out of the waveguiding layer resonantly by diffraction, an outcoupled fraction of an incoupled portion of incident light. The outcoupled fraction is a diffracted part of an incident light beam. A diffractive optical combiner and a diffractive optical coupler, both include the resonant waveguide grating of the invention. A near-eye display apparatus includes at least the resonant waveguide grating of the invention. |
| format | Patent |
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The waveguiding layer, being in optical proximity to the plurality of subwavelength structures, is configured to guide at most ten wave-guided light modes. The plurality of subwavelength structures includes at least two adjacent grooves having a subwavelength distance between their groove centers being different than the subwavelength distance between the centers of two adjacent ridges. The plurality of subwavelength structures is configured to couple out of the waveguiding layer resonantly by diffraction, an outcoupled fraction of an incoupled portion of incident light. The outcoupled fraction is a diffracted part of an incident light beam. A diffractive optical combiner and a diffractive optical coupler, both include the resonant waveguide grating of the invention. A near-eye display apparatus includes at least the resonant waveguide grating of the invention.</description><language>eng ; fre ; ger</language><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PHYSICS</subject><creationdate>2023</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=20230607&DB=EPODOC&CC=EP&NR=3692399B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230607&DB=EPODOC&CC=EP&NR=3692399B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BASSET, Guillaume</creatorcontrib><title>RESONANT WAVEGUIDE GRATING AND APPLICATIONS THEREOF</title><description>A resonant waveguide grating includes a waveguiding layer and a plurality of subwavelength structures. The waveguiding layer, being in optical proximity to the plurality of subwavelength structures, is configured to guide at most ten wave-guided light modes. The plurality of subwavelength structures includes at least two adjacent grooves having a subwavelength distance between their groove centers being different than the subwavelength distance between the centers of two adjacent ridges. The plurality of subwavelength structures is configured to couple out of the waveguiding layer resonantly by diffraction, an outcoupled fraction of an incoupled portion of incident light. The outcoupled fraction is a diffracted part of an incident light beam. A diffractive optical combiner and a diffractive optical coupler, both include the resonant waveguide grating of the invention. A near-eye display apparatus includes at least the resonant waveguide grating of the invention.</description><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAOcg3293P0C1EIdwxzdQ_1dHFVcA9yDPH0c1dw9HNRcAwI8PF0BvL9_YIVQjxcg1z93XgYWNMSc4pTeaE0N4OCm2uIs4duakF-fGpxQWJyal5qSbxrgLGZpZGxpaWToTERSgBoDSb0</recordid><startdate>20230607</startdate><enddate>20230607</enddate><creator>BASSET, Guillaume</creator><scope>EVB</scope></search><sort><creationdate>20230607</creationdate><title>RESONANT WAVEGUIDE GRATING AND APPLICATIONS THEREOF</title><author>BASSET, Guillaume</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3692399B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2023</creationdate><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>BASSET, Guillaume</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BASSET, Guillaume</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>RESONANT WAVEGUIDE GRATING AND APPLICATIONS THEREOF</title><date>2023-06-07</date><risdate>2023</risdate><abstract>A resonant waveguide grating includes a waveguiding layer and a plurality of subwavelength structures. The waveguiding layer, being in optical proximity to the plurality of subwavelength structures, is configured to guide at most ten wave-guided light modes. The plurality of subwavelength structures includes at least two adjacent grooves having a subwavelength distance between their groove centers being different than the subwavelength distance between the centers of two adjacent ridges. The plurality of subwavelength structures is configured to couple out of the waveguiding layer resonantly by diffraction, an outcoupled fraction of an incoupled portion of incident light. The outcoupled fraction is a diffracted part of an incident light beam. A diffractive optical combiner and a diffractive optical coupler, both include the resonant waveguide grating of the invention. A near-eye display apparatus includes at least the resonant waveguide grating of the invention.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
| title | RESONANT WAVEGUIDE GRATING AND APPLICATIONS THEREOF |
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