TRANSMISSION TYPE POLARIZING ELEMENT, AND COMPLEX POLARIZING PLATE USING THE ELEMENT
Provided is a transmission type polarizing element (1), which is constituted to comprise a dielectric substrate (3) having such a structure on the surface of its one side that a plurality of ridges (2) of an angular section are arranged in parallel, a thin film (4) made of an optically absorptive su...
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| creator | NAKAZAWA, TATSUHIRO TANAKA, SATOSHI KITTAKA, SHIGEO IKEUCHI, KAZUTOMO TSUNETOMO, KEIJI |
| description | Provided is a transmission type polarizing element (1), which is constituted to comprise a dielectric substrate (3) having such a structure on the surface of its one side that a plurality of ridges (2) of an angular section are arranged in parallel, a thin film (4) made of an optically absorptive substance and formed on the surface of the angularly sectional ridges (2), and a first dielectric substance layer (5) for covering such a surface of the thin film (4) made of the optically absorptive substance as is located on the opposite side of the dielectric substrate (3). This transmission type polarizing element (1) transmits such a TM polarizing component of the light normally incident on the dielectric substrate (3) that the vibration direction of a magnetic field is identical to the longitudinal direction of the ridges (2), but absorbs a TM polarizing component having the same vibration direction of the magnetic field as the longitudinal direction of the ridges (2). By the convenient constitution, therefore, it is possible to provide the transmission type polarizing element, which can be used as the polarizing plate having little return light but an excellent durability.
La présente invention concerne un élément polarisant à transmission (1) qui comprend par construction un substrat diélectrique (3) présentant d'un côté une structure faisant qu'une pluralité de crête (2) de section angulaire sont disposées en parallèle, un film fin (4) fait d'une substance optiquement absorbante et réalisé sur la surface des crêtes à section angulaire (2), et une première couche en substance diélectrique (5) pour couvrir une telle surface de film fin (4) fait de substance optiquement absorbante telle que celle qui est située sur le côté opposé du substrat diélectrique (3). L'élément polarisant à transmission (1) transmet une composante à polarisation TM de la lumière normalement incidente sur le substrat diélectrique (3) telle que le sens de vibration d'un champ magnétique est identique au sens longitudinal des crêtes (2), mais absorbe une composante à polarisation TM présentant le même sens de vibration du champ magnétique que le sens longitudinal des crêtes (2). Cette structure permet la réalisation commode d'un élément polarisant à transmission convenant comme plaque polarisante faiblement réfléchissante et à longue durée de vie. |
| format | Patent |
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La présente invention concerne un élément polarisant à transmission (1) qui comprend par construction un substrat diélectrique (3) présentant d'un côté une structure faisant qu'une pluralité de crête (2) de section angulaire sont disposées en parallèle, un film fin (4) fait d'une substance optiquement absorbante et réalisé sur la surface des crêtes à section angulaire (2), et une première couche en substance diélectrique (5) pour couvrir une telle surface de film fin (4) fait de substance optiquement absorbante telle que celle qui est située sur le côté opposé du substrat diélectrique (3). L'élément polarisant à transmission (1) transmet une composante à polarisation TM de la lumière normalement incidente sur le substrat diélectrique (3) telle que le sens de vibration d'un champ magnétique est identique au sens longitudinal des crêtes (2), mais absorbe une composante à polarisation TM présentant le même sens de vibration du champ magnétique que le sens longitudinal des crêtes (2). Cette structure permet la réalisation commode d'un élément polarisant à transmission convenant comme plaque polarisante faiblement réfléchissante et à longue durée de vie.</description><language>eng ; fre ; jpn</language><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; FREQUENCY-CHANGING ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>2008</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=20080214&DB=EPODOC&CC=WO&NR=2008018247A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080214&DB=EPODOC&CC=WO&NR=2008018247A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NAKAZAWA, TATSUHIRO</creatorcontrib><creatorcontrib>TANAKA, SATOSHI</creatorcontrib><creatorcontrib>KITTAKA, SHIGEO</creatorcontrib><creatorcontrib>IKEUCHI, KAZUTOMO</creatorcontrib><creatorcontrib>TSUNETOMO, KEIJI</creatorcontrib><title>TRANSMISSION TYPE POLARIZING ELEMENT, AND COMPLEX POLARIZING PLATE USING THE ELEMENT</title><description>Provided is a transmission type polarizing element (1), which is constituted to comprise a dielectric substrate (3) having such a structure on the surface of its one side that a plurality of ridges (2) of an angular section are arranged in parallel, a thin film (4) made of an optically absorptive substance and formed on the surface of the angularly sectional ridges (2), and a first dielectric substance layer (5) for covering such a surface of the thin film (4) made of the optically absorptive substance as is located on the opposite side of the dielectric substrate (3). This transmission type polarizing element (1) transmits such a TM polarizing component of the light normally incident on the dielectric substrate (3) that the vibration direction of a magnetic field is identical to the longitudinal direction of the ridges (2), but absorbs a TM polarizing component having the same vibration direction of the magnetic field as the longitudinal direction of the ridges (2). By the convenient constitution, therefore, it is possible to provide the transmission type polarizing element, which can be used as the polarizing plate having little return light but an excellent durability.
La présente invention concerne un élément polarisant à transmission (1) qui comprend par construction un substrat diélectrique (3) présentant d'un côté une structure faisant qu'une pluralité de crête (2) de section angulaire sont disposées en parallèle, un film fin (4) fait d'une substance optiquement absorbante et réalisé sur la surface des crêtes à section angulaire (2), et une première couche en substance diélectrique (5) pour couvrir une telle surface de film fin (4) fait de substance optiquement absorbante telle que celle qui est située sur le côté opposé du substrat diélectrique (3). L'élément polarisant à transmission (1) transmet une composante à polarisation TM de la lumière normalement incidente sur le substrat diélectrique (3) telle que le sens de vibration d'un champ magnétique est identique au sens longitudinal des crêtes (2), mais absorbe une composante à polarisation TM présentant le même sens de vibration du champ magnétique que le sens longitudinal des crêtes (2). Cette structure permet la réalisation commode d'un élément polarisant à transmission convenant comme plaque polarisante faiblement réfléchissante et à longue durée de vie.</description><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</subject><subject>FREQUENCY-CHANGING</subject><subject>NON-LINEAR OPTICS</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAgJCXL0C_b1DA729PdTCIkMcFUI8PdxDPKM8vRzV3D1cfV19QvRUXD0c1Fw9vcN8HGNQJYP8HEMcVUIDQaxQzxcYep5GFjTEnOKU3mhNDeDsptriLOHbmpBfnxqcUFicmpeakl8uL-RgYGFgaGFkYm5o6ExcaoAJg4xXQ</recordid><startdate>20080214</startdate><enddate>20080214</enddate><creator>NAKAZAWA, TATSUHIRO</creator><creator>TANAKA, SATOSHI</creator><creator>KITTAKA, SHIGEO</creator><creator>IKEUCHI, KAZUTOMO</creator><creator>TSUNETOMO, KEIJI</creator><scope>EVB</scope></search><sort><creationdate>20080214</creationdate><title>TRANSMISSION TYPE POLARIZING ELEMENT, AND COMPLEX POLARIZING PLATE USING THE ELEMENT</title><author>NAKAZAWA, TATSUHIRO ; TANAKA, SATOSHI ; KITTAKA, SHIGEO ; IKEUCHI, KAZUTOMO ; TSUNETOMO, KEIJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2008018247A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; jpn</language><creationdate>2008</creationdate><topic>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</topic><topic>FREQUENCY-CHANGING</topic><topic>NON-LINEAR OPTICS</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><toplevel>online_resources</toplevel><creatorcontrib>NAKAZAWA, TATSUHIRO</creatorcontrib><creatorcontrib>TANAKA, SATOSHI</creatorcontrib><creatorcontrib>KITTAKA, SHIGEO</creatorcontrib><creatorcontrib>IKEUCHI, KAZUTOMO</creatorcontrib><creatorcontrib>TSUNETOMO, KEIJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NAKAZAWA, TATSUHIRO</au><au>TANAKA, SATOSHI</au><au>KITTAKA, SHIGEO</au><au>IKEUCHI, KAZUTOMO</au><au>TSUNETOMO, KEIJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TRANSMISSION TYPE POLARIZING ELEMENT, AND COMPLEX POLARIZING PLATE USING THE ELEMENT</title><date>2008-02-14</date><risdate>2008</risdate><abstract>Provided is a transmission type polarizing element (1), which is constituted to comprise a dielectric substrate (3) having such a structure on the surface of its one side that a plurality of ridges (2) of an angular section are arranged in parallel, a thin film (4) made of an optically absorptive substance and formed on the surface of the angularly sectional ridges (2), and a first dielectric substance layer (5) for covering such a surface of the thin film (4) made of the optically absorptive substance as is located on the opposite side of the dielectric substrate (3). This transmission type polarizing element (1) transmits such a TM polarizing component of the light normally incident on the dielectric substrate (3) that the vibration direction of a magnetic field is identical to the longitudinal direction of the ridges (2), but absorbs a TM polarizing component having the same vibration direction of the magnetic field as the longitudinal direction of the ridges (2). By the convenient constitution, therefore, it is possible to provide the transmission type polarizing element, which can be used as the polarizing plate having little return light but an excellent durability.
La présente invention concerne un élément polarisant à transmission (1) qui comprend par construction un substrat diélectrique (3) présentant d'un côté une structure faisant qu'une pluralité de crête (2) de section angulaire sont disposées en parallèle, un film fin (4) fait d'une substance optiquement absorbante et réalisé sur la surface des crêtes à section angulaire (2), et une première couche en substance diélectrique (5) pour couvrir une telle surface de film fin (4) fait de substance optiquement absorbante telle que celle qui est située sur le côté opposé du substrat diélectrique (3). L'élément polarisant à transmission (1) transmet une composante à polarisation TM de la lumière normalement incidente sur le substrat diélectrique (3) telle que le sens de vibration d'un champ magnétique est identique au sens longitudinal des crêtes (2), mais absorbe une composante à polarisation TM présentant le même sens de vibration du champ magnétique que le sens longitudinal des crêtes (2). Cette structure permet la réalisation commode d'un élément polarisant à transmission convenant comme plaque polarisante faiblement réfléchissante et à longue durée de vie.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | TRANSMISSION TYPE POLARIZING ELEMENT, AND COMPLEX POLARIZING PLATE USING THE ELEMENT |
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