Method for storing holographic data
A method for storing holographic data, said method comprising: step (A) providing an optically transparent substrate comprising a polymer composition and a light absorbing chromophore, said polymer composition comprising a continuous phase and a dispersed phase, said dispersed phase being less than...
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| creator | RICHARDS, WILLIAM D MCCLOSKEY, PATRICK J ALIZADEH, AZAR BODEN, EUGENE P DUBOIS, MARK LAWRENCE, BRIAN L SHI, XIAOLEI |
| description | A method for storing holographic data, said method comprising: step (A) providing an optically transparent substrate comprising a polymer composition and a light absorbing chromophore, said polymer composition comprising a continuous phase and a dispersed phase, said dispersed phase being less than about 200 nm in size and wherein the refractive index of said dispersed phase exhibits a non-linear response to incident optical intensity; and step (B) irradiating a volume element of the optically transparent substrate with a holographic interference pattern, wherein the pattern has a first wavelength and an intensity both sufficient to cause a phase change in at least a portion of the dispersed phase within the volume element of the substrate to produce within the irradiated volume element refractive index variations corresponding to the holographic interference pattern, thereby producing a optically readable datum corresponding to the volume element. |
| format | Patent |
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and step (B) irradiating a volume element of the optically transparent substrate with a holographic interference pattern, wherein the pattern has a first wavelength and an intensity both sufficient to cause a phase change in at least a portion of the dispersed phase within the volume element of the substrate to produce within the irradiated volume element refractive index variations corresponding to the holographic interference pattern, thereby producing a optically readable datum corresponding to the volume element.</description><language>eng ; fre ; ger</language><subject>CINEMATOGRAPHY ; ELECTROGRAPHY ; HOLOGRAPHIC PROCESSES OR APPARATUS ; HOLOGRAPHY ; INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>2014</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=20140402&DB=EPODOC&CC=EP&NR=2535778B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140402&DB=EPODOC&CC=EP&NR=2535778B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RICHARDS, WILLIAM D</creatorcontrib><creatorcontrib>MCCLOSKEY, PATRICK J</creatorcontrib><creatorcontrib>ALIZADEH, AZAR</creatorcontrib><creatorcontrib>BODEN, EUGENE P</creatorcontrib><creatorcontrib>DUBOIS, MARK</creatorcontrib><creatorcontrib>LAWRENCE, BRIAN L</creatorcontrib><creatorcontrib>SHI, XIAOLEI</creatorcontrib><title>Method for storing holographic data</title><description>A method for storing holographic data, said method comprising: step (A) providing an optically transparent substrate comprising a polymer composition and a light absorbing chromophore, said polymer composition comprising a continuous phase and a dispersed phase, said dispersed phase being less than about 200 nm in size and wherein the refractive index of said dispersed phase exhibits a non-linear response to incident optical intensity; 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and step (B) irradiating a volume element of the optically transparent substrate with a holographic interference pattern, wherein the pattern has a first wavelength and an intensity both sufficient to cause a phase change in at least a portion of the dispersed phase within the volume element of the substrate to produce within the irradiated volume element refractive index variations corresponding to the holographic interference pattern, thereby producing a optically readable datum corresponding to the volume element.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHIC PROCESSES OR APPARATUS HOLOGRAPHY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHOTOGRAPHY PHYSICS |
| title | Method for storing holographic data |
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