Process for photorefractive index grating formation
The present invention relates to an improved process for photorefractive index grating formation utilizing polymeric photorefractive materials. The process involves the steps of: (i) exposing a polymeric optical article to electromagnetic radiation having an intensity of at least 0.05 W/cm2 for a sh...
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| creator | SILENCE SCOTT MEIXNER BJORKLUND GARY CARL MOERNER WILLIAM ESCO |
| description | The present invention relates to an improved process for photorefractive index grating formation utilizing polymeric photorefractive materials. The process involves the steps of: (i) exposing a polymeric optical article to electromagnetic radiation having an intensity of at least 0.05 W/cm2 for a short period of time to achieve an absorbed energy/unit volume of at least 1x103 J/cm3 to activate the article, and (ii) exposing the polymeric optical article to an electric field and electromagnetic radiation to form an index grating. |
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The process involves the steps of: (i) exposing a polymeric optical article to electromagnetic radiation having an intensity of at least 0.05 W/cm2 for a short period of time to achieve an absorbed energy/unit volume of at least 1x103 J/cm3 to activate the article, and (ii) exposing the polymeric optical article to an electric field and electromagnetic radiation to form an index grating.</description><edition>7</edition><language>eng</language><subject>CINEMATOGRAPHY ; 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 ; ELECTROGRAPHY ; FREQUENCY-CHANGING ; HOLOGRAPHIC PROCESSES OR APPARATUS ; HOLOGRAPHY ; INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHOTOGRAPHY ; PHYSICS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>2001</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=20010828&DB=EPODOC&CC=US&NR=6280884B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010828&DB=EPODOC&CC=US&NR=6280884B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SILENCE SCOTT MEIXNER</creatorcontrib><creatorcontrib>BJORKLUND GARY CARL</creatorcontrib><creatorcontrib>MOERNER WILLIAM ESCO</creatorcontrib><title>Process for photorefractive index grating formation</title><description>The present invention relates to an improved process for photorefractive index grating formation utilizing polymeric photorefractive materials. 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The process involves the steps of: (i) exposing a polymeric optical article to electromagnetic radiation having an intensity of at least 0.05 W/cm2 for a short period of time to achieve an absorbed energy/unit volume of at least 1x103 J/cm3 to activate the article, and (ii) exposing the polymeric optical article to an electric field and electromagnetic radiation to form an index grating.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CINEMATOGRAPHY 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 ELECTROGRAPHY FREQUENCY-CHANGING HOLOGRAPHIC PROCESSES OR APPARATUS HOLOGRAPHY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHOTOGRAPHY PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | Process for photorefractive index grating formation |
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