Optical switching of liquid-crystal polarization gratings with nanosecond pulses
Optical switching with single nanosecond laser pulses of 532 nm wavelength is reported using high-efficiency optical axis gratings made with a nematic liquid crystal doped with an azobenzene dye. The azobenzene dye we have synthesized exhibits enhanced photosensitivity at green wavelengths, allowing...
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| Veröffentlicht in: | Optics letters 2009-09, Vol.34 (17), p.2554-2556 |
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| container_issue | 17 |
| container_start_page | 2554 |
| container_title | Optics letters |
| container_volume | 34 |
| creator | HROZHYK, Uladzimir NERSISYAN, Sarik SERAK, Svetlana TABIRYAN, Nelson HOKE, Landa STEEVES, Diane M KIMBALL, Brian R |
| description | Optical switching with single nanosecond laser pulses of 532 nm wavelength is reported using high-efficiency optical axis gratings made with a nematic liquid crystal doped with an azobenzene dye. The azobenzene dye we have synthesized exhibits enhanced photosensitivity at green wavelengths, allowing for low threshold switching (approximately 10 mJ/cm(2)). The dye is also characterized by fast relaxation of isomers, allowing for restoration of the diffractive properties of the grating within approximately 100 ms. Change of the diffraction efficiency of the zeroth-order beam from 10% to 70% is observed in a micrometer-thick material layer. |
| doi_str_mv | 10.1364/OL.34.002554 |
| format | Article |
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The azobenzene dye we have synthesized exhibits enhanced photosensitivity at green wavelengths, allowing for low threshold switching (approximately 10 mJ/cm(2)). The dye is also characterized by fast relaxation of isomers, allowing for restoration of the diffractive properties of the grating within approximately 100 ms. Change of the diffraction efficiency of the zeroth-order beam from 10% to 70% is observed in a micrometer-thick material layer.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.34.002554</identifier><identifier>PMID: 19724487</identifier><identifier>CODEN: OPLEDP</identifier><language>eng</language><publisher>Washington, DC: Optical Society of America</publisher><subject>Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Gratings ; Laser materials ; Liquid crystals ; Nonlinear optics ; Optical bistability, multistability and switching, including local field effects ; Optical elements, devices, and systems ; Optical materials ; Optics ; Physics</subject><ispartof>Optics letters, 2009-09, Vol.34 (17), p.2554-2556</ispartof><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c320t-8337bf25175eb21f04e28d6b569b6d3c01e7ea1736c735b235a6e4df5c2dc2253</citedby><cites>FETCH-LOGICAL-c320t-8337bf25175eb21f04e28d6b569b6d3c01e7ea1736c735b235a6e4df5c2dc2253</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,3258,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21960188$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19724487$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>HROZHYK, Uladzimir</creatorcontrib><creatorcontrib>NERSISYAN, Sarik</creatorcontrib><creatorcontrib>SERAK, Svetlana</creatorcontrib><creatorcontrib>TABIRYAN, Nelson</creatorcontrib><creatorcontrib>HOKE, Landa</creatorcontrib><creatorcontrib>STEEVES, Diane M</creatorcontrib><creatorcontrib>KIMBALL, Brian R</creatorcontrib><title>Optical switching of liquid-crystal polarization gratings with nanosecond pulses</title><title>Optics letters</title><addtitle>Opt Lett</addtitle><description>Optical switching with single nanosecond laser pulses of 532 nm wavelength is reported using high-efficiency optical axis gratings made with a nematic liquid crystal doped with an azobenzene dye. The azobenzene dye we have synthesized exhibits enhanced photosensitivity at green wavelengths, allowing for low threshold switching (approximately 10 mJ/cm(2)). The dye is also characterized by fast relaxation of isomers, allowing for restoration of the diffractive properties of the grating within approximately 100 ms. Change of the diffraction efficiency of the zeroth-order beam from 10% to 70% is observed in a micrometer-thick material layer.</description><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Gratings</subject><subject>Laser materials</subject><subject>Liquid crystals</subject><subject>Nonlinear optics</subject><subject>Optical bistability, multistability and switching, including local field effects</subject><subject>Optical elements, devices, and systems</subject><subject>Optical materials</subject><subject>Optics</subject><subject>Physics</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNpFkDtPwzAUhS0EouWxMaMsiIUU29ePZEQVLylSGGC2HMdpjdI4tROh8usJagXTudL9zhk-hK4IXhAQ7L4sFsAWGFPO2RGaEw55ymTOjtEcEybSnOd0hs5i_MQYCwlwimYkl5SxTM7RW9kPzug2iV9uMGvXrRLfJK3bjq5OTdjFYfr1vtXBfevB-S5ZhSm7VUymwjrpdOejNb6rk35so40X6KTR03F5yHP08fT4vnxJi_L5dflQpAYoHtIMQFYN5URyW1HSYGZpVouKi7wSNRhMrLSaSBBGAq8ocC0sqxtuaG0o5XCObve7ffDb0cZBbVw0tm11Z_0YlQSGQQAjE3m3J03wMQbbqD64jQ47RbD6VajKQgFTe4UTfn0YHquNrf_hg7MJuDkAOk7mmqA74-IfR0kuMMky-AFBiXl1</recordid><startdate>20090901</startdate><enddate>20090901</enddate><creator>HROZHYK, Uladzimir</creator><creator>NERSISYAN, Sarik</creator><creator>SERAK, Svetlana</creator><creator>TABIRYAN, Nelson</creator><creator>HOKE, Landa</creator><creator>STEEVES, Diane M</creator><creator>KIMBALL, Brian R</creator><general>Optical Society of America</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20090901</creationdate><title>Optical switching of liquid-crystal polarization gratings with nanosecond pulses</title><author>HROZHYK, Uladzimir ; NERSISYAN, Sarik ; SERAK, Svetlana ; TABIRYAN, Nelson ; HOKE, Landa ; STEEVES, Diane M ; KIMBALL, Brian R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c320t-8337bf25175eb21f04e28d6b569b6d3c01e7ea1736c735b235a6e4df5c2dc2253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Gratings</topic><topic>Laser materials</topic><topic>Liquid crystals</topic><topic>Nonlinear optics</topic><topic>Optical bistability, multistability and switching, including local field effects</topic><topic>Optical elements, devices, and systems</topic><topic>Optical materials</topic><topic>Optics</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HROZHYK, Uladzimir</creatorcontrib><creatorcontrib>NERSISYAN, Sarik</creatorcontrib><creatorcontrib>SERAK, Svetlana</creatorcontrib><creatorcontrib>TABIRYAN, Nelson</creatorcontrib><creatorcontrib>HOKE, Landa</creatorcontrib><creatorcontrib>STEEVES, Diane M</creatorcontrib><creatorcontrib>KIMBALL, Brian R</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Optics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HROZHYK, Uladzimir</au><au>NERSISYAN, Sarik</au><au>SERAK, Svetlana</au><au>TABIRYAN, Nelson</au><au>HOKE, Landa</au><au>STEEVES, Diane M</au><au>KIMBALL, Brian R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optical switching of liquid-crystal polarization gratings with nanosecond pulses</atitle><jtitle>Optics letters</jtitle><addtitle>Opt Lett</addtitle><date>2009-09-01</date><risdate>2009</risdate><volume>34</volume><issue>17</issue><spage>2554</spage><epage>2556</epage><pages>2554-2556</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><coden>OPLEDP</coden><abstract>Optical switching with single nanosecond laser pulses of 532 nm wavelength is reported using high-efficiency optical axis gratings made with a nematic liquid crystal doped with an azobenzene dye. The azobenzene dye we have synthesized exhibits enhanced photosensitivity at green wavelengths, allowing for low threshold switching (approximately 10 mJ/cm(2)). The dye is also characterized by fast relaxation of isomers, allowing for restoration of the diffractive properties of the grating within approximately 100 ms. Change of the diffraction efficiency of the zeroth-order beam from 10% to 70% is observed in a micrometer-thick material layer.</abstract><cop>Washington, DC</cop><pub>Optical Society of America</pub><pmid>19724487</pmid><doi>10.1364/OL.34.002554</doi><tpages>3</tpages></addata></record> |
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| ispartof | Optics letters, 2009-09, Vol.34 (17), p.2554-2556 |
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| language | eng |
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| source | OSA Publishing |
| subjects | Exact sciences and technology Fundamental areas of phenomenology (including applications) Gratings Laser materials Liquid crystals Nonlinear optics Optical bistability, multistability and switching, including local field effects Optical elements, devices, and systems Optical materials Optics Physics |
| title | Optical switching of liquid-crystal polarization gratings with nanosecond pulses |
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