A polarized bifocal switch based on liquid crystals operated electrically and optically
A polarized bifocal switch based on liquid crystals (LC) operated electrically and optically is demonstrated. The bifocal switch mainly consists of two parts: a LC layer as a polarization switch and two polymeric layers for modulation of polarization dependent spatial phase difference which results...
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| Veröffentlicht in: | Journal of applied physics 2015-01, Vol.117 (4) |
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| container_title | Journal of applied physics |
| container_volume | 117 |
| creator | Chen, Hung-Shan Lin, Yi-Hsin Chang, Chia-Ming Wang, Yu-Jen Srivastava, Abhishek Kumar Sun, Jia Tong Chigrinov, Vladimir Grigorievich |
| description | A polarized bifocal switch based on liquid crystals (LC) operated electrically and optically is demonstrated. The bifocal switch mainly consists of two parts: a LC layer as a polarization switch and two polymeric layers for modulation of polarization dependent spatial phase difference which results in a positive or a negative lensing effect. The orientations of the LC molecules in the polarization switch are manipulated either in electrically switching (ES) mode or optically rewritten (ORW) mode. The bifocal switch with an aperture size of 10 mm exhibits two discrete lens powers (−1.39 Diopter and +0.7 Diopter) with different polarization states no matter in ES mode or in ORW mode. ORW mode is also a bistable mode. The related mechanism and electro-optical performance are discussed and demonstrated. Such a versatile optical switch is capable of not only switching between a positive lens power and a negative lens power, but also switching between two linear polarization states which can be useful in optical systems. The potential applications are for optical systems, wearable devices and ophthalmic lenses. |
| doi_str_mv | 10.1063/1.4906495 |
| format | Article |
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The bifocal switch mainly consists of two parts: a LC layer as a polarization switch and two polymeric layers for modulation of polarization dependent spatial phase difference which results in a positive or a negative lensing effect. The orientations of the LC molecules in the polarization switch are manipulated either in electrically switching (ES) mode or optically rewritten (ORW) mode. The bifocal switch with an aperture size of 10 mm exhibits two discrete lens powers (−1.39 Diopter and +0.7 Diopter) with different polarization states no matter in ES mode or in ORW mode. ORW mode is also a bistable mode. The related mechanism and electro-optical performance are discussed and demonstrated. Such a versatile optical switch is capable of not only switching between a positive lens power and a negative lens power, but also switching between two linear polarization states which can be useful in optical systems. 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The bifocal switch mainly consists of two parts: a LC layer as a polarization switch and two polymeric layers for modulation of polarization dependent spatial phase difference which results in a positive or a negative lensing effect. The orientations of the LC molecules in the polarization switch are manipulated either in electrically switching (ES) mode or optically rewritten (ORW) mode. The bifocal switch with an aperture size of 10 mm exhibits two discrete lens powers (−1.39 Diopter and +0.7 Diopter) with different polarization states no matter in ES mode or in ORW mode. ORW mode is also a bistable mode. The related mechanism and electro-optical performance are discussed and demonstrated. Such a versatile optical switch is capable of not only switching between a positive lens power and a negative lens power, but also switching between two linear polarization states which can be useful in optical systems. The potential applications are for optical systems, wearable devices and ophthalmic lenses.</description><subject>Applied physics</subject><subject>Linear polarization</subject><subject>Liquid crystals</subject><subject>Ophthalmic lenses</subject><subject>Optical switching</subject><subject>Wearable technology</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNotkE1LAzEQhoMoWKsH_0HAk4etk02yTY6l-AUFL4rHMJtNMGXtbpMsUn-9kfYyw8w8887wEnLLYMGg4Q9sITQ0QsszMmOgdLWUEs7JDKBmldJLfUmuUtoCMKa4npHPFR2HHmP4dR1tgx8s9jT9hGy_aIupNIcd7cN-Ch218ZAy9okOo4uYy8z1zuYYyk5_oLgr8JiP1TW58AV1N6c8Jx9Pj-_rl2rz9vy6Xm0qy6XKlWZeed8qKd1S1U3boEZUFpryntQAnDNpsRNtZ5VgouYeuSwRUNaNQuRzcnfUHeOwn1zKZjtMcVdOmprVQgsGQhbq_kjZOKQUnTdjDN8YD4aB-ffNMHPyjf8BEuFfTw</recordid><startdate>20150128</startdate><enddate>20150128</enddate><creator>Chen, Hung-Shan</creator><creator>Lin, Yi-Hsin</creator><creator>Chang, Chia-Ming</creator><creator>Wang, Yu-Jen</creator><creator>Srivastava, Abhishek Kumar</creator><creator>Sun, Jia Tong</creator><creator>Chigrinov, Vladimir Grigorievich</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20150128</creationdate><title>A polarized bifocal switch based on liquid crystals operated electrically and optically</title><author>Chen, Hung-Shan ; Lin, Yi-Hsin ; Chang, Chia-Ming ; Wang, Yu-Jen ; Srivastava, Abhishek Kumar ; Sun, Jia Tong ; Chigrinov, Vladimir Grigorievich</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-91f8ffb855e7826b6a9aa8c0611859003315cad4bdc841423fa3523f0a5268aa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Applied physics</topic><topic>Linear polarization</topic><topic>Liquid crystals</topic><topic>Ophthalmic lenses</topic><topic>Optical switching</topic><topic>Wearable technology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Hung-Shan</creatorcontrib><creatorcontrib>Lin, Yi-Hsin</creatorcontrib><creatorcontrib>Chang, Chia-Ming</creatorcontrib><creatorcontrib>Wang, Yu-Jen</creatorcontrib><creatorcontrib>Srivastava, Abhishek Kumar</creatorcontrib><creatorcontrib>Sun, Jia Tong</creatorcontrib><creatorcontrib>Chigrinov, Vladimir Grigorievich</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Hung-Shan</au><au>Lin, Yi-Hsin</au><au>Chang, Chia-Ming</au><au>Wang, Yu-Jen</au><au>Srivastava, Abhishek Kumar</au><au>Sun, Jia Tong</au><au>Chigrinov, Vladimir Grigorievich</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A polarized bifocal switch based on liquid crystals operated electrically and optically</atitle><jtitle>Journal of applied physics</jtitle><date>2015-01-28</date><risdate>2015</risdate><volume>117</volume><issue>4</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>A polarized bifocal switch based on liquid crystals (LC) operated electrically and optically is demonstrated. The bifocal switch mainly consists of two parts: a LC layer as a polarization switch and two polymeric layers for modulation of polarization dependent spatial phase difference which results in a positive or a negative lensing effect. The orientations of the LC molecules in the polarization switch are manipulated either in electrically switching (ES) mode or optically rewritten (ORW) mode. The bifocal switch with an aperture size of 10 mm exhibits two discrete lens powers (−1.39 Diopter and +0.7 Diopter) with different polarization states no matter in ES mode or in ORW mode. ORW mode is also a bistable mode. The related mechanism and electro-optical performance are discussed and demonstrated. Such a versatile optical switch is capable of not only switching between a positive lens power and a negative lens power, but also switching between two linear polarization states which can be useful in optical systems. 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| ispartof | Journal of applied physics, 2015-01, Vol.117 (4) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Linear polarization Liquid crystals Ophthalmic lenses Optical switching Wearable technology |
| title | A polarized bifocal switch based on liquid crystals operated electrically and optically |
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