Electrically Tunable Diffraction Grating Based on Liquid Crystals
A periodic electric field is generated in the grating-like electrodes cell by an applied voltage and results in the reorientation of liquid crystals. The linearly polarized probe beam experienced periodic distribution of refractive index and formed a phase grating. He-Ne laser was used as the probe...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Advances in Condensed Matter Physics |
| Online Access: | http://dx.doi.org/10.1155/2018/7849529 |
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| _version_ | 1849306304919633920 |
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| author | Chuen-Lin Tien Rong-Ji Lin Shu-Hui Su Chi-Ting Horng |
| author_facet | Chuen-Lin Tien Rong-Ji Lin Shu-Hui Su Chi-Ting Horng |
| author_sort | Chuen-Lin Tien |
| collection | DOAJ |
| description | A periodic electric field is generated in the grating-like electrodes cell by an applied voltage and results in the reorientation of liquid crystals. The linearly polarized probe beam experienced periodic distribution of refractive index and formed a phase grating. He-Ne laser was used as the probe beam to detect the zeroth-order (o) and first-order (+1) diffraction intensities. The experimental results showed that the diffraction grating can be switched on by applying a small voltage. The optimal first-order diffraction efficiency is about 12%. The dependence of the first-order diffraction efficiency on the polarization of the probed beam is also discussed herein. |
| format | Article |
| id | doaj-art-2e2b274cd31a4af29697772c6768c913 |
| institution | Kabale University |
| issn | 1687-8108 1687-8124 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Condensed Matter Physics |
| spelling | doaj-art-2e2b274cd31a4af29697772c6768c9132025-08-20T03:55:07ZengWileyAdvances in Condensed Matter Physics1687-81081687-81242018-01-01201810.1155/2018/78495297849529Electrically Tunable Diffraction Grating Based on Liquid CrystalsChuen-Lin Tien0Rong-Ji Lin1Shu-Hui Su2Chi-Ting Horng3Department of Electrical Engineering, Feng Chia University, Taichung 40724, TaiwanPh.D. Program of Electrical and Communications Engineering, Feng Chia University, Taichung 40724, TaiwanPh.D. Program of Electrical and Communications Engineering, Feng Chia University, Taichung 40724, TaiwanDepartment of Ophthalmology, Fooyin University Hospital, Pingtung, TaiwanA periodic electric field is generated in the grating-like electrodes cell by an applied voltage and results in the reorientation of liquid crystals. The linearly polarized probe beam experienced periodic distribution of refractive index and formed a phase grating. He-Ne laser was used as the probe beam to detect the zeroth-order (o) and first-order (+1) diffraction intensities. The experimental results showed that the diffraction grating can be switched on by applying a small voltage. The optimal first-order diffraction efficiency is about 12%. The dependence of the first-order diffraction efficiency on the polarization of the probed beam is also discussed herein.http://dx.doi.org/10.1155/2018/7849529 |
| spellingShingle | Chuen-Lin Tien Rong-Ji Lin Shu-Hui Su Chi-Ting Horng Electrically Tunable Diffraction Grating Based on Liquid Crystals Advances in Condensed Matter Physics |
| title | Electrically Tunable Diffraction Grating Based on Liquid Crystals |
| title_full | Electrically Tunable Diffraction Grating Based on Liquid Crystals |
| title_fullStr | Electrically Tunable Diffraction Grating Based on Liquid Crystals |
| title_full_unstemmed | Electrically Tunable Diffraction Grating Based on Liquid Crystals |
| title_short | Electrically Tunable Diffraction Grating Based on Liquid Crystals |
| title_sort | electrically tunable diffraction grating based on liquid crystals |
| url | http://dx.doi.org/10.1155/2018/7849529 |
| work_keys_str_mv | AT chuenlintien electricallytunablediffractiongratingbasedonliquidcrystals AT rongjilin electricallytunablediffractiongratingbasedonliquidcrystals AT shuhuisu electricallytunablediffractiongratingbasedonliquidcrystals AT chitinghorng electricallytunablediffractiongratingbasedonliquidcrystals |