Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal
The five-layer nanorod-mediated surface plasmon sensor with inhomogeneous liquid crystal layer was theoretically investigated. The reflectance as the function of the incident angle was calculated at different voltages applied to the liquid crystal (LC) for different analyte refractive indices. By c...
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Видавець: | Інститут фізики конденсованих систем НАН України |
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Дата: | 2018 |
Автори: | , , |
Формат: | Стаття |
Мова: | English |
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Інститут фізики конденсованих систем НАН України
2018
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Назва видання: | Condensed Matter Physics |
Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/157047 |
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Цитувати: | Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal / Ye.S. Yarmoshchuk, V.I. Zadorozhnii, V.Yu. Reshetnyak // Condensed Matter Physics. — 2018. — Т. 21, № 1. — С. 13401: 1–10. — Бібліогр.: 34 назв. — англ. |
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irk-123456789-1570472019-06-20T01:29:20Z Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal Yarmoshchuk, Ye.S. Zadorozhnii, V.I. Reshetnyak, V.Yu. The five-layer nanorod-mediated surface plasmon sensor with inhomogeneous liquid crystal layer was theoretically investigated. The reflectance as the function of the incident angle was calculated at different voltages applied to the liquid crystal (LC) for different analyte refractive indices. By changing the LC director orientation one can control the position of the reflective dips and choose the one that is the most sensitive to the analyte refractive index. At the chosen angle of incidence, the analyte refractive index can be found from the reflectance value. The director reorientation effect is stronger when the prism refractive index is between ordinary and extraordinary refractive indices of the LC. In this case, the voltage increase and the prism refractive index decrease have a similar effect on the reflectance features. Теоретично дослiджено п’ятишаровий плазмонний сенсор з шаром наночастинок та неоднорiдним шаром рiдкого кристалу. Розраховано коефiцiєнт вiдбивання як функцiю кута падiння при рiзних значеннях показника заломлення аналiту та прикладеної до рiдкого кристалу (РК) напруги. Змiнюючи орiєнтацiю директора рiдкого кристалу, можна контролювати положення мiнiмумiв кривих вiдбивання i вибрати той, що найбiльш чутливий до показника заломлення аналiту. При вибраному кутi падiння показник заломлення аналiту може бути визначений по значенню коефiцiєнта вiдбивання. Вплив переорiєнтацiї директора сильнiший, коли значення показника заломлення призми є мiж звичайним i незвичайним показниками заломлення РК, в цьому випадку збiльшення напруги i зменшення показника заломлення призми мають подiбний вплив на форму кривої вiдбивання. 2018 Article Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal / Ye.S. Yarmoshchuk, V.I. Zadorozhnii, V.Yu. Reshetnyak // Condensed Matter Physics. — 2018. — Т. 21, № 1. — С. 13401: 1–10. — Бібліогр.: 34 назв. — англ. 1607-324X PACS: 42.79.Kr, 61.30.Gd, 78.15.+e, 73.20.Mf, 42.79.Pw, 87.85.fk DOI:10.5488/CMP.21.13401 arXiv:1803.11409 http://dspace.nbuv.gov.ua/handle/123456789/157047 en Condensed Matter Physics Інститут фізики конденсованих систем НАН України |
institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
collection |
DSpace DC |
language |
English |
description |
The five-layer nanorod-mediated surface plasmon sensor with inhomogeneous liquid crystal layer was theoretically investigated. The reflectance as the function of the incident angle was calculated at different voltages
applied to the liquid crystal (LC) for different analyte refractive indices. By changing the LC director orientation
one can control the position of the reflective dips and choose the one that is the most sensitive to the analyte
refractive index. At the chosen angle of incidence, the analyte refractive index can be found from the reflectance
value. The director reorientation effect is stronger when the prism refractive index is between ordinary and extraordinary refractive indices of the LC. In this case, the voltage increase and the prism refractive index decrease
have a similar effect on the reflectance features. |
format |
Article |
author |
Yarmoshchuk, Ye.S. Zadorozhnii, V.I. Reshetnyak, V.Yu. |
spellingShingle |
Yarmoshchuk, Ye.S. Zadorozhnii, V.I. Reshetnyak, V.Yu. Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal Condensed Matter Physics |
author_facet |
Yarmoshchuk, Ye.S. Zadorozhnii, V.I. Reshetnyak, V.Yu. |
author_sort |
Yarmoshchuk, Ye.S. |
title |
Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal |
title_short |
Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal |
title_full |
Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal |
title_fullStr |
Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal |
title_full_unstemmed |
Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal |
title_sort |
numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal |
publisher |
Інститут фізики конденсованих систем НАН України |
publishDate |
2018 |
url |
http://dspace.nbuv.gov.ua/handle/123456789/157047 |
citation_txt |
Numerical modelling of light propagation in surface plasmon resonance sensor with liquid crystal / Ye.S. Yarmoshchuk, V.I. Zadorozhnii, V.Yu. Reshetnyak // Condensed Matter Physics. — 2018. — Т. 21, № 1. — С. 13401: 1–10. — Бібліогр.: 34 назв. — англ. |
series |
Condensed Matter Physics |
work_keys_str_mv |
AT yarmoshchukyes numericalmodellingoflightpropagationinsurfaceplasmonresonancesensorwithliquidcrystal AT zadorozhniivi numericalmodellingoflightpropagationinsurfaceplasmonresonancesensorwithliquidcrystal AT reshetnyakvyu numericalmodellingoflightpropagationinsurfaceplasmonresonancesensorwithliquidcrystal |
first_indexed |
2023-05-20T17:51:25Z |
last_indexed |
2023-05-20T17:51:25Z |
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1796154251543576576 |