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Geometric phase and o-mode blue shift in a chiral anisotropic medium inside a Fabry-P'erot cavity | | I.V. Timofeev
; V.A. Gunyakov
; V.S. Sutormin
; S.A. Myslivets
; V.G. Arkhipkin
; S.Ya. Vetrov
; W. Lee
; V.Ya. Zyryanov
; | | Date: |
19 Sep 2015 | | Abstract: | Anomalous spectral shift of transmission peaks is observed in a
Fabry--P’erot cavity filled with a chiral anisotropic medium. The effective
refractive index value resides out of the interval between the ordinary and the
extraordinary refractive indices. The spectral shift is explained by
contribution of a geometric phase. The problem is solved analytically using the
approximate Jones matrix method, numerically using the accurate Berreman method
and geometrically using the generalized Mauguin--Poincar’e rolling cone
method. The $o$-mode blue shift is measured for a
4-methoxybenzylidene-4’-$n$-butylaniline twisted--nematic layer inside the
Fabry--P’erot cavity. The twist is electrically induced due to the
homeoplanar--twisted configuration transition in an ionic-surfactant-doped
liquid crystal layer. Experimental evidence confirms the validity of the
theoretical model. | | Source: | arXiv, 1509.5869 | | Services: | Forum | Review | PDF | Favorites | |
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