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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/7529
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dc.contributor.authorRyzhkova, A. V.-
dc.contributor.authorPratibha, R.-
dc.contributor.authorNikkhouc, Maryam-
dc.contributor.authorMuševič, Igor-
dc.date.accessioned2020-09-11T06:11:04Z-
dc.date.available2020-09-11T06:11:04Z-
dc.date.issued2020-02-
dc.identifier.citationProceedings of the SPIE, 2020, Vol.11303, p113030K, Emerging Liquid Crystal Technologies XV, edited by Liang-Chy Chienen_US
dc.identifier.issn0277-786X-
dc.identifier.urihttp://hdl.handle.net/2289/7529-
dc.descriptionRestricted Accessen_US
dc.description.abstractWe discuss the electric field tuning of ferroelectric liquid crystal microlasers. The microlasers were made of 90:10 wt % mixture of CE3 and CE14 ferroelectric liquid crystals (FLCs), which was doped with ~0.1% Pyrromethene 580 fluorescent dye. The ferroelectric Sm C* phase was observed between 42°C and 74°C. The droplets were embedded into the CYTOP CTX-809A, a polymer with low electric conductivity and high viscosity. Within the temperature range 42-60°C the droplets obtained good homeotropic structure with the perpendicular anchoring of the molecules to the surface of the droplets. When the droplets were illuminated with a 532 nm pulsed laser light, Whispering Gallery Mode lasing was observed. The application of a low frequency electric field induced a red-shift of the WGM resonance peaks. The shift was reversible and had a quadratic dependency on the electric field. The observed tuning range was 4.5 nm for 2 V/μm applied electric field. The observed behaviour is explained by the soliton-like deformation of the helical ferroelectric Sm C* structure in an external electric field.en_US
dc.language.isoenen_US
dc.publisherSPIE - The International Society for Optics and Photonicsen_US
dc.relation.urihttps://ui.adsabs.harvard.edu/abs/2020SPIE11303E..0KR/abstracten_US
dc.relation.urihttps://doi.org/10.1117/12.2545802en_US
dc.rights2020, SPIEen_US
dc.subjectliquid crystalsen_US
dc.subjectmicrolasersen_US
dc.subjectelectric field tuningen_US
dc.subjectmode splittingen_US
dc.titleElectric field tuning of ferroelectric liquid-crystal microlaseren_US
dc.typeArticleen_US
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