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1.


   
    ORIENTATION STRUCTURE OF CAPSULATED CHOLESTERICS / S. Y. VETROV [и др.] // Zhurnal Eksperimentalnoi Teor. Fiz. - 1993. - Vol. 104, Is. 5. - P. 3630-3642. - Cited References: 27 . - ISSN 0044-4510
РУБ Physics, Multidisciplinary
Рубрики:
LIQUID-CRYSTALS
   DROPLETS
   DEPENDENCE

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Доп.точки доступа:
VETROV, S. Y.; SADREEV, A. F.; SHABANOV, A. V.; SHABANOV, V. F.
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2.


   
    Volume bistabiljty in ferroelectric liquid crystal droplets / V. Ya. Zyryanov, S. L. Smorgon, V. F. Shabanov [et al.] // 16th International Liquid Crystal Conference (ILCC 1996) : program and abstract book. - 1996. - Ст. D1P.24. - P. 168
Аннотация: The effect ofvolume bistability (VB) has recently been discovered and analysed [1] in thick (15 mem and more) layers ofpurposefully created ferroelectric liquid crystal (FLC) compositions. VB is a phenomenon that is mainly associated with the stereochemical nature of the FLC composition and is practically independent of the surface. We have studied the characteristics of planar-oriented PDFLC films obtained based on the above compositions. The effect of VB is shown to take place in large-size droplets. Unlike pure layers, VB in FLC droplets is of a reverse nature, i.e. an optical state is memorised that is opposite to the optical state corresponding to the polarity ofthe driving pulse. We discuss the features typical of VB in FLC droplets and make a comparison between the results obtained and the results ofsurface bistability studies in FLC droplets [2].

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Доп.точки доступа:
Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Smorgon, S. L.; Сморгон, Сергей Леонидович; Shabanov, V. F.; Шабанов, Василий Филиппович; Andreev, A. L.; Pozhidaev, E. P.; Пожидаев Е. П.; Kompanets, I. N.; International Liquid Crystal Conference(16 ; 1996 ; 24-28 June ; Kent, US)
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3.


   
    Friedericksz transition in elongated nematic droplets / V. V. Presnyakov, S. L. Smorgon, V. F. Shabanov, V. Ya. Zyryanov // 16th International Liquid Crystal Conference (ILCC 1996) : program and abstract book. - 1996. - Ст. B1P.10. - P. 44
Аннотация: We have studied the process of reorientation of 5CB nematic droplets dispersed in a stretched polyvinylbutyral film. Unlike [1,2], poles ofbipolar droplets have been observed to remain fixed. Reorientation starts at the centre of the droplet gradually progressing towards the droplet surface. It has been found that in samples containing large droplets, the light transmission dependence on the applied voltage has an oscillating behaviour. A qualitative explanation to this phenomenon can be given by using the anomal diffraction approach presented in [3]. An experimental technique is described to determine the Friedericksz threshold value in polymer dispersed nematic liquid crystals. The Friedericksz threshold value has been measured versus the size and the shape ofthe nematic droplets. The results obtained are analysed in terms oftheoretical models [1,2].

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Доп.точки доступа:
Presnyakov, V. V.; Smorgon, S. L.; Сморгон, Сергей Леонидович; Shabanov, V. F.; Шабанов, Василий Филиппович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; International Liquid Crystal Conference(16 ; 1996 ; 24-28 June ; Kent, US)
}
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4.


   
    Friedericksz threshold field in bipolar droplets with rigidly fixed poles / V. V. Presnyakov, V. Ya. Zyryanov, V. F. Shabanov, S. Ya. Vetrov // 17th International Liquid Crystal Conference (ILCC 1998) : program and abstract book. - 1998. - P. 253

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Доп.точки доступа:
Presnyakov, V. V.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович; Vetrov, S. Ya.; Ветров, Степан Яковлевич; International Liquid Crystal Conference(17 ; 1998 ; 19-24 July ; Strasbourg)
}
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5.


   
    Textures and orientational structures of elongated FLC droplets in polymer matrix / S. L. Smorgon, V. Ya. Zyryanov, V. F. Shabanov, E. P. Pozhidaev // 17th International Liquid Crystal Conference (ILCC 1998) : program and abstract book. - 1998. - P. 252

Материалы конференции

Доп.точки доступа:
Smorgon, S. L.; Сморгон, Сергей Леонидович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович; Pozhidaev, E. P.; International Liquid Crystal Conference(17 ; 1998 ; 19-24 July ; Strasbourg)
}
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6.


    Zyryanov, V. Ya.
    Orientational structures of elongated droplets of ferroelectric liquid crystals in polymer matrix / V. Ya. Zyryanov, S. L. Smorgon, V. F. Shabanov, E. P. Pozhidaev // Molecular Materials. - 1998. - Vol. 9, N. 2. - P. 139-145

Держатели документа:
LV KIRENSKII INST PHYS,KRASNOYARSK 660036,RUSSIA

Доп.точки доступа:
Smorgon, S. L.; Сморгон, Сергей Леонидович; Shabanov, V. F.; Шабанов, Василий Филиппович; Pozhidaev, E. P.; Зырянов, Виктор Яковлевич
}
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7.


   
    Orientational structures of elongated droplets of ferroelectric liquid crystals in polymer matrix / V. Ya. Zyryanov, S. L. Smorgon, V. F. Shabanov, E. P. Pozhidaev // Molecular crystals and liquid crystals science and technology : section C- Molecular materials. - 1998. - Vol. 9, Is. 2. - P. 139-145

Держатели документа:
LV KIRENSKII INST PHYS,KRASNOYARSK 660036,RUSSIA

Доп.точки доступа:
Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Smorgon, S. L.; Shabanov, V. F.; Шабанов, Василий Филиппович; Pozhidaev, E. P.
}
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8.


   
    Electro-optical response of uniaxially oriented PDChLC films with various droplets anisometry and concentration of the chiral additive / V. V. Presnyakov, S. A. Vetoshkin, V. Ya. Zyryanov, V. F. Shabanov // MRS (Materials Research Society) Spring meeting : abstracts. - 1999. - Symposium D - Liquid Crystal Materials and Devices. - Ст. D6.1. - P. 85
Аннотация: Uniaxially oriented films of polymer dispersed cholesteric liquid crystals (PDChLC) is a new perspective material for multifunctional optoelectronic elements. The material presents a polymer film with an ensemble of elongated cholesteric droplets dispersed therein. Long axes of the droplets are oriented preferably uniaxially in the film plane. These films reveal a great anisotropy of the polarized light transparency, which depends strongly on the applied electric field, concentration of the chiral additive and shape of the droplets. We have found the optimal composition and droplets anisometry to produce the films, which can be switched by applied voltage between three different optical states: scattering light of any polarization, transmitting the one linear-polarized component only and transparency for light any polarization. A device employing these films may be used as a modulator of the whole of the light, as a modulator of one linearly polarized component only and as a light polarizer.

Материалы конференции

Доп.точки доступа:
Presnyakov, V. V.; Пресняков, Владимир Валентинович; Vetoshkin, S. A.; Ветошкин, Сергей А.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович; MRS Spring meeting(1999 ; April 5–9 ; San Francisco, USA)
}
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9.


   
    Chaotic waveguide-based resonators for microlasers / J. A. Mendez-Bermudez [et al.] // Phys. Rev. B. - 2003. - Vol. 67, Is. 16. - Ст. 161104, DOI 10.1103/PhysRevB.67.161104. - Cited References: 33 . - ISSN 1098-0121
РУБ Physics, Condensed Matter
Рубрики:
QUANTUM-CLASSICAL CORRESPONDENCE
   MORPHOLOGY-DEPENDENT RESONANCES
   DIRECTIONAL EMISSION
   OPTICAL CAVITIES
   MICRODISK LASERS
   WAVE CHAOS
   DROPLETS
   PRECESSION
   BILLIARDS
   STATES
Аннотация: We propose the construction of highly directional emission microlasers using two-dimensional high-index semiconductor waveguides as open resonators. The prototype waveguide is formed by two collinear leads connected to a cavity of certain shape. The proposed lasing mechanism requires that the shape of the cavity yield mixed chaotic ray dynamics so as to have the approplate (phase space) resonance islands. These islands allow, via Heisenberg's uncertainty principle, the appearance of quasibound states (QBSs) which, in turn, propitiate the lasing mechanism. The energy values of the QBSs are found through the solution of the Helmholtz equation. We use classical ray dynamics to predict the direction and intensity of the lasing produced by such open resonators for typical values of the index of refraction.

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Держатели документа:
Univ Autonoma Puebla, Inst Fis, Puebla 72570, Mexico
Univ Hradec Kralove, Dept Phys, Hradec Kralove, Czech Republic
Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Mendez-Bermudez, J. A.; Luna-Acosta, G. A.; Seba, P.; Pichugin, K. N.; Пичугин, Константин Николаевич
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10.


    Prischepa, O. O.
    Transformation of director configuration upon changing boundary conditions in droplets of nematic liquid crystal / O. O. Prischepa, A. V. Shabanov, V. Y. Zyryanov // JETP Letters. - 2004. - Vol. 79, Is. 6. - P. 257-261, DOI 10.1134/1.1759405. - Cited References: 12 . - ISSN 0021-3640
РУБ Physics, Multidisciplinary
Рубрики:
ISOTROPIC LIQUID
   DROPS
Аннотация: The transformation of the director configuration upon changing boundary conditions from planar to homeotropic for bipolar nematic droplets dispersed in a polymeric matrix was studied. The characteristic textural patterns are presented for droplets with different concentrations of homeotropic surfactants, and their orientational structure is identified. The scenario predicted earlier by G.E. Volovik and O.D. Lavrentovich (ZhETF 85, 1997 (1983)) for the transformation of orientational structure of nematic droplets from bipolar to radial, without the formation of additional disclinations, is revealed. It is shown that, by using the computational method of minimization of the director elastic-strain energy in the droplet bulk and by introducing the inhomogeneous boundary conditions, one can obtain orientational structures that are analogous to the observed ones.(C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Akademgorodok, 660036, Russian Federation

Доп.точки доступа:
Shabanov, A. V.; Шабанов, Александр Васильевич; Zyryanov, V. Y.; Зырянов, Виктор Яковлевич; Prishchepa, O. O.
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