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    Belyaev, B. A.
    Analysis of the quality factor of the optical half-wavelength resonator / B. A. Belyaev, V. V. Tyurnev // Microwave Opt. Techn. Lett. - 2013. - Vol. 55, Is. 7. - P. 1613-1616DOI 10.1002/mop.27662
   Перевод заглавия: Анализ добротности оптического полуволнового резонатора
Аннотация: An electrodynamic analysis of an optical resonator comprising a half-wavelength dielectric layer that is covered from both sides by quarter-wavelength layers with higher and lower refractive indices (RIs) is carried out.For such a resonator, the dependences of the external quality factor on number and RIs of the layers are obtained first. That allows one to determine minimum number of the layers in the structure to achieve the required quality factor at practically any contrast of the RIs. The results of this study provide an easy way to optimize the structures of 1D photonic crystal devices, particularly high-selectivity bandpass filters.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk, Russia

Доп.точки доступа:
Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Беляев, Борис Афанасьевич
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Magneto-optical Kerr effect enhancement in Co-Ti-O nanocomposite films / V. V. Polyakov [et al.] // Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. - Vol. 190. - P. 506-509, DOI 10.4028/www.scientific.net/SSP.190.506 . - ISBN 1012-0394. - ISBN 9783037854365
Кл.слова (ненормированные):
Kerr effect -- Magneto-optical properties -- Nanocomposite films -- Nanogranular films -- Co films -- Kerr rotation angle -- Layer structures -- Layered Structures -- Magnetic phase -- Magneto-optical Kerr effects -- Magneto-optical spectra -- Magnetooptical properties -- Metal film -- Nanogranular films -- Volume concentration -- Wavelength ranges -- Kerr magnetooptical effect -- Magnetic materials -- Metallic films -- Nanocomposite films -- Optical Kerr effect -- Optical properties -- Wavelength -- Cobalt
Аннотация: Co-Ti-O nanogranular films with different volume concentrations of a magnetic phase and Co/Ti-O layered structures with different numbers of layer pairs are studied by the magnetooptical Kerr effect. It is shown that, unlike the case of homogeneous metal films, the magnetooptical spectra of the nanogranular films exhibit resonance with a significant increase in the Kerr rotation angle in the wavelength range 500-700 nm. It is found that the Kerr rotation angle of the Co/Ti-O layer structures in the wavelength range 500-600 nm grows by an order of magnitude as compared to its value for ordinary Co films. В© (2012) Trans Tech Publications.

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Доп.точки доступа:
Polyakov, V. V.; Поляков, Виктор Васильевич; Polyakova, K. P.; Полякова, Клавдия Павловна; Seredkin, V. A.; Середкин, Виталий Александрович; Patrin, G. S.; Патрин, Геннадий Семёнович; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
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Generation of coherent vacuum UV radiation in randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // Conference on Lasers and Electro-Optics Europe - Technical Digest. - 2015. - Vol. 2015-August . - ISSN 9781-5575
Кл.слова (ненормированные):
Crystals -- Frequency conversion -- Harmonic analysis -- Nonlinear optics -- Optical harmonic generation -- Optical pulses -- Wavelength measurement
Аннотация: Tunable coherent radiation is generated in the VUV down to 121 nm using random quasi-phase-matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. © 2015 OSA.

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Доп.точки доступа:
Trabs, P.; Noack, F.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, V.; Conference on Lasers and Electro-Optics(2015 ; May ; 10-15 ; San Jose, California, US)
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Laser-induced wavelength-controlled self-assembly of colloidal quasi-resonant quantum dots / A. S. Tsipotan [et al.] // Opt. Express. - 2016. - Vol. 24, Is. 10. - P. 11145-11150, DOI 10.1364/OE.24.011145. - Cited References:18. - This research is partially supported by Grant of the Ministry of Education and Science of the Russian Federation for Siberian Federal University (projects No 3.1749.2014/K, 214/71) and RFBR, research project No. 14-02-00219 A. . - ISSN 1094-4087

РУБ Optics
Рубрики:
Organized aggregation
   Metal nanoparticles
   Optical binding
   Dynamics
   Field
Аннотация: Self-assembly of colloidal semiconductor quantum dots controlled solely by laser-induced interaction is demonstrated for the first time. Pairs of CdTe nanoparticles are formed under irradiation with nanosecond pulses at wavelengths 555 or 560 nm. Formation of pairs is justified by corresponding changes of absorption spectra. Conditions of the experiment are in excellent agreement with those predicted by the theory of laser-induced dipole-dipole interaction of QDs. The fraction of QDs assembled into pairs is up to 47%. (C) 2016 Optical Society of America

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Держатели документа:
Siberian Fed Univ, Svobodny Pr 79, Krasnoyarsk 660041, Russia.
LV Kirenskii Inst Phys, Akad Gorodok 50-38, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Tsipotan, A. S.; Gerasimova, M. A.; Slabko, V. V.; Слабко, Виталий Васильевич; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Grant of Ministry of Education and Science of the Russian Federation [3.1749.2014/K, 214/71]; RFBR [14-02-00219 A]
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Ultrashort pulses characterization by nonlinear diffraction from virtual beam / A. S. Aleksandrovsky [et al.] // Appl. Phys. Lett. - 2011. - Vol. 98, Is. 6. - Ст. 61104, DOI 10.1063/1.3554370. - Cited References: 14. - The work was supported by Ministry of Education and Science of Russian Federation (Contract No. 16.740.11.0150); Grant of President of Russian Federation for support of leading scientific schools Grant No. SS-4645.2010.2; Grant No. RNP.2.1.1.3455 and Projects 2.5.2 and 3.9.1 of PSB RAS; and Projects Nos. 27.1 and 5 of SB RAS. A. M. Vyunishev is grateful for support from Carl Zeiss Grant and from Krasnoyarsk Regional Fund of Science and Technical Activity Support. . - ISSN 0003-6951

РУБ Physics, Applied
Рубрики:
CRYSTAL
SRB4O7
Кл.слова (ненормированные):
Broad spectral -- Frequency-doubling -- Noncollinear -- Nonlinear diffraction -- Nonlinear photonic crystals -- Short-wavelength -- Tetraborate -- Ultrafast diagnostics -- Diffraction -- Light propagation -- Strontium -- Ultrashort pulses -- Photonic crystals
Аннотация: Noncollinear frequency doubling in a random nonlinear photonic crystal of strontium tetraborate via nonlinear diffraction from virtual beam is investigated. This effect is shown to be useful for ultrashort pulses characterization in broad spectral range. Nonlinear photonic crystals of strontium tetraborate are a promising medium for ultrafast diagnostics in short-wavelength applications. (C) 2011 American Institute of Physics. [doi:10.1063/1.3554370]

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Держатели документа:
[Aleksandrovsky, A. S.
Vyunishev, A. M.
Zaitsev, A. I.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Aleksandrovsky, A. S.
Vyunishev, A. M.
Zaitsev, A. I.
Ikonnikov, A. A.
Pospelov, G. I.] Siberian Fed Univ, Krasnoyarsk 660079, Russia
ИФ СО РАН
L. V. Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Siberian Federal University, 660079 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Zaitsev, A. I.; Зайцев, Александр Иванович; Ikonnikov, A. A.; Pospelov, G. I.
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Specific features of the approximation of the dielectric spectra of alkylcyanobiphenyl liquid crystals / B. A. Belyaev [et al.] // Phys. Solid State. - 2003. - Vol. 45, Is. 3. - P. 598-602, DOI 10.1134/1.1562253. - Cited References: 16 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
DECIMETER WAVELENGTH RANGE
SERIES
RELAXATION
Аннотация: The frequency dependences of the longitudinal and transverse permittivities of oriented nematic liquid crystals belonging to the alkylcyanobiphenyl group nCB (n = 5-8) are measured in the relaxation region in the meter and decimeter wavelength ranges. It is established that the dispersion of the longitudinal permittivity is well approximated by the sum of two Debye processes with different relaxation times. The frequency dependence of the transverse permittivity is represented by the dispersion relation with a continuous distribution of relaxation times in a specified time range. It is demonstrated that, in the high-frequency range (f 200 MHz), in which the dielectric spectra exhibit a number of weakly pronounced dispersion features, the total dispersion of the permittivity is adequately described by the sum of relaxation and resonance processes. (C) 2003 MAIK "Nauka/Interperiodica".

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

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Drokin, N. A.; Дрокин, Николай Александрович; Shabanov, V. F.; Шабанов, Василий Филиппович; Shepov, V. N.; Шепов, Владимир Николаевич
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Belyaev, B. A.
Dielectric and optical properties of a 5-propyl-2-(p-cyanophenyl)-pyridine liquid crystal / B. A. Belyaev, N. A. Drokin, V. F. Shabanov // Phys. Solid State. - 2003. - Vol. 45, Is. 4. - P. 797-801, DOI 10.1134/1.1569024. - Cited References: 12 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
DECIMETER WAVELENGTH RANGE
   SERIES
   SPECTRA
   5CB
Аннотация: The temperature dependences of the dielectric and optical parameters for a 5-propyl-2-(p-cyanophenyl)-pyridine (3CP) liquid crystal are investigated in the vicinity of the nematic-isotropic phase transition. The dielectric spectra of the 3CP compound in the crystalline, nematic, and isotropic phases are measured in the frequency range 1-1000 MHz, and the Debye approximations of the measured spectra are obtained. Analysis of the dependence of the static permittivity on the director orientation with respect to the direction of the electric pump field demonstrates that the angle between the dipole moment and the long axis of the molecule is approximately equal to 15degrees. (C) 2003 MAIK "Nauka / Interperiodica".

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

Доп.точки доступа:
Drokin, N. A.; Дрокин, Николай Александрович; Shabanov, V. F.; Шабанов, Василий Филиппович; Беляев, Борис Афанасьевич
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High-frequency dielectric spectra from liquid crystals of series nCB and nOCB / B. A. Belyaev [et al.] // Tech. Phys. - 2002. - Vol. 47, Is. 4. - P. 470-473, DOI 10.1134/1.1470597. - Cited References: 8 . - ISSN 1063-7842

РУБ Physics, Applied
Рубрики:
DECIMETER WAVELENGTH RANGE
   RELAXATION
   SPECTROSCOPY
   PHASES
Аннотация: The design of a resonant frequency-tunable high-sensitivity microstrip sensor is suggested. The permittivity dispersion of liquid crystals of two homologic series, alkylcyanobiphenyls (7CB and 8CB) and alkyloxycyanobiphenyls (7OCB and 8OCB), is studied at frequencies of 100-900 MHz. The dielectric spectra are shown to be the sum of the Debye relaxation and dielectric resonances observed at f approximate to 160, 280, 360, 450, 550, and 650 MHz. The dielectric resonances are present in the spectra of all the samples in both the nematic and isotropic phase. The substitution of an oxygen atom (series nOCB) for a carbon atom (series nCB) in liquid crystal molecules has a minor effect on the dielectric resonance frequencies but changes the resonance intensities and splits some of the resonance lines. (C) 2002 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, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Drokin, N. A.; Дрокин, Николай Александрович; Shabanov, V. F.; Шабанов, Василий Филиппович; Shepov, V. N.; Шепов, Владимир Николаевич
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Magnetooptic activity of f-d and f-f electron transitions in Pr3+ in the glass matrix LiB3O5 / A. M. Potseluyko [et al.] // Physica B. - 2000. - Vol. 291, Is. 1-2. - P. 89-96, DOI 10.1016/S0921-4526(99)01869-4. - Cited References: 17 . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:
FARADAY-ROTATION
OXIDE GLASSES
Кл.слова (ненормированные):
Faraday rotation -- magnetooptic activity -- praseodymium -- Electron transitions -- Faraday effect -- Light absorption -- Lithium compounds -- Praseodymium compounds -- Faraday rotation -- Transition wavelength -- Optical glass
Аннотация: The results of absorption, Faraday rotation and magnetic circular dichroism measurements for glasses with the composition of LiB3O5 + Pr2O3 are presented. The effective wavelength of the transition giving the main contribution to Faraday rotation in these glasses is determined. The contributions of several f-f transitions to Faraday rotation are separated and their magnetooptical activities are evaluated in comparison with the activity of the f-d transition. (C) 2000 Elsevier Science B.V. All rights reserved.

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Держатели документа:
SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, SB RAS, 660036, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Potseluyko, A. M.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Zabluda, V. N.; Заблуда, Владимир Николаевич; Bolsunovskaya, O. A.; Zamkov, A. V.; Замков, Анатолий Васильевич; Parshikov, S. A.; Zaytsev, A. I.
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10.

Dielectric anisotropy of 5CB liquid crystal in a decimeter wavelength range / B. A. Belyaev [et al.] // Phys. Solid State. - 2000. - Vol. 42, Is. 3. - P. 577-579, DOI 10.1134/1.1131251. - Cited References: 7 . - ISSN 1063-7834

РУБ Physics, Condensed Matter

Аннотация: Parallel and perpendicular components of the dielectric constant for 5CB nematic liquid crystal are measured in a relaxation region. Two frequencies f(1) approximate to 30 and f(2) approximate to 350 MHz are determined at which the inversion of the dielectric anisotropy sign is observed. It is shown that the observed sizable high-frequency shift of f(2) with respect to the value calculated according the Debye theory is caused by the dielectric resonance near the relaxation region. (C) 2000 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Drokin, N. A.; Дрокин, Николай Александрович; Shabanov, V. F.; Шабанов, Василий Филиппович; Shepov, V. N.; Шепов, Владимир Николаевич
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