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Čerenkov nonlinear diffraction of femtosecond pulses / A. M. Vyunishev [et al.] // ICONO/LAT 2013 : Advance conference program. - 2013. - Ст. ITU17. - P. 40

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Доп.точки доступа:
Vyunishev, A. M.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Slabko, V. V.; Слабко, Виталий Васильевич; International Conference on Coherent and Nonlinear Optics(2013 ; June ; 18-22 ; Moscow)
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Cerenkov nonlinear diffraction of femtosecond pulses in random nonlinear photonic crystal / A. M. Vyunishev [et al.] // Third Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics : Program and Book of Abstracts. - 2013. - Ст. S1-11-O30. - P. 20

Доп.точки доступа:
Vyunishev, A. M.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Slabko, V. V.; Слабко, Виталий Васильевич; Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics (3 ; 2013 ; Jun. ; 14-18 ; Владимир / Суздаль)
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    Cerenkov nonlinear diffraction of femtosecond pulses / A. M. Vyunishev [et al.] // J. Opt. Soc. Am. B. - 2013. - Vol. 30, Is. 7. - P. 2014-2021, DOI 10.1364/JOSAB.30.002014. - Cited References: 43. - The work was partially supported by the Grant of the President of the Russian Federation MK-250.2013.2, by RFBR through Grant No. 12-02-31167, by the Ministry of Education and Science of the Russian Federation (Contract No. 14.B37.21.0730), by Krasnoyarsk Regional Fund of Science and Technical Activity Support, by PSB RAS Project 2.5.2, and by SFU Grant F12. . - ISSN 0740-3224
   Перевод заглавия: Черенковская нелинейная дифракция фемтосекундных импульсов

РУБ Optics
Рубрики:
STRONTIUM BARIUM NIOBATE
   2ND-HARMONIC GENERATION
   PHOTONIC CRYSTAL
   DOMAIN-WALLS
   MODULATION
Аннотация: Cerenkov nonlinear diffraction of femtosecond pulses in one-dimensional nonlinear photonic crystal of strontium tetraborate was studied theoretically and experimentally in both frequency and time domains. Spectral features of second harmonic radiation were measured in the course of mapping the nonlinear photonic crystal structure. The local second harmonic spectrum demonstrates complex angular behavior within the beam cross section. The spectral width of the second harmonic radiation is found to be fundamental beam size-dependent, and optimal focusing should be used for exact conversion of the fundamental spectrum into the second harmonic one. Experimental results are in excellent agreement with calculations. Maximum second harmonic generation efficiency was up to 2.1% at pumping by a femtosecond oscillator. (C) 2013 Optical Society of America

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660079, Russia

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Slabko, V. V.; Слабко, Виталий Васильевич
}
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    Nonlinear Raman-Nath diffraction of femtosecond laser pulses / A. M. Vyunishev [et al.] // Opt. Lett. - 2014. - Vol. 39, Is. 14. - P. 4231-4234, DOI 10.1364/OL.39.004231. - Cited References: 22. - This work was partially supported by the Grant of the President of the Russian Federation MK-250.2013.2, Krasnoyarsk Regional Fund for Science and Technical Activity Support and by the RAS grant no. 24.31. A. A. acknowledges the financial support of young scientists through the Ural Federal University Development Program. The authors thank A. S. Chirkin and I. V. Timofeev for fruitful discussions and A. V. Barannik for optical microscopy of the samples. . - ISSN 0146-9592. - ISSN 1539-4794
   Перевод заглавия: Нелинейная дифракция Рамана-Ната фемтосекундных лазерных импульсов

РУБ Optics
Рубрики:
STRONTIUM BARIUM NIOBATE
   2nd-HARMONIC GENERATION
   PHOTONIC STRUCTURES
   DOMAIN-STRUCTURE
   LITHIUM-NIOBATE
   CRYSTAL
Аннотация: We study the nonlinear Raman–Nath diffraction (NRND) of femtosecond laser pulses in a 1D periodic nonlinear photonic structure. The calculated second-harmonic spectra represent frequency combs for different orders of transverse phase matching. These frequency combs are in close analogy with the well-known spectral Maker fringes observed in single crystals. The spectral intensity of the second harmonic experiences a redshift with a propagation angle, which is opposite the case of Čerenkov nonlinear diffraction. We analyze how NRND is affected by the group-velocity mismatch between fundamental and second-harmonic pulses and by the parameters of the structure. Our experimental results prove the theoretical predictions.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660079, Russia
Ural Fed Univ, Ekaterinburg 620000, Russia
Labfer Ltd, Ekaterinburg 620014, Russia

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Slabko, V. V.; Слабко, Виталий Васильевич; Baturin, I. S.; Akhmatkhanov, A. R.; Shur, V. Y.; Russian Federation [MK-250.2013.2]; Krasnoyarsk Regional Fund for Science and Technical Activity Support; RAS grant [24.31]; Ural Federal University Development Program
}
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Vyunishev, A. M.
Multiple quasi-phase-matching in nonlinear Raman-Nath diffraction / A. M. Vyunishev, A. S. Chirkin // Opt. Lett. - 2015. - Vol. 40, Is. 7. - P. 1314-1317, DOI 10.1364/OL.40.001314. - Cited References:18. - The work was partially supported by the Grant of the President of the Russian Federation MK-2908.2015.2 and by RFBR Grant No. 15-02-03838. . - ISSN 0146. - ISSN 1539-4794. -

РУБ Optics
Рубрики:
Femtosecond laser-pulses
2nd-harmonic generation
Photonic crystal
Аннотация: The method of the superposition of a nonlinearity modulation is employed to design a two-dimensional (2D) nonlinear photonic lattice for efficient multiple quasi-phase-matched second harmonic generation in the process of nonlinear Raman-Nath diffraction (NRND). An analytical solution is proposed to calculate the second harmonic intensity in rectangular 2D lattices. This approach can be useful for the generation of multiple second harmonic beams with the efficiency a few orders of magnitude higher than in the case of nonphase-matched generation via NRND.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660079, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119992, Russia.

Доп.точки доступа:
Chirkin, A. S.; Вьюнышев, Андрей Михайлович; Russian Federation [MK-2908.2015.2]; RFBR [15-02-03838]
}
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Second harmonic generation of femtosecond laser pulses under Raman-Nath nonlinear diffraction / A. M. Vyunishev [et al.] // Bull. Russ. Acad. Sci. Phys. - 2015. - Vol. 79, Is. 2. - P. 190-193, DOI 10.3103/S106287381502032X. - Cited References: 8. - This work was supported by the Grant of the President of the Russian Federation MK-250.2013.2; by RFBR Grant No 15-02-03838; Krasnoyarsk Regional Fund for Science and Technical Activity Support; and by the Russian Academy of Sciences, Project no. 24.31. A.R. Akhmatkhanov is grateful for the support given to young scientists under the Developmental Program of the Ural Federal University. . - ISSN 1062-8738
Кл.слова (ненормированные):
Diffraction -- Harmonic analysis -- Laser pulses -- Nonlinear optics -- Pulse generators -- Ultrafast lasers -- Ultrashort pulses -- Angular characteristics -- Cherenkov -- Lithium niobate -- Nonlinear diffraction -- Periodic domain structures -- Theoretical modeling -- Harmonic generation
Аннотация: The second harmonic generation of femtosecond laser pulses under Raman-Nath nonlinear diffraction in periodic domain structures of lithium niobate is considered. A theoretical model of Cherenkov nonlinear diffraction is used to calculate the spectral-angular characteristics of the second harmonic generation of femtosecond laser pulses under Raman-Nath nonlinear diffraction. Reliability of the results is confirmed by the experimental data. © 2015, Allerton Press, Inc.

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Публикация на русском языке Генерация второй гармоники фемтосекундных лазерных импульсов в условиях нелинейной дифракции Рамана–Ната [Текст] / А. М. Вьюнышев [и др.] // Изв. РАН. Сер. физич. - 2015. - Т. 79 № 2. - С. 213-216

Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of SciencesKrasnoyarsk, Russian Federation
Siberian Federal UniversityKrasnoyarsk, Russian Federation
Ural Federal UniversityEkaterinburg, Russian Federation
OOO LabferEkaterinburg, Russian Federation
ИФ СО РАН

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Sheremet’eva, Y. A.; Nasedkin, B. A.; Baturin, I. S.; Akhmatkhanov, A. R.; Shur, V. Y.
}
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Nonlinear Raman-Nath diffraction of femtosecond laser pulses in a 2D nonlinear photonic crystal / A. M. Vyunishev [et al.] // Opt. Lett. - 2015. - Vol. 40, Is. 17. - P. 4002-4005, DOI 10.1364/OL.40.004002. - Cited References:27. - Council of the President of the Russian Federation (MK-2908.2015.2); Ministry of Education and Science of the Russian Federation (2014/7, UID RFMEFI59414X0011); Russian Foundation for Basic Research (RFBR) (13-02-01391-a, 14-02-01160-a, 15-02-03838). . - ISSN 0146. - ISSN 1539-4794. -

РУБ Optics
Рубрики:
POLED LITHIUM-NIOBATE
2ND-HARMONIC GENERATION
BEAMS
Аннотация: We study second-harmonic generation (SHG) of femtosecond laser pulses in a rectangular two-dimensional nonlinear photonic crystal (NLPC). Multiple SH beams were observed in the vicinity of the propagation direction of the fundamental beam. It has been verified that the angular positions of these beams obey the conditions of nonlinear Raman-Nath diffraction (NRND). The measured SH spectra of specific NRND orders consist of narrow peaks that experience a high-frequency spectral shift as the order grows. We derive an analytical expression for the process studied and find the theoretical results to be in good agreement with the experimental data. We estimate the enhancement factor of nonlinear Raman-Nath diffraction in 2D NLPC to be 70. (C) 2015 Optical Society of America

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660079, Russia.
Ural Fed Univ, Ekaterinburg 620000, Russia.
Labfer Ltd, Ekaterinburg 620014, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119992, Russia.

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Slabko, V. V.; Слабко, Виталий Васильевич; Baturin, I. S.; Akhmatkhanov, A. R.; Shur, V. Ya.; Chirkin, A. S.; Council of the President of the Russian Federation [MK-2908.2015.2]; Ministry of Education and Science of the Russian Federation [2014/7, UID RFMEFI59414X0011]; Russian Foundation for Basic Research (RFBR) [13-02-01391-a, 14-02-01160-a, 15-02-03838]
}
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Vyunishev, A. M.
Theory of second-harmonic generation in a chirped 2D nonlinear optical superlattice under nonlinear Raman-Nath diffraction / A. M. Vyunishev, V. G. Arkhipkin, A. S. Chirkin // J. Opt. Soc. Am. B. - 2015. - Vol. 32, Is. 12. - P. 2411-2416, DOI 10.1364/JOSAB.32.002411. - Cited References:31. - Council of the President of the Russian Federation (MK-2908.2015.2); Russian Foundation for Basic Research (RFBR) (15-02-03838). . - ISSN 0740-3224. - ISSN 1520-8540

РУБ Optics
Рубрики:
FEMTOSECOND LASER-PULSES
   POLED LITHIUM-NIOBATE
   PHOTONIC CRYSTAL
   COMPRESSION
   CONVERSION
Аннотация: We analyze second-harmonic generation (SHG) in a two-dimensional nonlinear optical superlattice (NLOS) with its modulation period being chirped in the propagation direction and constant in the transverse direction. This results in efficient multiple SHG via nonlinear Raman–Nath diffraction. We obtain exact analytical expressions for a SH amplitude generated in chirped 2D NLOSs and for its quasi-phase-matching bandwidth. The results of analytical calculations are in excellent agreement with the numerical ones. We show that the process is robust to angular deviations of NLOS and it can be applied to enable tunable and broadband frequency conversion.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660079, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119992, Russia.

Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Chirkin, A. S.; Вьюнышев, Андрей Михайлович; Council of the President of the Russian Federation [MK-2908.2015.2]; Russian Foundation for Basic Research (RFBR) [15-02-03838]
}
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Multiple nonlinear Bragg diffraction of femtosecond laser pulses in a χ(2) photonic lattice with hexagonal domains / A. M. Vyunishev [et al.] // Laser Phys. Lett. - 2018. - Vol. 15, Is. 4. - Ст. 045401, DOI 10.1088/1612-202X/aaa618. - Cited References:26. - The work was supported by the Russian Foundation for Basic Research through grant 15-02-03838. ISB, ARA and VYS acknowledge the support of the Government of the Russian Federation (Act 211, Agreement 02.A03.21.0006). . - ISSN 1612-2011. - ISSN 1612-202X

РУБ Optics + Physics, Applied
Рубрики:
RAMAN-NATH DIFFRACTION
STRUCTURED FUNDAMENTAL WAVE
2ND-HARMONIC
Кл.слова (ненормированные):
nonlinear Bragg diffraction -- nonlinear photonic lattice -- second harmonic -- generation -- femtosecond pulses
Аннотация: The frequency doubling of femtosecond laser pulses in a two-dimensional (2D) rectangular nonlinear photonic lattice with hexagonal domains is studied experimentally and theoretically. The broad fundamental spectrum enables frequency conversion under nonlinear Bragg diffraction for a series of transverse orders at a fixed longitudinal quasi-phase-matching order. The consistent nonstationary theory of the frequency doubling of femtosecond laser pulses is developed using the representation based on the reciprocal lattice of the structure. The calculated spatial distribution of the second-harmonic spectral intensity agrees well with the experimental data. The condition for multiple nonlinear Bragg diffraction in a 2D nonlinear photonic lattice is offered. The hexagonal shape of the domains contributes to multibeam second harmonic excitation. The maximum conversion efficiency for a series of transverse orders in the range 0.01%-0.03% is obtained.

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Держатели документа:
Kirensky Inst Phys, Fed Res Ctr KSC SB RAS, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
Siberian Fed Univ, Inst Nanotechnol Spect & Quantum Chem, Krasnoyarsk 660079, Russia.
Ural Fed Univ, Sch Nat Sci & Math, Ekaterinburg 620000, Russia.
Labfer Ltd, Ekaterinburg 620014, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Int Laser Ctr, Moscow 119992, Russia.

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Baturin, I. S.; Akhmatkhanov, A. R.; Shur, V. Ya; Chirkin, A. S.; Russian Foundation for Basic Research [15-02-03838]; Government of the Russian Federation (Act 211) [02.A03.21.0006]
}
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10.

Random quasi-phase-matched conversion of broadband radiation in a nonlinear photonic crystal / A. S. Aleksandrovsky [et al.] // Phys. Rev. A. - 2010. - Vol. 82, Is. 5, DOI 10.1103/PhysRevA.82.055806. - Cited Reference Count: 22. - Гранты: The work was supported by the Ministry of Education and Science of the Russian Federation (Contract 16.740.11.0150), Grant of the President of the Russian Federation for the support of leading scientific schools No. SS-4645.2010.2, Grant No. RNP.2.1.1.3455, Projects 2.5.2 and 3.9.1 of PSB RAS, and Projects No. 27.1 and No. 5 of SB RAS. A. M. Vyunishev is grateful for the support from Krasnoyarsk Regional Fund of Science and Technical Activity Support. - Финансирующая организация: Ministry of Education and Science of the Russian Federation [16.740.11.0150]; Russian Federation for the support of leading scientific schools [SS-4645.2010.2, RNP.2.1.1.3455]; PSB RAS [2.5.2, 3.9.1]; SB RAS [27.1, 5]; Krasnoyarsk Regional Fund of Science and Technical Activity . - ISSN 1050-2947
Кл.слова (ненормированные):
Broad spectrum -- Broadband radiation -- Femtosecond laser pulse -- Fundamental wave -- Nonlinear generation -- Nonlinear photonic crystals -- Quasi-phase-matched -- Quasi-phase-matched frequency doubling -- Red shift -- Shorter wavelength -- Tetraborate -- Tuning ranges -- Vacuum ultraviolets -- Band structure -- Crystal structure -- Strontium -- Ultrafast lasers -- Ultrashort pulses -- Photonic crystals
Аннотация: Radiation in the range 187.5-215 nm was generated via random quasi-phase-matched frequency doubling of femtosecond laser pulses in nonlinear photonic crystals of strontium tetraborate. Abroad spectrum of fundamental radiation favors the probing of the nonlinear photonic crystal band structure. The red shift of the band structure upon the fundamental wave-vector rotation was observed. No principal limitations of the tuning range at its shorter wavelength boundary from the nonlinear photonic crystal (NPC) material are found. Calculation shows that the NPC structure enables enhancement of nonlinear generation in the vacuum ultraviolet.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660079, Russia

Доп.точки доступа:
Aleksandrovsky, A.S.; Vyunishev, A.M.; Zaitsev, A.I.; Slabko, V.V.
}
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11.

    Tunable femtosecond frequency doubling in random domain structure of strontium tetraborate / A. S. Aleksandrovsky [et al.] // Opt. Commun. - 2009. - Vol. 282, Is. 11. - P. 2263-2266, DOI 10.1016/j.optcom.2009.02.070. - Cited Reference Count: 16. - Гранты: The work was supported by the RFBR Grant 09-02-00670, Grants of the President of the Russian Federation for the support of leading scientific schools (Nos. SS-1011.2008.2 and SS-3818.2008.3), Grant No. RNP.2.1.1.3455, and the Projects 2.5.2 of PSB RAS, Nos. 5 and 27.1 of SB RAS. - Финансирующая организация: RFBR [09-02-00670]; President of the Russian Federation [SS-1011.2008.2, SS-3818.2008.3]; PSB RAS [2.5.2]; SB RAS [5, 27.1]; [RNP.2.1.1.3455] . - ISSN 0030-4018
Рубрики:
2ND-HARMONIC GENERATION
   HARMONIC-GENERATION
   BARIUM NIOBATE
   CRYSTAL
Кл.слова (ненормированные):
Domain structures -- Femtosecond -- Frequency-doubling -- Harmonic frequencies -- Noncollinear -- Nonlinear photonic crystals -- Photonic structures -- Second harmonics -- Second-harmonic generations -- Spatial spectrum -- Tetraborate -- Harmonic generation -- Photonic crystals -- Strontium -- Harmonic analysis
Аннотация: Efficient tunable femtosecond phase-matched noncollinear second-harmonic generation in randomized nonlinear photonic crystal of strontium tetraborate is obtained. Spatial spectrum of nonlinear photonic structure is not flat but enables tuning of the harmonic frequency in the range from 355 to 460 nm. The narrowing of the bandwidth of second harmonic is found to be of order of 10-20%. (C) 2009 Elsevier B.V. All rights reserved.

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Держатели документа:
RAS, SB, LV Kirensky Phys Inst, Coherent Opt Lab, Krasnoyarsk 600036, Russia
Siberian Fed Univ, Krasnoyarsk 660079, Russia

Доп.точки доступа:
Aleksandrovsky, A.S.; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Zaitsev, A.I.; Zamkov, A. V.; Замков, Анатолий Васильевич; Slabko, V.V.
}
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12.

    Vyunishev, A. M.
    Frequency doubling of femtosecond laser pulses in three dimensional nonlinear photonic crystals / A. M. Vyunishev, V. G. Arkhipkin, A. S. Chirkin // Laser Phys. Lett. - 2023. - Vol. 20, Is. 3. - Ст. 035402, DOI 10.1088/1612-202X/acb7f5. - Cited References: 20. - This work was supported by the Russian Science Foundation (Grant # 19-12-00203). The authors thank N Davletshin for graphical illustration of NPC . - ISSN 1612-2011. - ISSN 1612-202X
   Перевод заглавия: Удвоение частоты фемтосекундных лазерных импульсов в трехмерных нелинейных фотонных кристаллах
Кл.слова (ненормированные):
second harmonic generation -- nonlinear photonic crystals -- femtosecond laser pulses -- nonlinear diffraction
Аннотация: Quasi-phase matched nonlinear frequency conversion in three dimensional nonlinear photonic crystals (NPCs) has been considered for implementation of the second harmonic generation of transform-limited and chirped femtosecond laser pulses. Spatial distribution of the second harmonic intensity is shown to be caused by Cherenkov- and Raman–Nath-type nonlinear diffraction. These types of nonlinear diffraction may occur simultaneously resulting in an efficient multi-order nonlinear diffraction in the Bragg regime, which can be realized by a proper choice of the modulation period of NPC structure in longitudinal direction for considered transverse diffraction order. Three dimensional NPCs open up new possibilities for ultrafast nonlinear photonics and parametric interactions in optics.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Department of Photonics and Laser Technology, Siberian Federal University, Krasnoyarsk 660079, Russia
M.V. Lomonosov Moscow State University, Moscow 660079, Russia

Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Chirkin, A. S.; Чиркин, А. С.; Вьюнышев, Андрей Михайлович
}
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13.

    Intracavity enhancement of GFP fluorescence induced by femtosecond laser pulses / S. A. Vyunisheva, S. A. Myslivets, N. N. Davletshin [et al.] // Spectrochim. Acta A. - 2023. - Vol. 300. - Ст. 122885, DOI 10.1016/j.saa.2023.122885. - Cited References: 23 . - ISSN 1386-1425. - ISSN 1873-3557
   Перевод заглавия: Внутрирезонаторное усиление флуоресценции GFP, индуцированное фемтосекундными лазерными импульсами
Кл.слова (ненормированные):
Fluorescence -- Green fluorescent protein -- Microcavity -- Photonic crystal -- Photonic band gap -- Femtosecond laser pulses
Аннотация: The phenomenon of fluorescence is widely used in molecular biology for studying the interaction of light with biological objects. In this article, we present an experimental investigation of the enhancement of laser-induced fluorescence of Clytia gregaria green fluorescent protein. The laser-induced fluorescence method applied in our work combines the advantages of femtosecond laser pulses and a photonic crystal cavity, with the time dependence of the fluorescence signal studied. It is shown that a green fluorescent protein solution placed in a microcavity and excited by femtosecond laser pulses leads to an increase in fluorescence on the microcavity modes, which can be estimated by two orders of magnitude. The dependences of fluorescence signal saturation on the average integrated optical pump power are demonstrated and analyzed. The results obtained are of interest for the development of potential applications of biophotonics and extension of convenient methods of laser-induced fluorescence.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50, Bldg. 38, Krasnoyarsk, 660036, Russia
Sukachev Institute of Forest, Federal Research Center KSC SB RAS, Akademgorodok 50, Bldg. 28, Krasnoyarsk, 660036, Russia
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Academician Kirensky Str. 26, Krasnoyarsk, 660074, Russia
Institute of Biophysics, Federal Research Center KSC SB RAS, Akademgorodok 50, Bldg. 50, Krasnoyarsk, 660036, Russia
Department of Chemical Technology of Wood and Biotechnology, Reshetnev Siberian State University of Science and Technology, Mira Ave. 82, Krasnoyarsk, 660049, Russia

Доп.точки доступа:
Vyunisheva, S. A.; Вьюнышева Софья Александровна; Myslivets, S. A.; Мысливец, Сергей Александрович; Davletshin, Nikolay N.; Давлетшин, Николай Николаевич; Eremeeva, Elena V.; Vysotski, Eugene S.; Pavlov, Igor N.; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович
}
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14.

    Способ усиления флуоресценции GFP в микрорезонаторе Фабри-Перо под действием фемтосекундных лазерных импульсов / С. А. Вьюнышева, С. А. Мысливец, Н. Н. Давлетшин [и др.] // HOLOEXPO 2023: 20-я Mеждународная конференция по голографии и оптическим технологиям : тезисы докладов. - СПб. : Изд-во СПбГЭТУ «ЛЭТИ», 2023. - С. 110-112. - Библиогр.: 3 . - ISBN 978-5-7629-3209-7
   Перевод заглавия: Method for enhancing GFP ˄uorescence in Fabry-Perot microcavity under femtosecond laser pulses
Аннотация: Приведены результаты экспериментального исследования усиления лазерно- индуцированной флуоресценции cgreGFPв микрорезонаторе Фабри-Перо под действием фемтосекундных лазерных импульсов. Показано, что возбуждение белкового раствора фемтосекундным излучением приводит к усилению флуоресцентного сигнала на два порядка на спектральных частотах, соответствующих модам резонатора. Техники лазерно- индуцированной флуоресценции могут привести к разработке новых методов высококонтрастной микроскопии и получения гиперспектральных изображений в биомедицинских приложениях.
The results of an experimental study of the enhancement of laser-induced cgreGFP fluorescence in Fabry-Perot microcavity under femtosecond laser pulses are presented. The excitation of a protein solution by femtosecond radiation is shown to lead to an increase in the fluorescent signal by two orders of magnitude at spectral frequencies corresponding to the cavity modes. Laser-induced fluorescence techniques are likely to result in the development of new methods for high-contrast microscopy and hyperspectral imaging in biomedical applications.

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Держатели документа:
Институт физики им Л. В. Киренского СО РАН
Сибирский федеральный университет
Институт биофизики СО РАН
Институт леса им. В.Н. Сукачева СО РАН

Доп.точки доступа:
Вьюнышева, Софья Александровна; Мысливец, Сергей Александрович; Myslivets, S. A.; Давлетшин, Николай Николаевич; Еремеева, Е. В.; Eremeeva, E. V.; Высоцкий, Евгений Степанович; Vysotski, E. S.; Павлов, И. Н.; Вьюнышев, Андрей Михайлович; Vyunishev, A. M.; Mеждународная конференция по голографии и оптическим технологиям(20 ; 2023 ; 12-15 сент. ; Сочи)
}
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