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Showing 13 to 22 of 22 entries
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Quantum dot semiconductor disk laser at 1.3  μm.

Optics letters

Rantamäki A, Sokolovskii GS, Blokhin SA, Dudelev VV, Soboleva KK, Bobrov MA, Kuzmenkov AG, Vasil'ev AP, Gladyshev AG, Maleev NA, Ustinov VM, Okhotnikov O.
PMID: 26176479
Opt Lett. 2015 Jul 15;40(14):3400-3. doi: 10.1364/OL.40.003400.

We present a semiconductor disk laser (SDL) emitting at the wavelength of 1.3 μm. The active region of the SDL comprises InAs quantum dots (QDs) that are embedded into InGaAs quantum wells (QWs). An output power over 200 mW...

Multi-terawatt picoseconds 10-μm СО2 laser system: design and parameters' control.

Optics express

Bravy BG, Chernyshev YA, Gordienko VM, Makarov EF, Panchenko VY, Platonenko VT, Vasil'ev GK.
PMID: 23187371
Opt Express. 2012 Nov 05;20(23):25536-44. doi: 10.1364/OE.20.025536.

The basic principles for design of an advanced multi-terawatt СО(2) laser system are considered. The key amplifiers' parameters were evaluated by numerical modeling. The potential advantage of using pulsed chemical DF-СО(2) laser as a final amplifier over an electro-ionization...

Improved epsilon expansion for three-dimensional turbulence: summation of nearest dimensional singularities.

Physical review. E, Statistical, nonlinear, and soft matter physics

Adzhemyan LTs, Honkonen J, Kompaniets MV, Vasil'ev AN.
PMID: 14682836
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Nov;68(5):055302. doi: 10.1103/PhysRevE.68.055302. Epub 2003 Nov 18.

An improved epsilon expansion in the d-dimensional (d>2) stochastic theory of turbulence is constructed by taking into account pole singularities at d-->2 in coefficients of the epsilon expansion of universal quantities. Effectiveness of the method is illustrated by a...

[Necessity for coordination of medicine and veterinary medicine in public health].

Gigiena i sanitariia

VASIL'EV AV.
PMID: 14879971
Gig Sanit. 1951 Oct;10:43-4.

No abstract available.

[Current status and prospects for improvements in antituberculosis services in the autonomous okrugs of the Far North].

Problemy tuberkuleza

Vasil'ev AV.
PMID: 6866966
Probl Tuberk. 1983 Apr;(4):3-6.

No abstract available.

Quantum-dot-based saturable absorber for femtosecond mode-locked operation of a solid-state laser.

Optics letters

McWilliam A, Lagatsky AA, Brown CT, Sibbett W, Zhukov AE, Ustinov VM, Vasil'ev AP, Rafailov EU.
PMID: 16642133
Opt Lett. 2006 May 15;31(10):1444-6. doi: 10.1364/ol.31.001444.

A quantum-dot-based saturable absorber has been demonstrated to initiate the generation of femtosecond pulses from a passively mode-locked solid-state laser. Control and tuning of the pulse duration from 58 ps to 158 fs was achieved. The 158 fs transform-limited...

Two types of PS II centres as manifested by light saturation of delayed fluorescence from DCMU-treated chloroplasts.

Photosynthesis research

Vasil'ev IR, Komarov AI, Matorin DN, Verkhoturov VN, Venediktov PS.
PMID: 24420462
Photosynth Res. 1990 Nov;26(2):101-7. doi: 10.1007/BF00047081.

Intensity of 2 s delayed fluorescence (DF) as a function of steady-state actinic light intensity was investigated in pea chloroplasts in the presence of 10 μM DCMU. The light saturation curve of DF was approximated by a sum of...

Effect of quenching processes on the decay of fast luminescence from barium fluoride excited by VUV synchrotron radiation.

Physical review. B, Condensed matter

Kamada M, Kubota S, Nakamura E, Terekhin MA, Vasil'ev AN.
PMID: 9981427
Phys Rev B Condens Matter. 1995 Aug 01;52(5):3117-3121. doi: 10.1103/physrevb.52.3117.

No abstract available.

Cation influence on exciton localization in homologue scheelites.

Journal of physics. Condensed matter : an Institute of Physics journal

Laasner R, Nagirnyi V, Vielhauer S, Kirm M, Spassky D, Sirutkaitis V, Grigonis R, Vasil'ev AN.
PMID: 26354042
J Phys Condens Matter. 2015 Sep 30;27(38):385501. doi: 10.1088/0953-8984/27/38/385501. Epub 2015 Sep 10.

Homologue scheelite crystals CaWO4, SrWO4, and BaWO4 possess similar crystal and electronic structure, but their luminescence exhibits drastically different thermal stabilities. By measuring the temperature dependence of the decay time of the intrinsic luminescence and fitting it to a...

STED properties of Ce3+, Tb3+, and Eu3+ doped inorganic scintillators.

Optics express

Alekhin MS, Renger J, Kasperczyk M, Douissard PA, Martin T, Zorenko Y, Vasil'ev DA, Stiefel M, Novotny L, Stampanoni M.
PMID: 28158009
Opt Express. 2017 Jan 23;25(2):1251-1261. doi: 10.1364/OE.25.001251.

Scintillator-based X-ray imaging is a powerful technique for noninvasive real-space microscopic structural investigation such as synchrotron-based computed tomography. The resolution of an optical image formed by scintillation emission is fundamentally diffraction limited. To overcome this limit, stimulated scintillation emission...

Showing 13 to 22 of 22 entries