38 research outputs found
High-visibility multi-photon interference of Hanbury Brown - Twiss type for classical light
Difference-phase (or Hanbury Brown - Twiss type) intensity interference of
classical light is considered in higher orders in the intensity. It is shown
that, while the visibility of sum-phase (NOON-type) interference for classical
sources drops with the order of interference, the visibility of
difference-phase interference has opposite behavior. For three-photon and
four-photon interference of two coherent sources, the visibility can be as high
as 81.8% and 94.4%, respectively. High-visibility three-photon and four-photon
interference of space-time and polarization types has been observed in
experiment, for both coherent and pseudo-thermal light.Comment: 11 pages, 9 figure
Super-bunched bright squeezed vacuum state
In this paper we experimentally study the statistical properties of a bright
squeezed vacuum state containing up to 10^13 photons per mode (10 uJ per
pulse), produced via high gain parametric down conversion (PDC). The effects of
bunching and superbunching of photons were observed for a single mode PDC
radiation by second-order intensity correlation function measurements with
analog detectors.Comment: 4 pages, 3 figures, submitted to Optics Letter
Nonlinear interferometer for tailoring the frequency spectrum of bright squeezed vacuum
We propose a method for tailoring the frequency spectrum of bright squeezed
vacuum by generating it in a nonlinear interferometer, consisting of two
down-converting nonlinear crystals separated by a dispersive medium. Due to a
faster dispersive spreading of higher-order Schmidt modes, the spectral width
of the radiation at the output is reduced as the length of the dispersive
medium is increased. Preliminary results show 30\% spectral narrowing.Comment: 9 pages, 6 figure
Raman-free, noble-gas-filled PCF source for ultrafast, very bright twin-beam squeezed vacuum
We report a novel source of twin beams based on modulational instability in
high-pressure argon-filled hollow-core kagom\'e-style photonic-crystal fibre.
The source is Raman-free and manifests strong photon-number correlations for
femtosecond pulses of squeezed vacuum with a record brightness of ~2500 photons
per mode. The ultra-broadband (~50 THz) twin beams are frequency tunable and
contain one spatial and less than 5 frequency modes
Measurement of two-mode squeezing with photon number resolving multi-pixel detectors
The measurement of the two-mode squeezed vacuum generated in an optical
parametric amplifier (OPA) was performed with photon number resolving
Multi-Pixel Photon Counters (MPPCs). Implementation of the MPPCs allows for the
observation of noise reduction in a broad dynamic range of the OPA gain, which
is inaccessible with standard single photon avalanche photodetectors.Comment: Accepted for Optics Letter
ΠΠ»ΡΠ½ΡΡΠ½ΠΈΠΉ Π²ΠΈΠΏΠ°Π΄ΠΎΠΊ Π΅Π½Π΄ΠΎΠ²Π°ΡΠΊΡΠ»ΡΡΠ½ΠΎΠ³ΠΎ Π»ΡΠΊΡΠ²Π°Π½Π½Ρ Ρ ΡΠΎΠ½ΡΡΠ½ΠΎΡ Π°ΡΡΠ΅ΡΡΠ°Π»ΡΠ½ΠΎΡ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠ½ΠΎΡΡΡ Π³ΠΎΠ»ΠΎΠ²Π½ΠΎΠ³ΠΎ ΠΌΠΎΠ·ΠΊΡ Ρ ΠΏΠ°ΡΡΡΠ½ΡΡΠ² Π· ΠΊΡΠΈΡΠΈΡΠ½ΠΎΡ ΡΡΠ΅ΠΌΡΡΡ Π½ΠΈΠΆΠ½ΡΡ ΠΊΡΠ½ΡΡΠ²ΠΎΠΊ
The article describes the case of one-stage stenting of the internalΒ carotid artery and balloon angioplasty of the tibial arteries in a patient withΒ multifocal atherosclerosis.Π ΡΡΠ°ΡΡΠ΅ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡΡΡ ΠΎΠΏΠΈΡΠ°Π½ΠΈΠ΅ ΡΠ»ΡΡΠ°Ρ ΠΎΠ΄Π½ΠΎΠΌΠΎΠΌΠ΅Π½ΡΠ½ΠΎΠ³ΠΎ ΡΡΠ΅Π½ΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π²Π½ΡΡΡΠ΅Π½Π½Π΅ΠΉ ΡΠΎΠ½Π½ΠΎΠΉ Π°ΡΡΠ΅ΡΠΈΠΈ ΠΈ Π±Π°Π»Π»ΠΎΠ½Π½ΠΎΠΉ Π°Π½Π³ΠΈΠΎΠΏΠ»Π°ΡΡΠΈΠΊΠΈΒ Π±Π΅ΡΡΠΎΠ²ΡΡ
Π°ΡΡΠ΅ΡΠΈΠΉ Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ° Ρ ΠΌΡΠ»ΡΡΠΈΡΠΎΠΊΠ°Π»ΡΠ½ΡΠΌ Π°ΡΠ΅ΡΠΎΡΠΊΠ»Π΅ΡΠΎΠ·ΠΎΠΌ.Π£ ΡΡΠ°ΡΡΡ Π½Π°Π²Π΅Π΄Π΅Π½ΠΎ ΠΎΠΏΠΈΡ Π²ΠΈΠΏΠ°Π΄ΠΊΡ ΠΎΠ΄Π½ΠΎΠΌΠΎΠΌΠ΅Π½ΡΠ½ΠΎΠ³ΠΎ ΡΡΠ΅Π½ΡΡΠ²Π°Π½Π½Ρ Π²Π½ΡΡΡΡΡΠ½ΡΠΎΡ ΡΠΎΠ½Π½ΠΎΡ Π°ΡΡΠ΅ΡΡΡ ΡΠ° Π±Π°Π»ΠΎΠ½Π½ΠΎΡ Π°Π½Π³ΡΠΎΠΏΠ»Π°ΡΡΠΈΠΊΠΈ Π³ΠΎΠΌΡΠ»ΠΊΠΎΠ²ΠΈΡ
Β Π°ΡΡΠ΅ΡΡΠΉ Ρ ΠΏΠ°ΡΡΡΠ½ΡΠ° Π· ΠΌΡΠ»ΡΡΠΈΡΠΎΠΊΠ°Π»ΡΠ½ΠΈΠΌ Π°ΡΠ΅ΡΠΎΡΠΊΠ»Π΅ΡΠΎΠ·ΠΎΠΌ
ΠΠΏΠ»ΠΈΠ² L-ΠΊΠ°ΡΠ½ΡΡΠΈΠ½Ρ Π½Π° ΠΏΠΎΠΊΠ°Π·Π½ΠΈΠΊΠΈ Π΅Π½Π΄ΠΎΡΠ΅Π»ΡΠ°Π»ΡΠ½ΠΎΡ Π΄ΠΈΡΡΡΠ½ΠΊΡΡΡ Ρ ΡΠ°ΠΊΡΠΎΡΠΈ Π·Π°ΠΏΠ°Π»Π΅Π½Π½Ρ Π² ΠΏΠ°ΡΡΡΠ½ΡΡΠ² ΡΠ· Π³ΠΎΡΡΡΠΈΠΌ ΡΠ½ΡΠ°ΡΠΊΡΠΎΠΌ ΠΌΡΠΎΠΊΠ°ΡΠ΄Π° Π±Π΅Π· Π·ΡΠ±ΡΡ Q
Aim: To evaluate the influence of L-carnitine on inflammatory markers and indicators of endothelial function in patientsΒ with acute myocardial infarction without the Q wave.Materials and Methods: 40 patients with verified diagnosis of AMI without Q-wave. All the patients were matchedΒ by sex, age, weight and duration of the underlying disease. The patients were randomized into 2 groups. The first group ofpatients were on a standard basic therapy and additionally administered L- carnitine at a dose 5g/day, II- group consisted ofΒ patients who did not receive drugs with metabolic action. In dynamics (on the 1st and 10th day of the treatment) the parametersΒ of endothelium vasodilation and markers of inflammation were evaluated.Results: On the background of the basic therapy in both groups an improvement in endothelial function resulting in an increase of brachial artery diameter was observed. However, the L- carnitine vasodilator effect was more pronounced and persistent as compared to group II. In the dynamics, CRP levels and plasma fibrinogen were more pronounced in the Ist group.Π‘ ΡΠ΅Π»ΡΡ ΠΎΡΠ΅Π½ΠΊΠΈ Π²Π»ΠΈΡΠ½ΠΈΡ L-ΠΊΠ°ΡΠ½ΠΈΡΠΈΠ½Π° Π½Π°Β ΠΌΠ°ΡΠΊΠ΅ΡΡ Π²ΠΎΡΠΏΠ°Π»Π΅Π½ΠΈΡ ΠΈ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΠΈ ΡΠ½Π΄ΠΎΡΠ΅Π»ΠΈΠ°Π»ΡΠ½ΠΎΠΉ ΡΡΠ½ΠΊΡΠΈΠΈ Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ ΠΎΡΡΡΡΠΌ ΠΈΠ½ΡΠ°ΡΠΊΡΠΎΠΌΒ ΠΌΠΈΠΎΠΊΠ°ΡΠ΄Π°(ΠΠΠ) Π±Π΅Π· Π·ΡΠ±ΡΠ° Q ΠΎΠ±ΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΎ 40 ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΡΡΠΈΠΌ Π΄ΠΈΠ°Π³Π½ΠΎΠ·ΠΎΠΌ. ΠΡΡΠ²Π»Π΅Π½ Π±ΠΎΠ»Π΅Π΅ Π²ΡΡΠ°ΠΆΠ΅Π½Π½ΡΠΉ Π²Π°Π·ΠΎΠ΄ΠΈΠ»Π°ΡΠΈΡΡΡΡΠΈΠΉ ΡΡΡΠ΅ΠΊΡ Π² Π³ΡΡΠΏΠΏΠ΅ L-ΠΊΠ°ΡΠ½ΠΈΡΠΈΠ½Π° Ρ ΠΏΠ°ΡΠ°Π»Π»Π΅Π»ΡΠ½ΡΠΌ ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΠ΅ΠΌ ΡΡΠΎΠ²Π½Ρ ΠΌΠ°ΡΠΊΠ΅ΡΠΎΠ² ΡΠΈΡΡΠ΅ΠΌΠ½ΠΎΠ³ΠΎ Π²ΠΎΡΠΏΠ°Π»Π΅Π½ΠΈΡ.Β Π ΠΌΠ΅ΡΠΎΡ ΠΎΡΡΠ½ΠΊΠΈ Π²ΠΏΠ»ΠΈΠ²Ρ L-ΠΊΠ°ΡΠ½ΡΡΠΈΠ½Ρ Π½Π° ΠΌΠ°ΡΠΊΠ΅ΡΠΈ Π·Π°ΠΏΠ°Π»Π΅Π½Π½Ρ ΡΠ° ΠΏΠΎΠΊΠ°Π·Π½ΠΈΠΊΠΈ Π΅Π½Π΄ΠΎΡΠ΅Π»ΡΠ°Π»ΡΠ½ΠΎΡ ΡΡΠ½ΠΊΡΡΡ Π² ΠΏΠ°ΡΡΡΠ½ΡΡΠ² ΡΠ· Π³ΠΎΡΡΡΠΈΠΌ ΡΠ½ΡΠ°ΡΠΊΡΠΎΠΌ ΠΌΡΠΎΠΊΠ°ΡΠ΄Π°(ΠΠΠ) Π±Π΅Π· Π·ΡΠ±ΡΡ Q ΠΎΠ±ΡΡΠ΅ΠΆΠ΅Π½ΠΎ 40 ΠΏΠ°ΡΡΡΠ½ΡΡΠ² Π· Π²ΡΠ΄ΠΏΠΎΠ²ΡΠ΄Π½ΠΈΠΌ Π΄ΡΠ°Π³Π½ΠΎΠ·ΠΎΠΌ. ΠΠΈΡΠ²Π»Π΅Π½ΠΈΠΉ Π±ΡΠ»ΡΡ Π²ΠΈΡΠ°ΠΆΠ΅Π½ΠΈΠΉ Π²Π°Π·ΠΎΠ΄ΠΈΠ»Π°ΡΡΡΡΠΈΠΉ Π΅ΡΠ΅ΠΊΡ Ρ Π³ΡΡΠΏΡ L-ΠΊΠ°ΡΠ½ΡΡΠΈΠ½Ρ Π· ΠΏΠ°ΡΠ°Π»Π΅Π»ΡΠ½ΠΈΠΌ Π·Π½ΠΈΠΆΠ΅Π½Π½ΡΠΌ ΡΡΠ²Π½Ρ ΠΌΠ°ΡΠΊΠ΅ΡΡΠ² ΡΠΈΡΡΠ΅ΠΌΠ½ΠΎΠ³ΠΎ Π·Π°ΠΏΠ°Π»Π΅Π½Π½Ρ
Symbiosis of chemotherapy and aggressive cancer surgery in improving the results of treatment for locally advanced cancer of the cervix uteri
By arming gynecologic oncology with current chemotherapy regimens and aggressive cancer surgery elements, we can have larger numbersΒ of cured patients with locally advanced cancer of the cervix uteri, by improving the early and late results of treatment