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Article
Wide-aperture plasma-electrode pockels cell
The results of experimental investigations of wide-aperture (100 × 100 mm) plasma-electrode Pockels are presented. Time characteristics, contrast, transmission factor, and optical uniformity of the cell are me...
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Article
Preparation of antireflection coatings from silicon dioxide on glass and quartz by the sol-gel method with oligoethers
Antireflection coatings with a low refractive index (1.18–1.23) have been prepared on silicate glass and optical quartz from mesoporous silicon dioxide synthesized by the sol-gel method in the presence of olig...
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Article
Modified sol-gel method for synthesis of mesoporous silicon dioxide and study of the optical properties of antireflection coatings based on this material
The kinetics of sedimentation of aqueous kaolin dispersion in the presence of multicomponent fl occulating additives was studied. Binary and ternary mixtures based on poly-1,2-dimethyl-5-vinylpyridinium methyl...
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Article
Poly(propylene glycols) as effective additives to the sol-gel process in fabrication of antireflection coatings onto silica glass
Possibility of obtaining mesoporous silicon dioxide antireflection coatings with low refractive index (1.20–1.277) by using additions of poly(propylene glycols) with various molecular masses in a sol-gel proce...
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Article
To the problem of self-assembly of mixtures of inorganic and organic phases under the sol-gel process conditions
Under the sol-gel process conditions in the presence of citric, maleic, and phthalic acids and dioctyl phthalate spontaneous microseparation of inorganic and organic phases with the formation of transparent in...
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Article
Fluorine-containing polysiloxane coatings for lithium iodate crystals
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Article
Shock-wave generation upon axicon focusing of femtosecond laser radiation in transparent dielectrics
It is shown experimentally that the axicon focusing of intense femtosecond laser pulses in transparent dielectrics leads to efficient excitation of shock waves. A method is developed for measuring the dynamics...
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Article
Retrieving the Amplitude and Phase Parameters of an Ultrashort Wave Packet by Autocorrelation Methods
Based on an analysis of the signal of an interferometric intensity autocorrelator, we demonstrate theoretically and experimentally a simple technique for retrieving the temporal distributions of the amplitude ...
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Article
Ionization spectrum transformation and compression of powerful femtosecond laser pulses in experiments on the propagation in gas-filled dielectric capillaries
The propagation of an intense (I≤106 W/cm2) femtosecond laser radiation with a duration of ∼100 fs through gas-filled dielectric capillaries was studied. The radiation with a power up to 0.2 TW propagates along t...
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Article
Ionization spectrum broadening and frequency blue-shift of high-intensity femtosecond laser pulses in gas-filled capillary tubes
. We report on the experimental and theoretical study of spectrum transformation and frequency blue-shift of femtosecond laser pulses with intensities up to 2×1016 W/cm2, propagating in glass capillary tubes unde...
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Article
Interaction of superstrong laser fields with matter: Hypotheses, effects, and applications
A review of research results in physics of superstrong laser fields is given. It includes an analysis of the nonlinear atom response in superstrong optical fields and a discussion of the properties of a femtos.....
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Article
Cadmium ion excitation in an expanding He-Cd plasma
Space-time characteristics of radiation, temperature, and electron concentration are studied for segmented excitation and subsequent recombination in an expanding He-Cd plasma. It is shown that recombination p...
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Article
Amplification and oscillation processes in the case of induced scattering by polaritons and parametric interaction of the departing and pump-associated waves
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Article
Energy characteristics of a parametric oscillator with synchronous two-stage interaction
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Article
Energy characteristics of single-resonator optical parametric oscillators with strong absorption of a nonresonant wave