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Featured researches published by A. N. Kirkin.


Soviet Journal of Quantum Electronics | 1979

X-ray emission spectrum of a magnesium plasma heated by picosecond ruby laser pulses

A. N. Kirkin; Aleksandr M Leontovich; A M Mozharovskiĭ; Evgenii N Ragozin

An investigation was made of the x-ray emission spectrum of a magnesium plasma heated by ruby laser pulses of 10–20 psec duration and 1014 W/cm2 power density on the target surface. The relative intensities of the spectral lines were used to determine the electron temperature (200 eV), density [(1–1.15) × 1020 cm–3], and ionization state ([Li]/[He] ≈ 1) of the luminous part of the plasma. The relative intensities of the resonance lines of the H- and He-like ions yielded an estimate of the electron temperature in the vicinity of the critical point (Tcr550–700 keV).


Soviet Journal of Quantum Electronics | 1978

Generation of high power ultrashort pulses in a low-temperature ruby laser with a small active volume

A. N. Kirkin; Aleksandr M Leontovich; A M Mozharovskiĭ


Soviet Journal of Quantum Electronics | 1986

Reduction in the duration of small-area pulses during coherent propagation across an absorber

O P Varnavskiĭ; V V Golovlev; A. N. Kirkin; A M Mozharovskiĭ; N V Sidoruk


Izvestiya Akademii Nauk Seriya Fizicheskaya | 1986

Regimes of coherent amplification in activated crystals

O. P. Varnavskii; V. V. Golovlev; A. N. Kirkin; Aleksandr M. Leontovich; R. F. Malikov


Soviet Journal of Quantum Electronics | 1985

Diagnostics of a laser plasma in the optical and x-ray ranges by a linear image converter

V. V. Blazhenkov; O P Varnavskiĭ; A. N. Kirkin; Aleksandr M Leontovich; V V Lidskiĭ; R G Mirzoyan; A M Mozharovskiĭ


Archive | 1985

Laser plasma diagnostics in the optical and X-ray bands using a linear CCD image receiver

V. V. Blazhenkov; O. P. Varnavskii; A. N. Kirkin; Aleksandr M. Leontovich; V. V. Lidskii


Jetp Letters | 1985

Change in the shape of a weak, ultrashort light pulse passing through a medium with a population inversion and a slow phase relaxation

O. P. Varnavskii; V. V. Golovlev; A. N. Kirkin; A. M. Mozharovskii


Archive | 1984

Automation of optical and X-ray measurements in experiments with a pulsed laser

V. V. Blazhenkov; A. N. Kirkin; Aleksandr M. Leontovich; V. V. Lidskii; G. I. Merzon


Archive | 1984

Generation and amplification of ultrashort pulses in active media at low temperatures

V. V. Blazhenkov; O. P. Varnavskii; A. N. Kirkin; Aleksandr M. Leontovich; A. M. Mozharovskii


Archive | 1984

A study of a plasma excited by ultrashort light pulses

V. V. Blazhenkov; A. N. Kirkin; Aleksandr M. Leontovich; A. M. Mozharovskii

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Evgenii N Ragozin

Lebedev Physical Institute

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