ИАПУ ДВО РАН

Laboratory of laser methods of substance research


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Laboratory of laser methods of substantial researches

 

Head of lab Dr. Sc. A.N. Pavlov.


Laboratory staff

Total employeуs – 10, 

Scientific staff – 7,

Doctors of Sciences – 2, 

Ph.Ds – 6. 

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Main directions of scientific research

 

  • Study of the processes of interaction of powerful laser radiation with matter and biological fluids.

  • Investigation of dynamic processes in the ocean and atmosphere by laser methods. Study of the processes of aerosols transboundary transport in the atmosphere.

  • Investigation of laser breakdown and filamentation of femtosecond laser pulses in order to develop new methods for express analysis of the chemical composition of gaseous, liquid and solid samples using laser spectroscopy.

  • Development of remote sensing methods and devices for monitoring environmental pollution.

  • Investigation of linear and nonlinear optical properties of new photoactive composite materials.

 

Main results

 

  • A methodology and a shipboard hardware system have been developed for carrying out sub-satellite measurements of the bio-optical characteristics of the upper layer of the ocean.

  • The characteristic layered structure of the ozone layer in the atmosphere of Primorye was discovered and described.

  • The properties and main regularities of variations in atmospheric aerosol and ozone in Primorye and in the sea areas of the northwestern part of the Pacific Ocean and the eastern sector of the Arctic have been established.

  • The characteristics of the time evolution of optical breakdown plasma are obtained for focusing gigawatt femtosecond laser pulses in the atmosphere and on the surface of aqueous solutions. Methods for increasing the sensitivity of the femtosecond laser spark spectroscopy method for the analysis of aqueous samples have been developed.

  • Laser-induced boiling and the associated foaming of biological fluids (aqueous solutions of surfactants, proteins and containing a dispersed phase) have been investigated. It has been shown that, in addition to boiling, the blood under the action of laser heating instantly foams, which leads to occlusion (closure) of the vein and the cessation of bleeding - hemostasis.

  • The features of modification of a new photoactive material based on PMMA of doped 2,2-Difluoro-4- (9-anthracil) -6-methyl-1,3,2-dioxaborine have been investigated. Achieved volumetric modification of the material in the filamentation mode without generating a supercontinuum, with the possibility of its ordering due to preliminary photomodification of the near-surface layer of the material.



Publications

  1. A.A. Ilyin, S.S. Golik, K.A. Shmirko, A.Yu. Mayor, D.Yu. Proschenko, Anomalous broadening and shift of emission lines in a femtosecond laser plasma filament in air // Spectrochimica Acta Part B: Atomic Spectroscopy, 138, 2017, pp 97-105,

  2. K. Shmirko, A. Pavlov, E. Zubko, Coating effect on light scattering by irregularly shaped particles // JQSRT, 215, 2018, pp. 71-76,

  3. A. Pavlov, E. Zubko, O. Konstantinov, K. Shmirko, A. Mayor, G. Videen, Vertical profile of polarization over Vladivostok using horizon shadowing: Clues to understanding the altitude variation of reflectance of aerosol particles // JQSRT, 204,2018, pp. 94-102,

  4. Chudnovskii, Vladimir; Mayor, Aleksandr; Kiselev, Artem; Yusupov, Vladimir Foaming of blood in endovenous laser treatment // Lasers in Medical Science (2018) 33:1821–1826 Published: 2018-May-28  DOI: 10.1007/s10103-018-2552-3

  5. Kulchin,Yu N et al. Modification of a new polymer photorecording material based on PMMA doped with 2,2-difluoro-4-(9-antracyl)-6-methyl-1,3,2-dioxaborine by ultrashort pulses // Quantum Electronics(2015),45(5):477