Laboratory for precious optical methods of measurements

Address: Lab. 21, 5 Radio st., Institute for Automation and Control Processes, Vladivostok, 690041, Russia

Tel: +7-4232-310911

Field of research

• Development of the physical principles of monitoring of distributions and dynamics behavior of stressed solids
• Development of the distributed fiber-optic measuring systems
• Information processing by neural networks

Our laboratory works out the distributed fiber-optic measuring systems for monitoring of the physical field distributions. This system consists of the set of integrating fiber-optical measuring lines. Relations between characteristic space frequencies of both the measuring network and the function of the investigated physical field distribution which determine a quality of the reconstruction has been found.

We experimentally and theoretically study adaptive processing of non-stationary speckled waves by a dynamic reflection holographic grating formed in photorefractive crystals. This effect is proposed for adaptive processing of optical signals derived from single-fiber multi-mode interferometers.

Tomographic methods of reconstruction of the distributions of both scalar and vector physical fields from incomplete data obtained by the distributed fiber-optic measuring system are developed. Neural network algorithms for the tomographic reconstruction of the data of the distributed fiber-optical measuring networks are elaborated. The methods of optimization the the artificial neural networks training process were proposed and studied. Both physical principles and architecture of multilayer optical neural network construction based on the both holographic and waveguide elements and measuring lines with phase sensitivity to parameters of both vector and scalar physical fields are developed.

Staff

• Yury N. Kulchin, the Head of the Lab, Corresponding Member of Russian Academy of Sciences, Professor, Doctor of Sciences (Physics & Mathematics), e–mail: kulchin @ festu.ru
• Andrey V. Panov, the Senior Researcher, Candidate of Sciences (Physics & Mathematics)
• Oleg T. Kamenev, the Senior Researcher, Doctor of Sciences (Physics & Mathematics), e–mail: okamenev @ mail . ru
• Roman R. Romashko, the Senior Researcher, Candidate of Sciences (Physics & Mathematics), e–mail: romar @  delphin . marine . su
• Evgeny L. Gamayunov, the Senior Researcher, Candidate of Sciences (Technical)
• Yury S. Petrov, the Junior Researcher
• Alexandr V. Shcherbakov, the Junior Researcher

Our photo

From left to right in upper row:
A. Yu. Kim
A. V. Panov
O. V. Kirichenko
R. V. Romashko
I. V. Denisov
Yu. S. Petrov

In bottom row:
O. B. Vitrik
Yu. N. Kulchin
O. T. Kamenev
E. N. Piskunov
E. V. Denisova