Category Archives: Статья

2020, vol 50, number 2

Laser biophotonics Experimental and theoretical description of the process of contact laser surgery with a titanium-doped optothermal fibre converter A. V. Belikov, A. V. Skrypnik 95–103 Heating of aqueous suspensions of silicon nanoparticles by a 808-nm diode laser for application in local photohyperthermia V. A. Oleshchenko, V. V. Bezotosnyi, V. Yu. Timoshenko 104–108 Effect of… Read More »

2020, vol 50, number 1

Topical issues of biophotonics Topical problems of biophotonics A. V. Priezzhev, A. E. Lugovtsov, M. Yu. Kirillin, V. V. Tuchin 1 High-resolution deep view microscopy of cells and tissues H. Schneckenburger, V. Richter, M. Gelleri, S. Ritz, R. Vaz Pandolfo, F. Schock, v. J. Hase, U. Birk, C. Cremer 2–8 Utilisation of spatial derivative measurements… Read More »

Diagnostics of first samples of chirped volume Bragg gratings inscribed using femtosecond laser pulses

A. I. Gorokhov, E. A. Perevezentsev, I. B. Mukhin, M. R. Volkov, Institute of Applied Physics, Russian Academy of Sciences, 603950, Nizhny Novgorod, Russia Abstract: We report a developed methodology for studying the main parameters and identifying the features of chirped volume Bragg gratings (CVBGs). The results of diagnostics of the first fused silica CVBG… Read More »

Prediction of the lock-in threshold and nonlinear distortions of the scale factor of a laser gyroscope at the stage of assembly of a ring resonator

E. A. Petrukhin, A. S. Bessonov JSC Serpukhov Plant Metallist, 142200, Serpukhov, Moscow oblast, Russia Russian Technological University MIREA, 119454, Moscow, Russia Abstract: We report a method for measuring complex coupling coefficients in a ring resonator of a laser gyroscope. It is shown how, using the results of the measurements, to predict the values of… Read More »

Yb:YAG slab laser amplifier

D. A. Kuzin, A. V. Starobor, I. I. Kuznetsov, O. V. Palashov Federal Research Center Gaponov-Grekhov Institute of Applied Physics, Russian Academy of Sciences, 603950, Nizhny Novgorod, Russia Abstract: A laser amplifier based on an active element in the shape of a Yb:YAG slab is developed. It combines the propagation of an amplified elliptical beam… Read More »

Analysis of a device based on a multicore fiber with tapering cores for radiation summation in multichannel laser systems

Kh. Kh. Kumykov, A. V. Uskov, V. V. Bezotosnyi Lebedev Physical Institute, Russian Academy of Sciences, 119991, Moscow, Russia Abstract: The proposed fiber-optic device is an array of tapering cores in a common cladding. Possible applications of the device for radiation summation in multielement laser systems are discussed. The criterion is specified for the formation… Read More »