Contents

Instruments and Experimental Techniques

Vol. 69, No. 2, 2026

X-ray Near Field Speckle Imaging (Review)

V. V. Lider p. 249  abstract

NUCLEAR EXPERIMENT TECHNOLOGY

Measurement of Radioisotope Yields of Iridium 189Ir, 190Ir, and 192Ir and Platinum 188Pt, 189Pt, and 191Pt when a Thick Target Made of Natural Metallic Iridium Is Irridated with 1H Nuclei

T. M. Fazliev, R. A. Aliev, V. A. Zagryadsky, E. S. Kormazeva, K. O. Korolev, T. M. Kuznetsova, A. V. Kurochkin, V. I. Novikov, and I. N. Popov p. 269  abstract

NUCLEAR EXPERIMENT TECHNOLOGY

Fast Neutron Detector Registration System

P. V. Zubarev, A. N. Kvashnin, V. V. Porosev, S. Yu. Taskaev, V. A. Khilchenko, and S. V. Shchukin p. 273  abstract

NUCLEAR EXPERIMENT TECHNOLOGY

Development of a Method for Obtaining the 37Ar Isotope for Calibration of a Two-Phase Emission Detector Based on Liquid Argon

D. Yu. Akimov, F. B. Ata-Kurbonova, V. A. Belov, A. I. Bolozdynya, A. G. Kovalenko, A. M. Konovalov, V. N. Kornoukhov, A. V. Kumpan, A. V. Lukyashin, A. Yu. Presnyakov, O. E. Razuvaeva, G. E. Simakov, V. V. Sosnovtsev, A. V. Shakirov, and D. I. Yurkov p. 279  abstract

Investigation of the Characteristics of the Amplitude−Time Neutron Detector Using Cosmic Rays

S. M. Akhmad, V. A. Baskov, and A. I. L’vov p. 285  abstract

NUCLEAR EXPERIMENT TECHNOLOGY

Efficiency Comparison of Large Scintillation Counters Based on Vacuum and Silicon Photomultipliers

V. V. Brekhovskikh, N. E. Voronkov, A. M. Gorin, V. A. Dyatchenko, S. V. Evdokimov, A. A. Zaitsev, V. I. Izucheev, A. K. Konoplyannikov, M. V. Medynsky, V. I. Rykalin, S. A. Sadovsky, and A. A. Shangaraev p. 290  abstract

ELECTRONICS AND RADIO ENGINEERING

Correction of Nonlinear Distortions of Signals in Ultrawideband Devices Using Their Model in the Form of a Nonlinear Recursive Filter

E. V. Semyonov and M. A. Nazarov p. 300  abstract

ELECTRONICS AND RADIO ENGINEERING

A Differential Amplifier with DC and AC Offset Compensation

M. V. Stepushkin and D. S. Kalenov p. 308  abstract

ELECTRONICS AND RADIO ENGINEERING

Hybrid Plasma–GaN Semiconductor Trigger Switch for Ultra-fast High-power Pulsed Applications: a Numerical Study

Erol Can p. 311  abstract

ELECTRONICS AND RADIO ENGINEERING

Measurement of Nonlinear Distortions of Picosecond Signals by Digitizing Devices

M. A. Nazarov and E. V. Semyonov p. 321  abstract

GENERAL EXPERIMENTAL TECHNIQUES

Influence of the Operating Conditions of an Avalanche Photodiode on Its Noise Parameters when Operating in a Continuous Mode

A. A. Anisimov, A. A. Belov, A. S. Kozlov, P. A. Krinskii, A. V. Medvedev, A. V. Petrov, S. V. Rozov, and N. A. Ushakov p. 328  abstract

GENERAL EXPERIMENTAL TECHNIQUES

A Stand of the Tracking Adaptive Optical System with a Loop of Prior Correction of the Optical Radiation Wavefront Tilt

L. N. Lavrinova, V. V. Lavrinov, and L. V. Antoshkin p. 335  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, BIOLOGY

A Radiometer for Monitoring Solar Activity at 10.7 cm Wavelength

Yu. V. Vekshin, M. B. Zotov, A. S. Lavrov, and E. Yu. Khvostov p. 344  abstract

Electron Spectrometer ELSPEC for Advanced Space Missions

A. I. Petukh, D. A. Moiseenko, A. A. Matyukhin, R. N. Zhuravlev, A. Yu. Shestakov, and O. L. Vaisberg p. 353  abstract

Simulation of X-Ray Radiation from Astrophysical Sources during Ground-Based Calibration of Space Telescopes

N. P. Semena, A. Yu. Tkachenko, M. V. Buntov, A. G. Glushenko, A. V. Krivchenko, M. V. Kuznetsova, V. V. Levin, V. A. Lipilin, A. A. Lutovinov, S. V. Mol’kov, V. N. Oleinikov, A. A. Rotin, D. V. Serbinov, and A. L. Yascovich p. 359  abstract

A Prototype of a Mobile System for Laser Engineering of Microbial Systems Based on a Microchip Laser

D. I. Ashikhmin, N. V. Minaev, and V. I. Yusupov p. 373  abstract

A Polyethylene Moderator with Volumetric Bismuth Inclusions for Boron Neutron Capture Therapy

T. A. Bykov, G. D. Verkhovod, I. S. Ibrahim, D. A. Kasatov, E. O. Sokolova, T. V. Shein, S. V. Shchukin, and S. Yu. Taskaev p. 379  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, BIOLOGY

Design of Non-contact Microwave Level Measurement System for Corrosive Radioactive Liquid at High Temperature Environment

Shyam Sundar Jena, Manjiri Pande, Gopal Joshi, Sandip Shrotriya, and Amitava Roy p. 385  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, BIOLOGY

Determination of the Piezoconductivity of a Porous Sample Using the Method of Filtration Pressure Waves under Laboratory Conditions

A. O. Khramov, M. N. Ovchinnikov, and A. G. Gavrilov p. 400  abstract

Registration of Earthquakes in the Kuril-Kamchatka Subduction Zone by Distributed Acoustic Sensing

A. A. Shakirova, D. V. Chebrov, I. S. Ladygin, A. R. Sagirova, and D. A. Kovalenko p. 407  abstract

LABORATORY EQUIPMENT

Fast Exposure Shutter for Super-Bright Beams of Synchrotron Radiation of Generation 4+ Sources

P. S. Zav’yalov, D. V. Skokov, M. S. Kravchenko, D. V. Karpov, O. M. Kut’kin, M. A. Zav’yalova, and E. N. Denezhkin p. 418  abstract

Study of Frequency Characteristics of SINIS Detectors Integrated into Planar Antennas of the Subterahertz Range

A. A. Gunbina, A. M. Chekushkin, V. S. Edelman, R. A. Yusupov, and M. A. Tarasov p. 424  abstract