Contents

Instruments and Experimental Techniques

Vol. 68, No. 5, 2025

NUCLEAR EXPERIMENTAL TECHNIQUE

An Amplitude−Time Scintillation Spectrometer

S. M. Akhmad, V. I. Alekseev, V. A. Baskov, V. A. Dronov, A. I. L’vov, A. V. Kolzov, Yu. F. Krechetov, V. V. Poliansky, S. S. Sidorin, and E. A. Khafizova p. 677  abstract

NUCLEAR EXPERIMENTAL TECHNIQUE

Upgrading the Front-End Card of the ALICE/CERN Photon Spectrometer Experiment

Yu. G. Sibiryak, S. N. Bazylev, A. V. Shchipunov, and I. A. Filippov p. 683  abstract

NUCLEAR EXPERIMENTAL TECHNIQUE

New Electronics for the Tracking System of the Spherical Neutral Detector at VEPP-2000

V. N. Zhabin, M. N. Achasov, A. G. Bogdanchikov, A. A. Botov, V. P. Druzhinin, V. V. Zhulanov, A. A. Korol, A. P. Kryukov, A. E. Obrazovskiy, K. V. Pugachev, A. I. Tekutiev, Yu. V. Usov, and A. G. Kharlamov p. 695  abstract

ELECTRONICS AND RADIO ENGINEERING

Passive Reference Reflectometry for Determining Multilayer Media Levels and Parameters

E. I. Trenkal, A. V. Berestov, V. S. Pozdnyakov, and Ia. A. Petenenko p. 707  abstract

Application of Noise Radiation to Determine the Refractive Index of a Substance in the Gaseous Phase and in the Condensed State in the Range of 2–4 GHz

I. E. Ivanov p. 715  abstract

High-Voltage Pulse Generator with Voltage Doubling and Frequency up to 300 kHz

P. A. Bokhan, P. P. Gugin, D. E. Zakrevskiy, and M. A. Lavrukhin p. 725  abstract

GENERAL EXPERIMENTAL TECHNIQUES

Development of Main Electronics for Hard X-ray Intensity and Energy Spectrum Distribution Diagnostic in Tokamak

Jia-hao Shao, Hong-rui Cao, Jin-long Zhao, Shi-yao Lin, Shi-xing Liu, Qiang Li, Run-hui Zhou, Ying-ying Zheng, and Jian Yu p. 732  abstract

GENERAL EXPERIMENTAL TECHNIQUES

Exploring Vortex–Velocity–Density Interactions in IR-T1 Tokamak EDGE Plasma Using Mix-Probe Techniques

M. Lafouti, M. Mahjour, M. Ghoranneviss, and M. K. Salem p. 742  abstract

Diagnostic Systems of High-Current Electron Beam of Linear Induction Accelerator

A. R. Akhmetov, A. R. Don, K. I. Zhivankov, I. A. Zhuravlev, O. A. Nikitin, I. V. Penzin, D. P. Reshetov, and S. D. Khrenkov p. 750  abstract

GENERAL EXPERIMENTAL TECHNIQUES

Objective Lens with a Numerical Aperture of 0.4 for Optical Tweezers for Ytterbium Atoms

A. A. Golovizin, N. Yu. Shlykov, M. O. Yaushev, S. V. Klimov, A. A. Dvurechenskii, D. O. Tregubov, and N. N. Kolachevsky p. 758  abstract

GENERAL EXPERIMENTAL TECHNIQUES

Dual-Band Acousto-Optical Rotator of the Polarization Plane of Optical Radiation

V. M. Kotov p. 765  abstract

Application of a Balanced Electro-Optical Detector in a Terahertz Pulse Spectrometer

G. I. Kropotov, D. I. Tsypishka, and V. E. Avitsyuk p. 770  abstract

Femtosecond Laser Oscillator on Yb:KGW Crystal

S. A. Chizhov, I. I. Kuznetsov, and O. V. Palashov p. 777  abstract

GENERAL EXPERIMENTAL TECHNIQUES

High-Resolution Conductivity Spatial Distribution Measurement Scheme Suitable for Studying Detonating High Explosives

N. P. Satonkina and A. P. Ershov p. 785  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, BIOLOGY

Multiparameter Sensor for Measuring a Spacecraft Surface’s Contamination Parameters

K. E. Voronov, M. P. Kalaev, A. M. Telegin, and D. M. Ryazanov p. 801  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, BIOLOGY

A Black Body Simulator for Calibration of “Sun–Terahertz” Scientific Equipment

M. V. Filippov p. 808  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, BIOLOGY

Experimental Study of Radioisotope Separation of 103Pd and 103mRh on an Ion-Exchange Column with Anion Exchange Resin in Chloride Form

T. M. Kuznetsova, V. A. Zagryadskiy, K. O. Korolev, A. V. Kurochkin, and A. N. Strepetov p. 815  abstract

High-Vacuum Extraction of Helium and Other Gases from Milligram Samples of Minerals and Rocks Using a Ytterbium Fiber Optic Laser in Scanning Mode

O. V. Yakubovich, B. M. Gorokhovsky, S. V. Gavrilov, N. R. Gall, E. V. Adamskaya, A. B. Kotov, E. S. Ivanova, L. A. Sokolova, N. A. Vasilyeva, and M. O. Anosova p. 821  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, BIOLOGY

Design and Development of Additively Manufactured Blended Wing Body Models for Wind Tunnel Experiments

S. Mohan, A. Arora, and P. Kumar p. 829  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, BIOLOGY

Surface Pressure Measurement on an Additively Manufactured Blended Wing Body for Wind Tunnel Testing

S. Mohan, A. Arora, and P. Kumar p. 842  abstract

LABORATORY TECHNIQUES

Multi-spectral Radiation Temperature Inversion Method Based on the Statistical Distribution of the Predicted Temperature

Y. Zhang, J. Li, S. Jin, S. Liu, S. Shu, X. Lang, and T. Zhang p. 851  abstract

A Partial Discharge Noise Suppression Method Based on Singular Value Decomposition and Generalized S-transform

Zhanquan Wang, Junhong Xing, Linna Wang, Donghui Zhang, Yun Liu, Mingxing Jiao, and Weimin Xia p. 862  abstract

Method for Measuring the Absolute Energy Sensitivity of Digital Sensors

A. A. Fronya and A. T. Sahakyan p. 871  abstract

LABORATORY TECHNIQUES

Research Software and Hardware Complex for Measuring the Surface Adhesion Factor

A. I. Averina, N. V. Kashirin, A. E. Gur’yanov, and I. B. Kondratenko p. 878  abstract

A Visualization Experimental System for Investigating Accidental Releases from Supercritical CO2 Pipelines

Xuhai Pan, Chenyan Wang, Long Ding, Xilin Wang, Min Hua, Qingyuan Wang, and Juncheng Jiang p. 884  abstract

LABORATORY TECHNIQUES

Flow Characteristics in a Multifan Wind Tunnel

G. A. Berkon and P. A. Polivanov p. 895  abstract

LABORATORY TECHNIQUES

A Liquid-Hydrogen Target Based on a CH-208L Cryocooler

I. G. Bordyuzhin, N. G. Kozlenko, S. A. Kotov, V. M. Nesterov, D. V. Novinskii, V. V. Ryl’tsov, and D. N. Svirida p. 905  abstract

INSTRUMENTS AND DEMO EQUIPMENT AND LEARNING EXPERIMENT

Enhancing Chemistry Education with Smartphone Technology: A Simplified Protocol for Teaching Absorption Spectrophotometry

Huda A. Ibrahim, Diyar Salahuddin Ali, and Ghazwan F. Fadhil p. 912  abstract