Contents

Optics and Spectroscopy

Vol. 129, No. 8, 2021

Anomalies in a Lithium Niobate Stoichiometric Crystal in the Temperature Range 100–400 K

N. V. Sidorov, V. A. Sandler and M. N. Palatnikov p. 839  abstract

Study of the Photocatalytic Antimicrobial Activity of Nanocomposites Based on TiO2–Al2O3 under Action of LED Radiation (405 nm) on Staphylococci

A. V. Svetlakova, M. Sanchez Mendez, E. S. Tuchin, A. N. Khodan, M. Traore, R. Azouani, A. Kanaev and V. V. Tuchin p. 846  abstract

Photoconductive THz Detector Based on New Functional Layers in Multi-Layer Heterostructures

A. E. Yachmenev, D. V. Lavrukhin, R. A. Khabibullin, Yu. G. Goncharov, I. E. Spector, K. I. Zaytsev, V. A. Solov’ev, S. V. Ivanov and D. S. Ponomarev p. 851  abstract

Effect of Photoperiod Duration on Microcirculation in the Skin as Assessed Experimentally by Laser Doppler Flowmetry

O. V. Zlobina, S. S. Pakhomii, E. V. Smolina, T. V. Milashevskaya, A. A Dolgov, A. I. Ivanov and I. O. Bugaeva p. 857  abstract

Changes in the Functional Activity of Platelets during Experimental Exposure to Prolonged Photoperiod

O. V. Zlobina, V. F. Kirichuk, S. S. Pakhomii, A. N. Ivanov, A. Yu. Karetnikova, E. S. Terekhina, N. V. Shlyapnikov and I. O. Bugaeva p. 861  abstract

Study of Carbonates and Molecular Water in Mammoth Tusks from the Yudinovo Paleolithic Site

V. M. Zolotarev and G. A. Khlopachev p. 867  abstract

Optical Properties and Electronic Characteristics of Praseodymium and Neodymium in Condensed State

L. A. Akashev, N. A. Popov and V. G. Shevchenko p. 881  abstract

Vacuum Birefringence in a Field of a Plane Electromagnetic Wave

I. A. Aleksandrov and V. M. Shabaev p. 890  abstract

Effect of Stimulated Radial Scattering Accompanied by Excitation of Converging Acoustic Waves in Optical Media Pumped by High-Power Nanosecond Pulses with Broad Spectrum

N. E. Bykovskii p. 896  abstract

Diffusion Dynamics of Rydberg States in the Field of Radiation with Continuous Spectrum

A. S. Chervinskaya, D. L. Dorofeev and B. A. Zon p. 908  abstract

New Method for Measuring the Refractive Index of Flowing Liquid

V. V. Davydov, A. V. Moroz and D. I. Nikolaev p. 915  abstract

Electromagnetic Waves in a Waveguide with Periodically Modulated Magnetodielectric Filling

E. A. Gevorkyan p. 922  abstract

Electronic Structure and Spectral-Fluorescent Properties of Thiopyrylo-4-Tricarbocyanine Laser Dyes

A. A. Ishchenko, I. V. Kurdyukova, M. V. Bogdanovich, S. L. Bondarev, A. A. Romanenko, A. G. Ryabtsev and G. I. Ryabtsev p. 926  abstract

Conformational Dynamics in Excited States and Photophysical Properties of Meso-Substituted Nitro Derivatives of Octaethylporphyrin and Their Zn Complexes

N. V. Ivashin p. 935  abstract