1. Spectral emission analysis of powders in a high-voltage arc with the sample introduced from a thin tube

   • N. F. Trapitsyn
   • T. A. Skuratova

   OriginalPaper Pages: 827 - 830

2. Increasing the sensitivity of an intraresonator spectrometer using a laser with a uniformly broadened amplification band

   • S. F. Luk'yanenko

   OriginalPaper Pages: 830 - 833

3. Calculation of the spectral characteristics of the beat signal of a ring laser, taking into account the finite correlation time of the frequency fluctuations of the “pedestal”

   • A. A. Kutsak
   • O. M. Lyashko

   OriginalPaper Pages: 834 - 838

4. Locking of the modes of a two-frequency gas laser in a magnetic field

   • A. Ch. Izmailov

   OriginalPaper Pages: 838 - 841

5. Luminescence of mesogenic 3,7-disubstituted coumarin

   • T. N. Anisimova
   • B. M. Bolotin
   • V. A. Sklyaruk

   OriginalPaper Pages: 842 - 845

6. Far ultraviolet luminescence of molecular xenon in Xe/Ne and Xe/He mixtures excited by a beam of fast electrons

   • Yu. I. Dymshits
   • V. A. Korobitsyn

   OriginalPaper Pages: 845 - 849

7. Spectral-luminescence investigation of 9,10-anthraquinone in various states of aggregation

   • V. Ya. Oginets

   OriginalPaper Pages: 849 - 852

8. Fluorescence spectra of coumarin derivative solutions at 4.2°K

   • V. T. Koyava
   • V. V. Sakovich

   OriginalPaper Pages: 852 - 855

9. Polarized luminescence of quartz glasses doped with germanium

   • E. S. Voropai
   • S. M. Gorbachev
   • N. G. Cherenda

   OriginalPaper Pages: 856 - 859

10. Vibrational spectra and structures of glasses in the KF-GeO₂ system

    • I. A. Mukhitdinova
    • V. O. Kabanov
    • O. V. Yanush

    OriginalPaper Pages: 860 - 864

11. Temperature dependence of the spectral characteristics of 3,3'-diethylthiadicarbocyanine

    • F. Enikhen
    • D. N. Berezovin

    OriginalPaper Pages: 865 - 868

12. Effect of proton interactions on the ESR spectra of the Cu²⁺ ion in silicotungstic heteropoly acid

    • I. I. Ugolev
    • V. L. Shestakov
    • A. K. Potapovich

    OriginalPaper Pages: 868 - 871

13. Accounting for influence of adsorption on results obtained from spectral measurements

    • B. D. Ryzhikov
    • N. R. Senatorova
    • L. Yu. Gorbunova

    OriginalPaper Pages: 871 - 875

14. Possibility of modeling half-width of absorption bands in predicting IR spectra of polyatomic molecules

    • A. T. Todorovskii
    • V. A. Dement'ev

    OriginalPaper Pages: 875 - 879

15. Analysis of the vibrational frequencies of the UO ₂ ²⁺ ion in complexes containing acido-ligands

    • L. V. Kobets
    • D. S. Umreiko

    OriginalPaper Pages: 879 - 882

16. Origin of the high-reflectivity band at ν = 2 for a multilayer film structure with layers of unequal thickness

    • V. I. Khramtsova
    • I. N. Shklyarevskii
    • Dao Thi Dyk

    OriginalPaper Pages: 883 - 886

17. External heavy-atom effects on radiative singlet-triplet transitions

    • B. F. Minaev

    OriginalPaper Pages: 887 - 890

18. Influence of intermolecular interaction on kinetics of conformational transitions in poly-m-phenyleneisophthalamide

    • P. M. Pakhomov
    • I. I. Novak
    • V. E. Korsukov

    OriginalPaper Pages: 891 - 895

19. Quantum-chemical method of determining force constants for a polyatomic molecule in a coupled coordinate system

    • S. A. Shatokhin
    • L. A. Gribov
    • I. S. Perelygin

    OriginalPaper Pages: 896 - 900

20. The role of singlet oxygen in photodegradation of aminophenalenones

    • N. A. Kuznetsova
    • O. L. Kaliya
    • S. L. Solodar'

    OriginalPaper Pages: 901 - 904

21. Influence of certain impurities on properties of LaOBr-Tb luminophore

    • S. I. Golovkova
    • A. M. Gurvich
    • R. V. Katomina

    OriginalPaper Pages: 904 - 907

22. Investigating two-layer dielectrics by means of interference

    • N. A. Gelashvili
    • V. S. Lysenko
    • V. B. Popov

    OriginalPaper Pages: 908 - 910

23. Filtering properties of the moment method

    • I. M. Dubrovkin

    OriginalPaper Pages: 911 - 915

24. Light scattering by spherical two-layer particles of white pigments

    • A. V. Dotsenko
    • A. M. Efremov
    • V. G. Sofronov

    OriginalPaper Pages: 915 - 918

25. Reflection of a plane light wave from the boundary with a nonlinear medium

    • V. A. Shakin

    OriginalPaper Pages: 918 - 923

26. Temperature variation of the refractive index and the width of the band gap of α-ZnP₂

    • I. T. Bodnar'
    • A. U. Sheleg

    OriginalPaper Pages: 923 - 926

27. Temperature emissivity of quartz excited by ionizing radiation

    • A. G. Smagin

    OriginalPaper Pages: 926 - 930

28. Diffraction of light at ultrasound in gyrotropic media

    • G. V. Kulak

    OriginalPaper Pages: 930 - 933

29. Dichrograph for measuring circular dichroism in crystals

    • Z. B. Perekalina
    • V. I. Vologin
    • K. A. Kaldybaev

    New Instruments and Materials Pages: 934 - 938

30. Attachment to spectrophotometers for measuring scattering patterns

    • M. P. Esel'son
    • Yu. A. Sivyakov
    • R. Ya. Spivak

    New Instruments and Materials Pages: 939 - 940