1. Study of a Nonequilibrium Auger-Transition Using Emission Auger Spectroscopy

   • E. R. Burmistrov
   • L. P. Avakyants

   OriginalPaper 04 November 2021 Pages: 911 - 917

2. Forbidden Radiation Angles of Quantum Antennas

   • I. A. Peshko

   OriginalPaper 04 November 2021 Pages: 918 - 923

3. Relationship of the Frequency of the Symmetric Stretching Vibration of the Bond of Group II–IV Metal Ions with Water Molecules and Thermodynamic Functions of Aqua Ion Formation

   • G. P. Mikhailov

   OriginalPaper 04 November 2021 Pages: 924 - 928

4. Dual Fluorescence of a 10-Hydroxyacridine(1,8)Dione Derivative in Polar Solvents

   • S. L. Bondarev
   • A. N. Pirko
   • A. S. Pilipovich

   OriginalPaper 04 November 2021 Pages: 929 - 934

5. Collisional Depolarization of Luminescence of Polyatomic Molecules with Internal Rotations

   • A. P. Blokhin

   OriginalPaper 04 November 2021 Pages: 935 - 944

6. Sensitization of Yb(III), ER(III), and Nd(III) Luminescence by Ligands Based on 3-Formyl-4-Hydroxybenzoic Acid and Transition Metals

   • F. F. Dang
   • Q. Zhang
   • Zh. Ju

   OriginalPaper 04 November 2021 Pages: 945 - 950

7. Nonlinear Optical Properties of Novel Metallophthalocyanines

   • F. A. Alawainati
   • H. Manaa
   • A. Jaafar

   OriginalPaper 04 November 2021 Pages: 951 - 957

8. Feasibility of Using Luminescence Spectroscopy for Analyzing Phthalates Upon Their Conversion into Fluorescein

   • O. S. Kulakovich
   • A. A. Ramanenka
   • V. P. Kulakovich

   OriginalPaper 04 November 2021 Pages: 958 - 964

9. Analog of a Single-Pulse Echo Signal in Cobalt Formed by an Additional Magnetic Videopulse

   • G. I. Mamniashvili
   • T. O. Gegechkori

   OriginalPaper 04 November 2021 Pages: 965 - 969

10. Multivariate Calibration of Concentrations of C, Mn, Si, Cr, Ni, and Cu in Low-Alloy Steels from Raw Low-Resolution Spectra Obtained By Laser-Induced Breakdown Spectroscopy

    • M. V. Belkov
    • D. A. Borisevich
    • M. A. Khodasevich

    OriginalPaper 03 November 2021 Pages: 970 - 974

11. Optical and X-Ray Investigation of Indium Oxide Films on Sapphire Substrates

    • A. A. Tikhii
    • K. A. Svyrydova
    • I. V. Zhikharev

    OriginalPaper 03 November 2021 Pages: 975 - 979

12. Plasmonic Structures Based on Hydroxyapatite/Silver Nanocomposite for Surface-Enhanced Raman Spectroscopy

    • A. Yu. Panarin
    • A. V. Abakshonok
    • S. N. Terekhov

    OriginalPaper 03 November 2021 Pages: 980 - 986

13. Application of Optical Spectroscopy for the Analysis of Physiological Characteristics and Elemental Composition of Some Lichen Species

    • A. F. Meysurova
    • A. A. Notov
    • L. N. Skrypnik

    OriginalPaper 03 November 2021 Pages: 987 - 998

14. Application of Pulse–Amplitude Modulated Fluorometry to Estimate the Effect of Volatile Organic Compounds and Benzo[a]Pyrene on the Functional Activity of Photosystem II in Leaves of Reed Fescue Festuca arundinacea Schreb.

    • E. G. Tulkova
    • G. E. Savchenko
    • L. F. Kabashnikova

    OriginalPaper 03 November 2021 Pages: 999 - 1007

15. Classification of Analgesic Drugs in Primary Packaging by Applying Multivariate Methods to Terahertz Spectra

    • A. V. Lyakhnovich
    • G. V. Sinitsyn
    • D. A. Borisevich

    OriginalPaper 03 November 2021 Pages: 1008 - 1011

16. Regularities in the Formation of the Visibility Zone by Active-Pulse Vision Systems on Inclined Lines of Sight with Diffuse Reflection

    • B. F. Kuntsevich
    • V. P. Kabashnikov
    • D. V. Shabrov

    OriginalPaper 08 November 2021 Pages: 1012 - 1019

17. Determination of the Quality Parameters of Higher-Order Bessel Light Beams

    • A. A. Ryzhevich
    • I. V. Balykin
    • T. A. Zheleznyakova

    OriginalPaper 03 November 2021 Pages: 1020 - 1034

18. Polarization Features of Diffraction of Light by Reflective Holographic Phase Gratings in a Plane-Parallel Layer

    • G. V. Kulak
    • T. N. Nikolaenko
    • V. N. Navnyko

    OriginalPaper 03 November 2021 Pages: 1035 - 1039

19. Determination of Pure Electronic Transition in Vibronic Spectra and Quantum Fluctuation Theorem

    • V. A. Tolkachev

    BRIEF COMMUNICATIONS 03 November 2021 Pages: 1040 - 1042

20. Enhanced Up-Conversion of High Concentration Yb³⁺/Er³⁺-Doped β-Nayf₄ Microparticles by Changing the Host Matrix

    • Q. Bo
    • J. Wang

    OriginalPaper 03 November 2021 Pages: 1043 - 1047

21. Effects of Mn Doping on the Optical Properties of Zn₂GeO₄ Phosphor Prepared Through Co-Precipitation

    • N. M. C. Hoang Phuong Lan
    • C. X. Thang
    • N. V. Tung

    OriginalPaper 03 November 2021 Pages: 1048 - 1053

22. Analysis of Glasses Coated with Zn–Cr–Sn–O Thin Films by Picosecond Laser-Induced Breakdown Spectroscopy and Transmission Spectroscopy

    • Q. Gao
    • Sh. Liu
    • H. Liu

    OriginalPaper 03 November 2021 Pages: 1054 - 1060

23. Avoiding Self-Reversed D Lines in Laser-Induced Breakdown Spectroscopy of Trace-Level Sodium in Soil

    • W. Hu
    • L. E. Agelet
    • Y. F. Lu

    OriginalPaper 03 November 2021 Pages: 1061 - 1066

24. Optical Emission Analysis of Atmospheric Pressure Methane Plasma Chemical Vapor Deposition

    • Y.-C. Chang
    • P.-Y. Wu
    • C. Huang

    OriginalPaper 03 November 2021 Pages: 1067 - 1075

25. Development of UV Spectrophotometric Methods for the Determination of Risedronate Sodium in Different Solutions

    • T. Abdali
    • J. Hasian

    OriginalPaper 03 November 2021 Pages: 1076 - 1080

26. Spectrophotometric Methods for the Determination of Chloramphenicol, Dexamethasone Sodium Phosphate, and Tetrahydrozoline HCl in their Pure and Ophthalmic Dosage Forms

    • B. M. Eltanany
    • H. R. Abd El-Hadi
    • M. S. Eissa

    OriginalPaper 03 November 2021 Pages: 1081 - 1087

27. Derivative Spectrophotometric Methods for Determination of Gefitinib in Bulk and in Formulation

    • S. R. Patra
    • A. Bali
    • M. Saha

    OriginalPaper 03 November 2021 Pages: 1088 - 1094

28. Modeling and Optimizing of Effective Factors on Kinetic Spectrophotometric Determination of Vitamin B₁₂

    • M. Karami
    • M. Safaei
    • A. Sheibani

    OriginalPaper 03 November 2021 Pages: 1095 - 1104