Vol. 50, No. 9, 2023

Bulletin of the Lebedev Physics Institute

Lasers

Threshold Characteristics of 1.56-to-2.84 μm SRS Conversion in Methane under Broadband Pumping by High-Power Frequency-Modulated Pulses of an Erbium Fiber Source

A. A. Krylov, A. V. Gladyshev, Yu. P. Yatsenko, A. K. Senatorov, A. N. Kolyadin, A. F. Kosolapov, M. M. Khudyakov, M. E. Likhachev and I. A. Bufetov p. S967 abstract

High-Power Multimode Laser Diodes (λ = 976 nm) Based on Asymmetric Heterostructures with a Broadened Waveguide and Reduced Vertical Divergence

S. O. Slipchenko, A. A. Podoskin, D. N. Nikolaev, V. V. Shamakhov, I. S. Shashkin, M. I. Kondratov, I. N. Gordeev, A. E. Grishin, A. E. Kazakova, P. S. Gavrina, K. V. Bakhvalov, P. S. Kop’ev and N. A. Pikhtin p. S976 abstract

Multiwavelength Generation of Stokes Radiation Components with a Small Wavelength Spacing under Stimulated Raman Scattering in a SrMoO₄ Crystal

S. N. Smetanin, D. P. Tereshchenko, A. G. Papashvili, E. V. Shashkov, E. A. Peganov, K. A. Gubina, V. E. Shukshin, S. A. Solokhin, M. N. Ershkov, E. E. Dunaeva, I. S. Voronina and L. I. Ivleva p. S984 abstract

Coherent Mid-IR Supercontinuum in a Hollow Core Fiber Filled with a Mixture of Deuterium and Nitrogen

Yu. P. Yatsenko, A. V. Gladyshev and I. A. Bufetov p. S996 abstract

Active Media

Specific Features of Concentration Quenching of the Fe²⁺ Luminescence in a ZnSe Single Crystal

N. N. Il’ichev, V. P. Kalinushkin, E. S. Gulyamova, S. A. Mironov, M. I. Studenikin, V. V. Tumorin and P. P. Pashinin p. S1006 abstract

Mechanism of Stimulated Raman Scattering in Silicon Doped with Helium-Like Donors

R. Kh. Zhukavin, V. V. Tsyplenkov and V. N. Shastin p. S1015 abstract

Control of Laser Radiation Parameters

Formation of Axially Asymmetric Optical Vortices from Gaussian Beams behind a Spiral Phase Plate

A. A. Dergachev and S. A. Shlenov p. S1022 abstract

Effect of Laser Radiation on Matter

Generation and Filtering of Ultrashort Pulses When a Short Intense Laser Pulse is Reflected from Solid-State Targets

A. A. Andreev and K. Yu. Platonov p. S1029 abstract

Study of Emission Spectra of Cl-, Br-, and I-Containing Targets in the 3‒6.5 nm Spectral Range under Pulsed Laser Irradiation

V. E. Guseva, S. A. Garakhin, A. N. Nechai, A. A. Perekalov, N. N. Tsybin and N. I. Chkhalo p. S1042 abstract

Laser Applications and Other Topics in Quantum Electronics

Ignition of Brown Coal Microparticles by Nanosecond Second-Harmonic Pulses from a Neodymium Laser

B. P. Aduev, D. R. Nurmukhametov, I. Yu. Liskov and Z. R. Ismagilov p. S1050 abstract

Relationship between SBS Threshold and SBS Gain

M. O. Zhulidova, O. E. Naniy, I. I. Shikhaliev and V. N. Treshchikov p. S1059 abstract

Propagation of Electromagnetic Waves

Propagation of Electromagnetic Waves in a Nonlinear Hyperbolic Medium

A. I. Maimistov p. S1066 abstract