Search Results - "Dostovalov, Alexander V."
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Thermochemical Laser-Induced Periodic Surface Structures Formation by Femtosecond Laser on Hf Thin Films in Air and Vacuum
Published in Materials (08-11-2021)“…Thermochemical laser-induced periodic surface structures (TLIPSS) are a relatively new type of periodic structures formed in the focal area of linear polarized…”
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Journal Article -
2
Raman Lasing and Transverse Mode Selection in a Multimode Graded-Index Fiber with a Thin-Film Mirror on Its End Face
Published in Micromachines (Basel) (24-07-2024)“…Multimode fibers are attractive for high-power lasers if transverse modes are efficiently controlled. Here, a dielectric thin-film mirror (R~20%) is…”
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Journal Article -
3
Multimode Graded Index Fiber with Random Array of Bragg Gratings and Its Raman Lasing Properties
Published in Fibers (01-06-2023)“…Light propagation in multimode fibers is known to experience various nonlinear effects, which are being actively studied. One of the interesting effects is the…”
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4
Distributed Bragg Reflector Laser Based on Composite Fiber Heavily Doped with Erbium Ions
Published in Photonics (01-06-2023)“…A distributed Bragg reflector (DBR) laser with a specially designed, heavily Er3+-doped composite fiber of a length as short as 1.8 cm is demonstrated. The DBR…”
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5
Single-Frequency Ring Fiber Laser with Random Distributed Feedback Provided by Artificial Rayleigh Scattering
Published in Photonics (01-01-2024)“…Femtosecond (fs) laser inscription technology allows for the production of in-fiber disordered structures with an enhanced level of Rayleigh backscattering…”
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6
LIPSS on thin metallic films: New insights from multiplicity of laser-excited electromagnetic modes and efficiency of metal oxidation
Published in Applied surface science (15-10-2019)“…Thin Cr films 28-nm thick deposited on glass substrates were processed by scanning low-intensity femtosecond laser pulses with energy well below single-pulse…”
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7
Generating high-quality beam in a multimode LD-pumped all-fiber Raman laser
Published in Optics express (29-05-2017)“…We report on the first demonstration of an all-fiber CW Raman laser based on a multimode graded-index fiber directly pumped by multimode fiber-coupled laser…”
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8
Advanced distributed feedback lasers based on composite fiber heavily doped with erbium ions
Published in Scientific reports (02-09-2020)“…Specially designed composite heavily Er 3+ -doped fiber in combination with unique point-by-point inscription technology by femtosecond pulses at 1,026 nm…”
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9
Effect of antireflection microstructures on the optical properties of GaSe
Published in Optical materials express (01-04-2022)“…The main application area for GaSe crystals is nonlinear optics, but there are problems with machining and antireflection coatings due to the layered structure…”
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10
Fiber lasers with regular and random distributed feedback
Published in 2021 Optical Fiber Communications Conference and Exhibition (OFC) (01-06-2021)“…We review our recent results on fiber lasers with distributed feedback based on π-shifted or random fiber Bragg gratings, and random index structures inscribed…”
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Conference Proceeding -
11
LIPSS on thin metallic films: New insights from multiplicity of laser-excited electromagnetic modes and efficiency of metal oxidation
Published 08-11-2019“…Applied Surface Science, Volume 491, 15 October 2019, Pages 650-658 Thin Cr films 28-nm thick deposited on glass substrates were processed by scanning…”
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Journal Article -
12
Optical inspection of microchannels formed by femtosecond laser on glass
Published in 2014 International Conference Laser Optics (01-06-2014)“…The aim of the research was to provide precise inspection of surface of optically transparent materials micromachined by a femtosecond laser. We found that…”
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Conference Proceeding -
13
Mode selection in a Raman fiber laser directly pumped by a multimode laser diode using fiber Bragg gratings
Published in 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (01-06-2017)“…Summary form only given. Raman fiber lasers (RFLs) are treated as perspective laser sources in spectral bands which are not available from rare-earth (RE)…”
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Conference Proceeding