Prof. Aleksandr S. Dementjev Profile

Prof. Aleksandr S. Dementjev

Head of Lab at Fizikos Institutas

SPIE Involvement:

Author

Proceedings Article | 20 February 2015 Paper

Beam quality investigation in Nd:YAG crystal fiber amplifier pumped at > 110 W

Aleksej Rodin, Aidas Aleknavicius, Andrejus Michailovas, Aleksandr Dementjev

Proceedings Volume 9342, 934207 (2015) https://doi.org/10.1117/12.2079294

KEYWORDS: Crystals, Nd:YAG lasers, Refractive index, Picosecond phenomena, Fiber amplifiers, Laser crystals, Fourier transforms, Beam propagation method, Temperature metrology, Gaussian beams

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Proceedings Article | 30 May 2003 Paper

Modified Z-scan method for determination of nonlinear refraction of optical materials through the measurement of power-weighted time-averaged beam propagation factor

Alexander Dement'ev, Andrius Jovaisa, Robertas Navakas

Proceedings Volume 4932, (2003) https://doi.org/10.1117/12.472481

KEYWORDS: Beam propagation method, Scanning probe microscopy, Beam shaping, Laser beam diagnostics, Refraction, Crystals, Nonlinear optics, Modulation, Refractive index, Nonlinear crystals

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Proceedings Article | 10 April 2001 Paper

Solid state lasers with pulse compression by transient stimulated Brillouin and Raman scattering

A. Dement'ev, R. Buzelis, E. Kosenko, E. Murauskas, R. Navakas

Proceedings Volume 4415, (2001) https://doi.org/10.1117/12.425476

KEYWORDS: Nd:YAG lasers, Picosecond phenomena, Solid state lasers, Pulsed laser operation, Oscillators, Crystals, Absorption, Q switches, Polarization, Raman scattering

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Proceedings Article | 8 March 2001 Paper

Glasses doped with PbS nanocrystals as optically nonlinear medium for saturable absorber

Vidmantas Gulbinas, Alexander Dement'ev, Leonas Valkunas, Gintautas Tamulaitis, I. Motchalov, H. Raaben

Proceedings Volume 4318, (2001) https://doi.org/10.1117/12.417608

KEYWORDS: Glasses, Absorption, Nonlinear optics, Transient nonlinear optics, Lead, Nanocrystals, Nonlinear optical glasses, Absorption spectroscopy, Spectroscopy, Composites

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Proceedings Article | 1 February 1998 Paper

Development of a 2-color laser based on high-efficiency Raman amplification for multi-color holography

Alexey Rodin, Alexander Dement'ev

Proceedings Volume 3358, (1998) https://doi.org/10.1117/12.301475

KEYWORDS: Holograms, Bioalcohols, Holography, 3D image reconstruction, Light sources, Raman spectroscopy, Optical filters, Image quality, Neodymium, Pulsed laser operation

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Proceedings Article | 20 May 1996 Paper

Generation of picosecond Raman solitons from quantum noise in forward SRS

Alexander Dement'ev, V. Girdauskas, Alexey Rodin

Proceedings Volume 2800, (1996) https://doi.org/10.1117/12.240538

KEYWORDS: Solitons, Raman spectroscopy, Picosecond phenomena, Methane, Pulsed laser operation, Phase shifts, Hydrogen, Solids, Raman scattering, Gaussian beams

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Proceedings Article | 11 April 1996 Paper

Numerical analysis and experimental investigation of beam quality of SBS compressor with multipass Nd:YAG amplifier

Rytis Buzelis, Alexander Dement'ev, E. Kosenko, E. Murauskas, R. Ciegis, G. Kairyte

Proceedings Volume 2772, (1996) https://doi.org/10.1117/12.238095

KEYWORDS: Nd:YAG lasers, Optical amplifiers, Laser beam propagation, Q switching, Mirrors, Molybdenum, Numerical simulations, Pulsed laser operation, Q switches, Crystals

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Showing 5 of 7 publications

Conference Committee Involvement (2)

8th International Workshop on Laser Beam and Optics Characterization

22 January 2006 | San Jose, California, United States

7th International Workshop on Laser Beam and Optics Characterization

18 September 2002 | Boulder, CO, United States

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