Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Valery Yu. Khramov"'
Publikováno v:
Optical and Quantum Electronics. 49
We developed gigawatt laser system on diode-pumped Nd:Cr:YAG microchip sub-nanosecond laser and lamp pumped Nd:YAG multistage amplifier. Pulse energy up to 1 J with pulse duration of 0.7 ns at the wavelength of 1064 nm was achieved with very good bea
Publikováno v:
2016 International Conference Laser Optics (LO).
Different schematics of compact Nd:YAG laser system capable to generate sub-nanosecond output pulses with energy up to 1J are described. Trade-offs and advantages of different laser schematics are discussed.
Publikováno v:
2014 International Conference Laser Optics.
Autor:
Gregory B. Altshuler, Stewart Wilson, Mikhail Inochkin, L. V. Khloponin, Valery Yu. Khramov, Andrey Erofeev, Felix I. Feldchtein
Publikováno v:
SPIE Proceedings.
A custom designed compact, high brightness diode laser array stack was designed and manufactured using proprietary methods that are robust and suitable for low cost manufacturing. The diode laser stack consisted of four 10 mm-wide diode laser bars ha
Autor:
L. V. Khloponin, Stewart Wilson, Gregory B. Altshuler, Felix Feldchein, Valery Yu. Khramov, Andrey Erofeev, Mikhail Inochkin
Publikováno v:
SPIE Proceedings.
Er:YLF diode pumped solid-state laser with high optical efficiency and brightness was designed, built and tested. Pulsed multi-frequency generation at a number of wavelengths in 2.66-2.85 μm range was theoretically analyzed and experimentally invest
Publikováno v:
SPIE Proceedings.
The results of dynamic thermal lens influence on radiation divergence of high-energy free running mode neodymium glass laser with unstable oscillator are represented. Thermal distortions of active rod influence on temporal changes of output laser rad
Autor:
Pavel N. Fimin, Valery Yu. Khramov, Vyacheslav V. Nazarov, Eduard Stepanovich Putilin, V. B. Karasev
Publikováno v:
SPIE Proceedings.
This work analyzes the influence of phase distortions caused by variable-reflectivity multilayer dielectric mirrors on the spatial and energetic characteristics of the output radiation of lasers with unstable and plane-parallel resonators. The phase
Autor:
Valery Yu. Khramov, L. V. Khloponin, Gregory B. Altshuler, V. B. Karasev, Nickolai R. Belashenkov
Publikováno v:
SPIE Proceedings.
In the present work some results of work carried out in LASER CENTER of St. Petersburg State Institute of Fine Mechanics and Optics are represented. This R and D work has been aimed on creation of powerful flash-lamp pumped solid- state lasers with a
Autor:
Valery Yu. Khramov, Nickolai R. Belashenkov, L. V. Khloponin, V. B. Karasev, Gregory B. Altshuler
Publikováno v:
SPIE Proceedings.
Basic features of laser resonators with field rotation are discussed. Main types of schemes of resonators providing high performance and low sensitivity to misalignment are represented. Results of investigation, development and application of resonat
Autor:
V. A. Nekhaenko, George P. Arumov, M. Lehto, Gregory B. Altshuler, Valery Yu. Khramov, Alexander V. Turin, R. Verkasalo, Kari Määttä, Risto A. Myllylae, Juha Kostamovaara, Veli Heikkinen
Publikováno v:
SPIE Proceedings.
A laser altimeter based on the time of flight principle has been developed to be put on board a gondola of a balloon drifting in the atmosphere of Mars. The light source is a PGT:Nd solid state laser ((lambda) equals 1.067 micrometers ) which emits p