Zobrazeno 1 - 10
of 11
pro vyhledávání: '"G I D'yakonov"'
Publikováno v:
Quantum Electronics. 23:166-168
It is demonstrated that stones of various chemical compositions and hardness levels in the human body can be crushed rapidly by pulses from a Cr, Er:YSGG laser delivered by an optical-fiber transport system.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13a9b1c52fbfa4669772ff467c5a3bdf
https://doi.org/10.1070/qe1993v023n02abeh002965
https://doi.org/10.1070/qe1993v023n02abeh002965
Autor:
V A Mikhaĭlov, Ivan A Shcherbakov, G I D'yakonov, D. A. Nikolaev, V G Lyan, B. V. Andreev, V. A. Maslov, S. K. Pak, O. P. Shaunin
Publikováno v:
Soviet Journal of Quantum Electronics. 21:941-943
Efficiencies of ~ 1.5–2% were achieved in YSGG:Cr:Nd lasers utilizing resonators insensitive to thermal birefringence in the active element under conditions of frequency doubling in a KTP crystal. The pulse output energies were 400 (240) mJ and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bbc1d78e2435ff9cb653e963ed1b5f4
https://doi.org/10.1070/qe1991v021n09abeh003994
https://doi.org/10.1070/qe1991v021n09abeh003994
Autor:
G I D'yakonov, Ivan Alexandrov Shcherbakov, B. A. Mikhailov, D. A. Nikolaev, Vitali I. Konov, S. K. Pak
Publikováno v:
Lasers in Urology, Laparoscopy, and General Surgery.
This paper describes the experimental investigation of the fragmentation processes of urinary stones by Cr,Nd:YSGG laser radiation (2.79 micrometers ). The laser operated in a pulse free-running regime with the pulse energy up to 1 J and pulse durati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2c54af8a603c6d37880d2d2f07734f4
https://doi.org/10.1117/12.43924
https://doi.org/10.1117/12.43924
Autor:
G I D'yakonov, A. V. Sapozhnikov, Valeri G. Andreev, S. K. Pak, Ivan Alexandrov Shcherbakov, B. A. Mikhailov, Oleg Rudenko
Publikováno v:
Lasers in Urology, Laparoscopy, and General Surgery.
This paper describes preliminary experimental data of kidney stone fragmentation by the laser induced shock acoustic pulses. Acoustic pulses were produced in a thin layer of liquid as a result of absorption process of 1.06 micrometers radiation pulse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2df89b98bd0c620f25da671e0dcf5c66
https://doi.org/10.1117/12.43923
https://doi.org/10.1117/12.43923
Autor:
Ivan Alexandrov Shcherbakov, G I D'yakonov, Vitali I. Konov, Y. V. Maksimovskiy, B. A. Mikhailov, N. I. Ershova, S. K. Pak
Publikováno v:
SPIE Proceedings.
This paper describes the data of experimental investigation of Cr,Er:YSGG radiation (2.79 micrometers wavelength) influence on hard tissues of teeth. The laser operated in pulse free-running regime with the pulse energy 100 - 600 mJ at a repetition r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6916720789c4fb7f42e1190870dd4268
https://doi.org/10.1117/12.43993
https://doi.org/10.1117/12.43993
Publikováno v:
Advanced Solid State Lasers.
The results of the investigations of a frequency doubled Cr:Nd:YSGG laser containing KTP crystal as a frequency doubler are presented. The efficiency about 1% at output energy of SHG pulses of ~0.125 and pulse repetition rate of 50Hz have been reache
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9032dd9bffd857abbb838935f7533c0
https://doi.org/10.1364/assl.1990.nl2
https://doi.org/10.1364/assl.1990.nl2
Publikováno v:
Soviet Journal of Quantum Electronics. 20:1460-1461
A method for improving the homogeneity of the distribution of the intensity of the output radiation from lasers by spatial averaging of the gain over the cross section of the active element is proposed. This method utilizes a laser head in which the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f31a8c7b1462c2a5489e82b8fa8179f
https://doi.org/10.1070/qe1990v020n12abeh007595
https://doi.org/10.1070/qe1990v020n12abeh007595
Publikováno v:
Soviet Journal of Quantum Electronics. 20:1528-1529
A description is given of laser resonators that ensure a highly efficient method for generation of linearly polarized radiation with a homogeneous distribution across a beam when a strong thermally induced birefringence is established in an active el
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89b4441075d63aabb841a805341d320b
https://doi.org/10.1070/qe1990v020n12abeh011661
https://doi.org/10.1070/qe1990v020n12abeh011661
Publikováno v:
Soviet Journal of Quantum Electronics. 20:387-388
A wedge-shaped phase plate was used in a laser resonator to improve the homogeneity of the intensity distribution over the cross section of the output beam from a YSGG:Cr:Nd laser using polarization coupling out of radiation, operated under condition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ca21c47624adf7f5a55efc29510576b
https://doi.org/10.1070/qe1990v020n04abeh005936
https://doi.org/10.1070/qe1990v020n04abeh005936
Autor:
Ivan A Shcherbakov, S. K. Pak, A M Prokhorov, G N Egorov, G I D'yakonov, Evgeny V Zharikov, V A Mikhaĭlov
Publikováno v:
Soviet Journal of Quantum Electronics. 18:43-45
An investigation was made of a YSGG:Cr:Nd laser using a resonator and a polarization method for coupling out radiation. The Q factor was switched electrooptically (pulse duration 10 ns) and the repetition frequency was up to 50 Hz. The differential e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16b8c1eed04090b7694470e11e0c9a0c
https://doi.org/10.1070/qe1988v018n01abeh010202
https://doi.org/10.1070/qe1988v018n01abeh010202