Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Garmash, A."'
Publikováno v:
Soviet Journal of Quantum Electronics. 21:1269-1272
An investigation was made of the efficiency of suppression of excess amplitude fluctuations exhibited by laser and superluminescence-emitting diodes in the frequency range up to 1 MHz under conditions of antiphase addition of electrical signals in tw
Publikováno v:
Soviet Journal of Quantum Electronics. 20:882-886
An investigation was made of the relationship between the excess 1f 1/f noise and electrical characteristics of InGaAsP heterojunction lasers. The excess noise level was found to be governed by the nonradiative current in these lasers. Degradation of
Publikováno v:
Soviet Journal of Quantum Electronics. 21:426-428
Color centers were observed in nonlinear KTiOPO4 (KTP) crystals under conditions of second harmonic generation (SHG) of λ = 1.064 μm neodymium laser radiation at power densities > 100 MW/cm2. The additional absorption at the SHG wavelength (λ = 0.
Publikováno v:
Soviet Journal of Quantum Electronics; Aug1990, Vol. 20 Issue 8, p882-886, 5p
Publikováno v:
Soviet Journal of Quantum Electronics. 16:558-560
A study was made of the influence of unstable defects on the generation of laser radiation in YAG:Nd3+ crystals. It was found that F+ centers and iron impurity ions were the main unstable defects. The influence of these defects on lasing was manifest
Autor:
V V Sychev, V M Garmash, G V Maksimova, A A Malyutin, Pavel P Pashinin, A M Prokhorov, Yu G Basov, Vyacheslav V Osiko, B I Denker, A G Avanesov, Nikolai N Il'ichev
Publikováno v:
Soviet Journal of Quantum Electronics. 10:644-646
A high-efficiency pulse-periodic laser utilizing high-concentration Li--Nd--La phophate glass, operating in the free-oscillation regime with an efficiency of up to 4%, has been developed. An average output power of 14.5 W was obtained at a pulse repe
Publikováno v:
Soviet Journal of Quantum Electronics; Apr1986, Vol. 16 Issue 4, p558-560, 3p
Autor:
Avanesov, A G, Basov, Yu G, Garmash, V M, Denker, B I, Il'ichev, Nikolai N, Maksimova, G V, Malyutin, A A, Osiko, Vyacheslav V, Pashinin, Pavel P, Prokhorov, A M, Sychev, V V
Publikováno v:
Soviet Journal of Quantum Electronics; May1980, Vol. 10 Issue 5, p644-646, 3p
Autor:
O G Siyuchenko, Andrey Okhrimchuk, A. V. Shestakov, V. M. Garmash, N. B. Angert, V. A. Zhitnyuk, N. I. Borodin
Publikováno v:
Soviet Journal of Quantum Electronics. 18:73-74
Low-threshold wide-band lasing was achieved for a YAG crystal with optically and thermally stable color centers. The absorption and luminescence spectra were determined, and the gain was measured in the range of wavelengths corresponding to the color
Autor:
Yu V Tsvetkov, N. A. Kovyzhenko, V G Yanchuk, A A Divak, A V Tarasov, I I Kuratev, A V Semenenko, V I Shveĭkin, V. M. Garmash
Publikováno v:
Soviet Journal of Quantum Electronics. 18:832-833
A miniature source of coherent ultraviolet radiation was constructed on the basis of a YAG:Nd3+ laser pumped by a semiconductor laser. The average power of the output radiation at λ = 0.355 μm was 0.32 mW when the electrical pump power was 3.2 W (t