Optics and Spectroscopy
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Nonradiative energy transfer in a concentrated solution of prodan
Optics and Spectroscopy - Tập 101 Số 4 - Trang 563-567 - 2006
Overtone Raman Scattering in Lithium Tantalate Single Crystals
Optics and Spectroscopy - Tập 127 - Trang 587-590 - 2019
Overtone bands in the spectral range of 1300−1920 cm–1 have been found in Raman scattering spectrum of lithium tantalate single crystals. The Raman spectra were recorded in the 180° scattering geometry. The intensity of overtone transitions differs for different samples and, in some cases, is comparable with the Raman scattering intensity at the fundamental modes of a lithium tantalate single crys...... hiện toàn bộ
Luminescence of Sc3+ and La3+ isoelectronic impurities in Lu3Al5O12 single-crystal films
Optics and Spectroscopy - - 2006
Erratum to: “Photonics of Zinc Complexes of 3,3′-Bis(dipyrrolylmethenes)”
Optics and Spectroscopy - Tập 111 - Trang 323-323 - 2011
Anisotropic light diffraction in crystals with a large acoustic-energy walk-off
Optics and Spectroscopy - Tập 117 - Trang 801-806 - 2014
The influence of energy walk-off in an acoustic beam on the characteristic of anisotropic Bragg diffraction of light has been investigated by the example of paratellurite crystal. The angular and frequency characteristics of acousto-optic diffraction have been calculated in wide ranges of ultrasound frequencies and Bragg angles using the modified Raman-Nath equations. It is shown that the walk-off...... hiện toàn bộ
High-resolution X-ray emission Mα and Mβ spectra of Bi atoms
Optics and Spectroscopy - Tập 104 Số 5 - Trang 702-708 - 2008
Zeeman splitting, its specific features, and gyromagnetic ratios for configurations 1snf (n = 4–10) of the helium atom
Optics and Spectroscopy - Tập 120 Số 2 - Trang 184-191 - 2016
The effect of the ionic level population on the nonlinear resonances of higher order spatial harmonics
Optics and Spectroscopy - Tập 100 Số 6 - Trang 888-895 - 2006
The probe field spectrum of a three-level A scheme with a strong standing wave at the adjacent transition is calculated numerically taking into account velocity-varying collisions. It is shown that even a small population of the upper level changes the shape of the spectrum and increases the absorption in the line center. Taking into account the excitation of the level and the saturation of the ad...... hiện toàn bộ
Algebraic approach to the approximation of transfer characteristics of negative recording media
Optics and Spectroscopy - Tập 89 - Trang 792-796 - 2000
The choice of a function approximating the exposure dependence of the amplitude transmission of negative recording media is considered from the standpoint of the theory of measure within the framework of the algebraic model of the system in the geometrical optics approximation. Two processes are taken into account: photodetection in the quasi-linear and the overexposure ranges and light modulation...... hiện toàn bộ
Nonresonance Compton scattering of an X-ray photon by a Ni-like atomic ion
Optics and Spectroscopy - Tập 112 - Trang 1-7 - 2012
The absolute values and the shape of the double differential cross section for nonresonance Compton scattering of an X-ray photon by an atomic ion with d symmetry in the core are studied theoretically beyond the impulse approximation for the example of the Ni-like atomic ions Zn2+, Kr8+, and Mo14+. It is established that, as the nuclear charge of an ion increases, (a) in all the scattering channel...... hiện toàn bộ
Tổng số: 4,448
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