emission cross section
Effect of LED emission cross section in indoor visible light communication systems
... LED emission cross- sections on VLC ...circular emission cross-section, because the LED dimensions are small compared to the distance from the LEDs to the receiver; they are in a ...
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Stimulated Emission Cross Section in Xenon-Neon Lasers Gulalla Yaseen Bakr
... But the stimulated emission cross section is deferent in mechanism[7]. In gas lasers 𝜎 𝑠𝑡 is formulated through the atomic transition characteristics. In fact, it's the product of population inverse ...
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The Fluorescence of Pr3+ in Zinc Lithium Bismuth Borate Glasses with Large Stimulated Emission Cross Section
... served optical spectra are discussed in terms of energy states and the intensity of the transitions. The various interaction parameters like Slater-Condon, Lande, bonding and Racah parameters have been computed. ...
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Spectroscopic properties of Nd:YAG laser pumped by flashlamp at various temperatures and input energies
... Therefore the stimulated emission cross section and output energy for two lines of 938.5 and 946 nm were quantified as a function of temperature and input energy. These observations are new and may ...
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Judd-Ofelt Parameters of Sm3+-doped Alkali Telluroborate Glasses
... The optical properties of Sm 3+ -doped alkali borotellurite glass have been investigated. Negative value for the bonding parameter indicates the ionic nature of Sm 3+ -ligand bond in ABTe glass. Moreover, the small value ...
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Spectroscopic Properties of Nd3+ Doped Zinc Lithium Bismuth Borate Glasses
... spontaneous emission probability, branching ratio, radiative life time and stimulated emission cross–section of various emission lines have been ...stimulated emission ...
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Design and characterization of a flexible diode pumped solid state laser neodymium orthovanadate
... stimulated emission cross section had open up varieties of future works ...stimulated emission cross section at various temperatures during laser ...
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Spectroscopy characteristics of quasi three level laser transition induced by flashlamp pumped ND:YAG laser
... The optical properties of Nd:YAG laser rod pumped by a new flashlamp is studied by spectroscopic technique. The spectrum of fluorescence radiation indicates that, the absorption line is peak at 882 nm, implies that the ...
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Sm3+ Doped Borotellurite Glass: Absorption, Fluorescence and Optical Parameters
... stimulated emission cross-section have been ...stimulated emission cross-section and quantum efficiency show that BTNA:Sm 3+ glass is the promising materials for lasing action ...
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Spectroscopic Investigations on Er3+ doped Lead Borotellurite Glasses for Amplifier Applications
... The radiative properties helpful in determining the best optical device such as transition probability (A), gain band width, emission cross- section(σ e ) and branch[r] ...
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(n,xn γ) reaction cross section measurements for (n,xn) reaction studies
... also cross sections for the transition from the first inelastic level at 45 keV to the ground state [12] but with limited statistical and systematical accuracy due to the high conversion coe ffi cient and sample sel ...
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On the Cross Section Lattice of Reductive Monoids.
... The cross section lattice of M is then an order preserving cross section of the J -classes of M where each J -class is represented by an ...the cross section lattice will also ...
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Total neutron cross section for 181Ta
... target position using an electron charge of 77 pC and 100 kHz pulse repetition rate. This neutron intensity enables to measure neutron total cross section with a 2%–5% statistical uncertainty within a few ...
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Seismic Design Method for CFS Diagonal Strap-Braced Stud Walls: Experimental Validation
... Tests on full-scale wall specimens were carried out by using a specifically designed testing frame for in-plane horizontal loading. Horizontal loads were transmitted to the upper wall track by means of a 200x120x10 mm ...
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Scattering Cross Section of a Meta-Sphere
... scattering cross section of a meta-sphere is determined and comparison is made to a normal right-handed spherical dielectric ...scattering cross section to zero is ...
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Design Optimization of Heat Transfer in Microchip Cooling System
... other cross section type fins whereas the copper heat source system is better than silicon heat source thermal ...fins cross section with copper and silicon heat source thermal ...
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Surface modification of the laser sintering standard powder polyamide 12 by plasma treatments
... FIGURE 7 a Top surface and cross section of the nontreated PA12 part, b Top surface and cross section of 1 h treated PA12 part, c Cross section of the 2 h treated PA12 part, and d Cross [r] ...
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RADAR CROSS SECTION PREDICTION FOR DIFFERENT OBJECTS USING MAT LAB AND RADAR CROSS SECTION (RCS) REDUCTION
... This section presents examples of backscattered radar cross section for a number of simple shape objects. When compared to the optical region approximation, is overwhelming. Most formulas presented ...
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Two-dimensional prognostic experiments for fast-flowing ice streams from the Academy of Sciences Ice Cap
... the cross sections were obtained using ice surface temperature histories that were inverted previously from borehole temperature profiles derived at the summit of the Academy of Sciences Ice Cap and the ...
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Is human Achilles tendon deformation greater in regions where cross sectional area is smaller?
... For relatively long tendons, in vitro studies have shown that variations in elongation occur along the length of the tendon (Wren et al., 2001; Zernicke et al., 1984). In vivo measurements also confirm the non-uniformity ...
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