Optical absorption
Enhancement of optical absorption by modulation of the oxygen flow of TiO2 films deposited by reactive sputtering
... The XRD, HRTEM, and Raman scattering measure- ments show that the films have a compact columnar mor- phology and consist of anatase, rutile, and brookite phases. HRTEM analysis could not detect significant morphology and ...
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Enhancing the Optical Absorption and Interfacial Properties of BiVO4 with Ag3PO4 Nanoparticles for Efficient Water Splitting
... 8 ABSTRACT: Photoelectrochemical water splitting using 9 semiconductor materials has emerged as a promising approach 10 to produce hydrogen (H 2 ) from renewable resources such as 11 sunlight and water. In the present ...
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Obtaining and Analysis of Optical Absorption Spectrum of Fisher Rat Blood with Hepatic Damage by Photoacoustic Spectroscopy
... the optical absorption spectra of blood of male Fisher rats, in three cases, control (healthy rats), liver damage and liver damage treated with Curcuma ...the optical absorption spectra of ...
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Alternative method for concentration retrieval in differential optical absorption spectroscopy atmospheric gas pollutant measurements
... reference absorption spectrum m u st be m easured w ith the sam e instrum entation or convoluted w ith the appro priate instrum ent function to ensure the sam e reso lution for both ...reliable absorption ...
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Remote measurement of high preeruptive water vapor emissions at Sabancaya volcano by passive differential optical absorption spectroscopy
... After the plume traverse was completed, scanning DOAS measurements were set up at a site 5 km south of Sabancaya ’ s summit at 5040 m elevation (Figure 1). A small scanner was set on a tripod such that its scanning plane ...
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First-principles study of the band structure and optical absorption of CuGaS2
... In particular, for the 3d states of Ga (which are obtained from the calculations with the Ga pseudopotential with semicore states in the valence), the s c G W approach shifts thei[r] ...
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Coeficientes de absorcin ptica de tejidos biolgicos obtenidos por espectroscopia fotoacstica
... light absorption due to the light scatter- ing in the ...the optical absorption coeffi- cient in this kind of opaque materials, due to the fact that these techniques involve measurements of the heat ...
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Nonlinear optical properties of an exciton in a spherical quantum dot
... total optical absorption and refractive index changes exhibited a wide spectrum of behaviors depending on the con- finement ...nonlinear optical phenomena in QDs such as light speed control and ...
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Crystal growth and optical characterization of terbium and niobium doped BTO single crystals
... good optical quality were obtained and were investigated concerning optical absorption, optical activity, electro-optic effect, and ...the optical behavior of ...
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Quantum disc plus inverse square potential. An analytical model for two-dimensional quantum rings : study of nonlinear optical properties
... In the figure 3.4(a) one can observe the behavior of the linear, third-order nonlinear and total optical absorption coefficients, calculated as functions of the photon energy. Several distinct values of the ...
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Local electric field enhancement at the heterojunction of Si/SiGe axially heterostructured nanowires under laser illumination
... their optical properties make of them the optimal candidates for nanophotonic ...unique optical properties of semiconductor NWs have been reported, ...waveguiding,[5] optical resonances,[6] antenna ...
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Active materials based on implanted Si for obtaining intermediate band solar cells
... 2 it can be seen that Si co-implanted with close S and X substituting atoms results in a compound that again presents optical absorption below Si band gap, which was expected in view of[r] ...
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ACELERACION DE LA CONSOLIDACION DE LA FRACTURA OSEA EMPLEANDO LASER.
... In Fig. 2 shows a SEM micropicture of a fractured rat tibia, after 24 days of fractures where it is possible to observe the presence of the bone callus (region A) and B is the medullar channel. In order to make an ...
162
Vanadium supersaturated silicon system: a theoretical and experimental approach
... The effect of high dose vanadium ion implantation and pulsed laser annealing on the crystal structure and sub-bandgap optical absorption features of V-supersaturated silicon samples has[r] ...
8
Unveiling the nature of INTEGRAL objects through optical spectroscopy VIII Identification of 44 newly detected hard X ray sources
... A reliable assessment of the Compton nature of the narrow- line AGNs of our sample (see Table 5) can be obtained us- ing the diagnostic of Bassani et al. (1999), that is, the ra- tio of the measured 2−10 keV X-ray flux ...
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Unveiling the nature of INTEGRAL objects through optical spectroscopy?. VIII. Identification of 44 newly detected hard X–ray sources
... an absorption that is larger than the Galactic one, im- plying that there is additional absorbing material local to the ...this optical object resembles that of IGR J16318−4848 (Filliatre & Chaty 2004), ...
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Silarylene containing oligo(ether amide)s based on bis(4 (4 amino phenoxy)phenyl)dimethylsilane Effect of the dicarboxylic acid structure on some properties
... UV-visible optical transmission spectra were obtained on a UV-3101PC UV-Vis-NIR scanning spectrophotometer (Shimadzu, Japan) at room temperature using solutions of NMP (c ¼ ...plate. Absorption spectra were ...
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Waveguide saturable absorbers at 1 55 μm based on intraband transitions in GaN/AlN QDs
... The active media was limited to only 3 periods of GaN/AlN QWs/QDs in order to grant a measurable transmission in 2-mm-long WGs. The dimensions of the active nanostructures, namely Si-doped 1.5 nm GaN (6 ML) / 3 nm AlN ...
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THEORETICAL AND PRACTICAL REVIEW OF REVERBERATION FORMULAE FOR ROOMS WITH NON HOMOGENYC ABSORPTION DISTRIBUTION
... the absorption values required in the formulae. The absorption coefficient values are obtained from measurements in a test chamber using non-appropriate equations, because ISO specifications for ...
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