Low-Loss IR Dielectric Material System for Broadband Dual Range Omnidirectional Reflectivit
... denoted by the black area, for a film thickness ratio of h2 共PE兲兾h1 共TE兲 苷 1.7兾0.68. The omnidirectional range has a value of 44% for our system, which we also verified by fabricating this structure and measuring the ref lectivity for both polarizations at various angles (0–80±). Since a similar str ...
... denoted by the black area, for a film thickness ratio of h2 共PE兲兾h1 共TE兲 苷 1.7兾0.68. The omnidirectional range has a value of 44% for our system, which we also verified by fabricating this structure and measuring the ref lectivity for both polarizations at various angles (0–80±). Since a similar str ...
Total Reflection X-Ray Fluorescence Spectrometer
... characteristics of the conventional x-ray sources, such as the angular divergence and the intensity at the sample position. In this work, a new type of the x-ray optical device with two curved mirrors was tested experimentally. INTRODUCTION The idea and first demonstration of TXRF were presented in ...
... characteristics of the conventional x-ray sources, such as the angular divergence and the intensity at the sample position. In this work, a new type of the x-ray optical device with two curved mirrors was tested experimentally. INTRODUCTION The idea and first demonstration of TXRF were presented in ...
Supplementary Discussion - Word file
... -Oph 102 is measured, can be summarised as follows: 1. A simple script based on the IRAF task splot is used to determine the position of the continuum emission at different wavelengths. The Image Reduction and Analysis Facility (IRAF) is written and supported by the IRAF programming group at Nation ...
... -Oph 102 is measured, can be summarised as follows: 1. A simple script based on the IRAF task splot is used to determine the position of the continuum emission at different wavelengths. The Image Reduction and Analysis Facility (IRAF) is written and supported by the IRAF programming group at Nation ...
COMMUNICATIONS
... A significant principle of bioinorganic chemistry is that the potentials of (mostly oligonuclear) redox systems increase only gradually with increasing oxidation state when the respective higher oxidation number of the central metal is stabilized by deprotonation of the Brùnsted acid ligands.[1] Car ...
... A significant principle of bioinorganic chemistry is that the potentials of (mostly oligonuclear) redox systems increase only gradually with increasing oxidation state when the respective higher oxidation number of the central metal is stabilized by deprotonation of the Brùnsted acid ligands.[1] Car ...
Rejection of two-photon fluorescence background in
... 0 or π local phase shifts on the reflected beam. Two patterns, in particular, were investigated as shown in Fig (1). Both patterns have the advantage that they provoke no defocus (the 2zone pattern, however, produces a slight tilt). Both patterns also lead to aberrations that are independent of the ...
... 0 or π local phase shifts on the reflected beam. Two patterns, in particular, were investigated as shown in Fig (1). Both patterns have the advantage that they provoke no defocus (the 2zone pattern, however, produces a slight tilt). Both patterns also lead to aberrations that are independent of the ...
Pulsed Quasi-monochromatic x-ray source for radiography
... between x-ray source to target and target to detector (which is required to record an event (laser shocked target) of size approximately 150 to 200 µm). The x-ray radiograph of S. S. wire, S. S. mesh and 20 µm Al foil have been recorded. Figure 4a shows the optical microscope image of the 400 µm thi ...
... between x-ray source to target and target to detector (which is required to record an event (laser shocked target) of size approximately 150 to 200 µm). The x-ray radiograph of S. S. wire, S. S. mesh and 20 µm Al foil have been recorded. Figure 4a shows the optical microscope image of the 400 µm thi ...
Structure Analysis Technology for Amorphous Materials by
... the average number of atomic pairs that exist at radius between r and r+∆r. Regarding the simulation, molecular dynamics (MD) is often employed to build structure models, using appropriate interatomic potentials. The validity of the simulated models can be inspected by comparing the RDFs calculated ...
... the average number of atomic pairs that exist at radius between r and r+∆r. Regarding the simulation, molecular dynamics (MD) is often employed to build structure models, using appropriate interatomic potentials. The validity of the simulated models can be inspected by comparing the RDFs calculated ...
Ohmic Contacts With Ultra-Low Optical Loss on Heavily Doped n
... 1019 cm3 , which is expected to result in very low contact resistance [8]. It will be shown in the next section that ohmic contacts between AgGe and these heavily doped contact layers can be formed without any annealing process, and their specific contact resistances can be minimized to the same le ...
... 1019 cm3 , which is expected to result in very low contact resistance [8]. It will be shown in the next section that ohmic contacts between AgGe and these heavily doped contact layers can be formed without any annealing process, and their specific contact resistances can be minimized to the same le ...
Investigation of Physical Properties in II-VI
... The ternary compound CdSxSe1-x is a highly photosensitive material, and finds many practical applications such as in discrete and multielement photo resistors, in optical filters, signal memory devices, laser screens, LSI circuits, Infrared imaging devices, Optoelectronic switches, linear image sens ...
... The ternary compound CdSxSe1-x is a highly photosensitive material, and finds many practical applications such as in discrete and multielement photo resistors, in optical filters, signal memory devices, laser screens, LSI circuits, Infrared imaging devices, Optoelectronic switches, linear image sens ...
Fluorescence Spectroscopy
... reverse its spin (spin flip). This process is called intersystem crossing. Electrons in both orbitals now h have same spin i orientation i t ti ...
... reverse its spin (spin flip). This process is called intersystem crossing. Electrons in both orbitals now h have same spin i orientation i t ti ...
The Intensity of Ligand Absorption - TopSCHOLAR
... The objective of this work was to determine what factors such as d-electron configuration, back donation, oxidation state on the metal ion, covalency, etc. influence the intensity of the TT* *• TT transition in triphenylphosphine complexes. The region of wavelength covered by this research did not s ...
... The objective of this work was to determine what factors such as d-electron configuration, back donation, oxidation state on the metal ion, covalency, etc. influence the intensity of the TT* *• TT transition in triphenylphosphine complexes. The region of wavelength covered by this research did not s ...
fourier transform infra-red (ftir) spectroscopy
... molecule can be excited to a higher vibrational state by absorbing IR radiation. The probability of a particular IR frequency being absorbed depends on the actual interaction between this frequency and the molecule. In general, a frequency will be strongly absorbed if its photon energy coincides ...
... molecule can be excited to a higher vibrational state by absorbing IR radiation. The probability of a particular IR frequency being absorbed depends on the actual interaction between this frequency and the molecule. In general, a frequency will be strongly absorbed if its photon energy coincides ...
as a PDF
... The blue-wing hump was more than 10% to 30% larger than the red-wing hump. This asymmetry feature has also been observed by Snyder and Bentley [7,8]. An example of such a Thomson scattering line profile is shown in figure 4. Although the integrated scattered light intensity is stronger in the blue w ...
... The blue-wing hump was more than 10% to 30% larger than the red-wing hump. This asymmetry feature has also been observed by Snyder and Bentley [7,8]. An example of such a Thomson scattering line profile is shown in figure 4. Although the integrated scattered light intensity is stronger in the blue w ...
fulltext (9)
... and became a homogeneous system. The pH of CMCTS aqueous solution was adjusted by the 0.1 M HClO4 or 0.1 M NaOH solution. After the CMCTS solution was mixed with appropriate concentration AgNO3 solution, the mixture solution was bubbled with high purity N2 for 30 min to remove oxygen and irradiated ...
... and became a homogeneous system. The pH of CMCTS aqueous solution was adjusted by the 0.1 M HClO4 or 0.1 M NaOH solution. After the CMCTS solution was mixed with appropriate concentration AgNO3 solution, the mixture solution was bubbled with high purity N2 for 30 min to remove oxygen and irradiated ...
Enhancement of absorption and color contrast in
... due to the nontrivial (not 0 or p) reflection phase shifts at interfaces between one or more lossy materials. These reflection phase shifts can “make up” for the propagation phase shift that would be accumulated in thicker films, leading to dramatically enhanced absorption in the already-lossy diele ...
... due to the nontrivial (not 0 or p) reflection phase shifts at interfaces between one or more lossy materials. These reflection phase shifts can “make up” for the propagation phase shift that would be accumulated in thicker films, leading to dramatically enhanced absorption in the already-lossy diele ...
Aalborg Universitet
... wavelength range of 450–850 nm, with different polarizations of the incident light, have immediately revealed the effect of ‘black gold’ for p-polarization (Fig. 2c,d). The experimental reflectivity spectra shown hereafter were calibrated using a broadband reference mirror so that the reflectivity d ...
... wavelength range of 450–850 nm, with different polarizations of the incident light, have immediately revealed the effect of ‘black gold’ for p-polarization (Fig. 2c,d). The experimental reflectivity spectra shown hereafter were calibrated using a broadband reference mirror so that the reflectivity d ...
X-ray Source
... peaks from the standard should NOT overlap with that from the tested sample. Second, the standard sample should NOT react with the tested sample. Pure materials such as Si, Ag in the powder form are frequently used. ...
... peaks from the standard should NOT overlap with that from the tested sample. Second, the standard sample should NOT react with the tested sample. Pure materials such as Si, Ag in the powder form are frequently used. ...
Fluorescence of coumarins and xanthenes after two
... laser for the two different excitation wavelengths, 770 and 825 nm. The xanthenes show a departure from the usually expected intensity square law. The sum N11t2 1 N21t2 of the model 1132 was fitted with s2n as a parameter and the constant values t21 5 1 ps for the relaxation time and t 5 100 fs for ...
... laser for the two different excitation wavelengths, 770 and 825 nm. The xanthenes show a departure from the usually expected intensity square law. The sum N11t2 1 N21t2 of the model 1132 was fitted with s2n as a parameter and the constant values t21 5 1 ps for the relaxation time and t 5 100 fs for ...
H2 Raman overtone intensities measured for
... the blackbody distribution function in the expression for the lamp spectrum must be rewritten in the form which gives the photon flux per unit frequency interval. In these experiments we were able to measure ratios of Raman intensities, corrected for instrumental spectral response variations, with a ...
... the blackbody distribution function in the expression for the lamp spectrum must be rewritten in the form which gives the photon flux per unit frequency interval. In these experiments we were able to measure ratios of Raman intensities, corrected for instrumental spectral response variations, with a ...
Scanning transmission soft x-ray microscopy at beamline X
... The formation of secondary mineral phases in the near and far field of a nuclear repository site is of paramount importance for the mobility of actinides and therefore a major concern in performance assessment analysis. Iron oxides/-hydroxides are the principal corrosion products of the stainless st ...
... The formation of secondary mineral phases in the near and far field of a nuclear repository site is of paramount importance for the mobility of actinides and therefore a major concern in performance assessment analysis. Iron oxides/-hydroxides are the principal corrosion products of the stainless st ...
Thickness dependence of amplified spontaneous emission in low-absorbing organic waveguides
... The influence on the ASE wavelength (λASE ) of changing h is depicted in Fig. 4. A tuning range of around 4 nm (i.e., λASE varying between 575.5 and 579.5 nm) was achieved. Two regimes were observed: (1) For h > 400 nm, λASE appears at a wavelength around 579.5 nm, and (2) for h < 400 nm and down to ...
... The influence on the ASE wavelength (λASE ) of changing h is depicted in Fig. 4. A tuning range of around 4 nm (i.e., λASE varying between 575.5 and 579.5 nm) was achieved. Two regimes were observed: (1) For h > 400 nm, λASE appears at a wavelength around 579.5 nm, and (2) for h < 400 nm and down to ...
Instruments for Optical Spectroscopy-Web
... If only few wavelengths are involved, periodicity (beat) is obvious when waves go in and out of phase. If broadband light source, pattern of beats hard to determine, signal power decreases with time as closely spaced wavelengths get more and more out of phase. Frequency domain spectra and time domai ...
... If only few wavelengths are involved, periodicity (beat) is obvious when waves go in and out of phase. If broadband light source, pattern of beats hard to determine, signal power decreases with time as closely spaced wavelengths get more and more out of phase. Frequency domain spectra and time domai ...
Electromagnetic Radiation (EMR) and Remote Sensing
... As the result, invisible ultraviolet radiation is greatly affected by Rayleigh scattering. Rayleigh scattering can be called small particle scattering. In visible light, blue wavelength at 0.4 m is scattered 5 times as the red wavelength at 0.6 m. This explains why the clear sky appears blue. The ...
... As the result, invisible ultraviolet radiation is greatly affected by Rayleigh scattering. Rayleigh scattering can be called small particle scattering. In visible light, blue wavelength at 0.4 m is scattered 5 times as the red wavelength at 0.6 m. This explains why the clear sky appears blue. The ...
Recoil-induced effects in passive and active atomic systems
... ence of the scattered and incident fields. The modulation is a consequence of the nonlinear absorption of the atoms in the standing wave produced by the counterpropagating radiation fields which induces a population difference grating with a period of half the radiation wavelength. The effects of th ...
... ence of the scattered and incident fields. The modulation is a consequence of the nonlinear absorption of the atoms in the standing wave produced by the counterpropagating radiation fields which induces a population difference grating with a period of half the radiation wavelength. The effects of th ...
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[PDF]
... Design of a parabolic reflector The samples that have to be irradiated would normally be situated underneath the lamp in a fixed position or moving over a conveyor belt. With the initial design of the lamp, most of the UV radiation emitted by the lamp was wasted, since only the portion directed to ...
... Design of a parabolic reflector The samples that have to be irradiated would normally be situated underneath the lamp in a fixed position or moving over a conveyor belt. With the initial design of the lamp, most of the UV radiation emitted by the lamp was wasted, since only the portion directed to ...
Atomic absorption spectroscopy
Atomic absorption spectroscopy (AAS) is a spectroanalytical procedure for the quantitative determination of chemical elements using the absorption of optical radiation (light) by free atoms in the gaseous state.In analytical chemistry the technique is used for determining the concentration of a particular element (the analyte) in a sample to be analyzed. AAS can be used to determine over 70 different elements in solution or directly in solid samples used in pharmacology, biophysics and toxicology research.Atomic absorption spectroscopy was first used as an analytical technique, and the underlying principles were established in the second half of the 19th century by Robert Wilhelm Bunsen and Gustav Robert Kirchhoff, both professors at the University of Heidelberg, Germany.The modern form of AAS was largely developed during the 1950s by a team of Australian chemists. They were led by Sir Alan Walsh at the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Division of Chemical Physics, in Melbourne, Australia.Atomic absorption spectrometry has many uses in different areas of chemistry such as: Clinical analysis: Analyzing metals in biological fluids and tissues such as whole blood, plasma, urine, saliva, brain tissue, liver, muscle tissue, semen Pharmaceuticals: In some pharmaceutical manufacturing processes, minute quantities of a catalyst that remain in the final drug product Water analysis: Analyzing water for its metal content.↑ ↑ ↑