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SR Beamlines in the VUV
... Fermat’s principle: the pathlength of an actual ray traveling from a point A to a point B takes an extremal or stationary value. dF=0, where F is the pathlength from A to B. F: light path function The red ray meets the grating at a point P(,w,l) on the nth groove, the zeroth groove being assumed to ...
... Fermat’s principle: the pathlength of an actual ray traveling from a point A to a point B takes an extremal or stationary value. dF=0, where F is the pathlength from A to B. F: light path function The red ray meets the grating at a point P(,w,l) on the nth groove, the zeroth groove being assumed to ...
Concept Development Studies in Chemistry
... exhibit elemental iron's color, density, hardness, magnetism, etc. Since the properties of the elements are not maintained by the compound, then the compound must not be a simple mixture of the elements. We could, of course, jump directly to the answers to these questions by stating that the element ...
... exhibit elemental iron's color, density, hardness, magnetism, etc. Since the properties of the elements are not maintained by the compound, then the compound must not be a simple mixture of the elements. We could, of course, jump directly to the answers to these questions by stating that the element ...
Synthesis, crystal structure and vibrational spectra
... Research undertaken the latter years in our laboratory has shown the relationships between the structure and the luminescent properties of the silver ion in the condensed phosphates Na1−xAgx M(PO3)3 (M=Mg, Zn, Ba) [1] and [2] and in the diphosphates Na2−x AgxZnP2O7 [3] and [4] where the two luminesc ...
... Research undertaken the latter years in our laboratory has shown the relationships between the structure and the luminescent properties of the silver ion in the condensed phosphates Na1−xAgx M(PO3)3 (M=Mg, Zn, Ba) [1] and [2] and in the diphosphates Na2−x AgxZnP2O7 [3] and [4] where the two luminesc ...
pdf
... This is a physics thesis. I have written down extensive technical details on the construction of a machine built at MIT to produce Bose-Einstein condensates of 87 Rubidium atoms. In addition I describe the results of a series of experiments demonstrating the quantum Zeno effect performed with this a ...
... This is a physics thesis. I have written down extensive technical details on the construction of a machine built at MIT to produce Bose-Einstein condensates of 87 Rubidium atoms. In addition I describe the results of a series of experiments demonstrating the quantum Zeno effect performed with this a ...
Full-Text PDF
... results [15]. However, the utility of OCT in skin lesion diagnosis has not been established yet and accuracy studies are still missing [16]. Infrared thermography can be used to detect the local higher warmth developed by cancerous lesions that are metabolically more active than healthy tissue [17]. ...
... results [15]. However, the utility of OCT in skin lesion diagnosis has not been established yet and accuracy studies are still missing [16]. Infrared thermography can be used to detect the local higher warmth developed by cancerous lesions that are metabolically more active than healthy tissue [17]. ...
"Positron-impact ionization, positronium formation, and electronic excitation cross sections for diatomic molecules" Phys. Rev. A 72 (2005), 062713. J. P. Marler and C.M. Surko (PDF)
... direct ionization, and total ionization of the diatomic molecules N2, CO, and O2, in the range of energies from threshold to 90 eV. Cross sections for the electronic excitation of the a 1⌸ and a⬘ 1⌺ state in N2 and the A 1⌸ state in CO near threshold are also presented. The experiment uses a cold, t ...
... direct ionization, and total ionization of the diatomic molecules N2, CO, and O2, in the range of energies from threshold to 90 eV. Cross sections for the electronic excitation of the a 1⌸ and a⬘ 1⌺ state in N2 and the A 1⌸ state in CO near threshold are also presented. The experiment uses a cold, t ...
SENSITIZATION OF LANTHANIDE IONS BY TRIARYLBORON FUNCTIONALIZED B-DIKETONES
... Figure 1.12 A mechanochromic difluoroboron β-diketonate that shows yellow emission after pressure is applied.65 ..................................................................................................................................................... 16 Figure 1.13 The fluorescence color ...
... Figure 1.12 A mechanochromic difluoroboron β-diketonate that shows yellow emission after pressure is applied.65 ..................................................................................................................................................... 16 Figure 1.13 The fluorescence color ...
SQA CfE Higher Chemistry Unit 1: Chemical Changes and Structure
... Collision theory, based on the kinetic model of matter, provides an explanation for the effect that various factors have on the rate of chemical reactions in terms of the number of successful collisions which occur. Collision theory can be stated thus: • particles must collide to react. • not all co ...
... Collision theory, based on the kinetic model of matter, provides an explanation for the effect that various factors have on the rate of chemical reactions in terms of the number of successful collisions which occur. Collision theory can be stated thus: • particles must collide to react. • not all co ...
Nitrate and Nitrite Ultraviolet Actinometers - SUNY-ESF
... We developed nitrate and nitrite actinometers to determine radiant fluxes from 290 to 410 nm. These actinometers are based on the reaction of the photochemically generated OH radical with benzoic acid to form salicylic acid (SA) and p-hydroxybenzoic acid (pHBA). Actinometer development included dete ...
... We developed nitrate and nitrite actinometers to determine radiant fluxes from 290 to 410 nm. These actinometers are based on the reaction of the photochemically generated OH radical with benzoic acid to form salicylic acid (SA) and p-hydroxybenzoic acid (pHBA). Actinometer development included dete ...
Thesis-KM-oct11
... frequency data over a certain mass area and frequency range into a single data matrix. This data matrix can be turned into a detailed 2D map of the measured area using commercial software such as Igor Pro and Labview which enables us to see important connections between formations of the various ion ...
... frequency data over a certain mass area and frequency range into a single data matrix. This data matrix can be turned into a detailed 2D map of the measured area using commercial software such as Igor Pro and Labview which enables us to see important connections between formations of the various ion ...
Thesis-KM-oct11
... frequency data over a certain mass area and frequency range into a single data matrix. This data matrix can be turned into a detailed 2D map of the measured area using commercial software such as Igor Pro and Labview which enables us to see important connections between formations of the various ion ...
... frequency data over a certain mass area and frequency range into a single data matrix. This data matrix can be turned into a detailed 2D map of the measured area using commercial software such as Igor Pro and Labview which enables us to see important connections between formations of the various ion ...
Nanoconcentration of terahertz radiation in
... terahertz radiation (frequency 1 − 10 THz or vacuum wavelength λ 0 = 300 − 30 μ m). This will allow for the nanoscale spatial resolution for THz imaging [10] and introduce the THz spectroscopy on the nanoscale, taking full advantage of the rich THz spectra and submicron to nanoscale structures of ma ...
... terahertz radiation (frequency 1 − 10 THz or vacuum wavelength λ 0 = 300 − 30 μ m). This will allow for the nanoscale spatial resolution for THz imaging [10] and introduce the THz spectroscopy on the nanoscale, taking full advantage of the rich THz spectra and submicron to nanoscale structures of ma ...
Pulsed photoacoustic techniques and glucose determination in
... with a streak camera. A photoacoustic apparatus comprising a pulsed laser diode and a piezoelectric transducer was built and applied to measure glucose concentration in water and scattering media. Moreover, this apparatus was also used to non-invasive experiment on human fingers. The measurements sh ...
... with a streak camera. A photoacoustic apparatus comprising a pulsed laser diode and a piezoelectric transducer was built and applied to measure glucose concentration in water and scattering media. Moreover, this apparatus was also used to non-invasive experiment on human fingers. The measurements sh ...
INFLUENCE OF OPTICAL PROPERTIES AND FIBERSEPARATION ON LASER DOPPLER FLOWMETRY
... coefficient. However, their results are restricted to fiber separations larger than 1 mm, a range were LDF is rarely used. It has been observed that LDF perfusion varies both intra and interindividually.7 The origin of these variations are rather complex and might, as described above, not only depen ...
... coefficient. However, their results are restricted to fiber separations larger than 1 mm, a range were LDF is rarely used. It has been observed that LDF perfusion varies both intra and interindividually.7 The origin of these variations are rather complex and might, as described above, not only depen ...
Enhanced directional excitation and emission of single emitters by a
... emission; their modes both radiate and are excited with a dipolar angular dependence. Ideally an optical antenna has a high directivity; this enhances the interaction with a set of directed radiation modes, facilitating efficient excitation and the detection of emission. The common Yagi-Uda antenna ...
... emission; their modes both radiate and are excited with a dipolar angular dependence. Ideally an optical antenna has a high directivity; this enhances the interaction with a set of directed radiation modes, facilitating efficient excitation and the detection of emission. The common Yagi-Uda antenna ...
High-Speed Non-Volatile Optical Memory: Achievements and
... the second channel is basically unknown, non-volatile memory has to be used in the router. Routers made of electrical components are installed in modern optical networks. Routers, which can process data at speeds up to 10 GBit/s, are already commercially available. Now significant efforts are applie ...
... the second channel is basically unknown, non-volatile memory has to be used in the router. Routers made of electrical components are installed in modern optical networks. Routers, which can process data at speeds up to 10 GBit/s, are already commercially available. Now significant efforts are applie ...
Optical properties of cylindrical nanowires
... approach it is possible to describe the optical and electronic properties for varying wire thickness and for a wide range of semiconductor materials. Contrary, ab initio methods using a fully atomistic description (tight-binding, pseudo-potential,...) are limited with respect to the dimensions of th ...
... approach it is possible to describe the optical and electronic properties for varying wire thickness and for a wide range of semiconductor materials. Contrary, ab initio methods using a fully atomistic description (tight-binding, pseudo-potential,...) are limited with respect to the dimensions of th ...
Sample Exercise 2.1
... Write the balanced equation for the reaction that occurs when methanol, CH 3OH(l), is burned in air. Solution When any compound containing C, H, and O is combusted, it reacts with the O 2(g) in air to produce CO2(g) and H2O(g). Thus, the unbalanced equation is CH3OH(l) + O2(g) → CO2(g) + H2O(g) In t ...
... Write the balanced equation for the reaction that occurs when methanol, CH 3OH(l), is burned in air. Solution When any compound containing C, H, and O is combusted, it reacts with the O 2(g) in air to produce CO2(g) and H2O(g). Thus, the unbalanced equation is CH3OH(l) + O2(g) → CO2(g) + H2O(g) In t ...
Photoemission Spectroscopy of a Strongly Interacting Fermi Gas
... Phillip Anderson laid out the basic premise for why we study large and complicated systems like materials or quantum gases in his oft cited paper “More is different [27]”. He writes that even if “the elementary entities of science X obey the laws of science Y ... this hierarchy does not imply that sc ...
... Phillip Anderson laid out the basic premise for why we study large and complicated systems like materials or quantum gases in his oft cited paper “More is different [27]”. He writes that even if “the elementary entities of science X obey the laws of science Y ... this hierarchy does not imply that sc ...
Predicting nonlinear properties of metamaterials from the linear
... of nonlinear susceptibilities from linear properties. In recent years, metamaterials, artificial materials that exhibit intriguing linear optical properties not found in natural materials6 , have shown novel nonlinear properties such as phase-mismatch-free nonlinear generation7 , new quasi-phase mat ...
... of nonlinear susceptibilities from linear properties. In recent years, metamaterials, artificial materials that exhibit intriguing linear optical properties not found in natural materials6 , have shown novel nonlinear properties such as phase-mismatch-free nonlinear generation7 , new quasi-phase mat ...
Sub-wavelength grating for enhanced ring resonator biosensor
... diagnostic assays require lower detection limits [24] requiring secondary amplification [25]. While achieving clinically relevant sensitivities includes both robust surface chemistries that resist fouling while allowing high densities of capture molecules and the native performance of the sensor, ma ...
... diagnostic assays require lower detection limits [24] requiring secondary amplification [25]. While achieving clinically relevant sensitivities includes both robust surface chemistries that resist fouling while allowing high densities of capture molecules and the native performance of the sensor, ma ...
Microscopy - Frank`s Hospital Workshop
... An additional technique using interference is interference reflection microscopy (also known as reflected interference contrast, or RIC). It is used to examine the adhesion of cells to a glass surface, using polarized light of a narrow range of wavelengths to be reflected whenever there is an interf ...
... An additional technique using interference is interference reflection microscopy (also known as reflected interference contrast, or RIC). It is used to examine the adhesion of cells to a glass surface, using polarized light of a narrow range of wavelengths to be reflected whenever there is an interf ...
X-ray fluorescence
![](https://commons.wikimedia.org/wiki/Special:FilePath/LDAutoXRFPic.jpg?width=300)
X-ray fluorescence (XRF) is the emission of characteristic ""secondary"" (or fluorescent) X-rays from a material that has been excited by bombarding with high-energy X-rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis, particularly in the investigation of metals, glass, ceramics and building materials, and for research in geochemistry, forensic science and archaeology.