State of the art in the determination of the fine structure constant: test
... of 20 m/s) which loads during 250 ms a three-dimensional magneto-optical trap. Then a σ+ -σ− molasses generates a cloud of about 2 × 108 atoms in the F = 2 hyperfine level, with a 1.7 mm radius and at a temperature of 4 µK. The 2D-MOT cell is a glass cell separated from a UHV-chamber by a differenti ...
... of 20 m/s) which loads during 250 ms a three-dimensional magneto-optical trap. Then a σ+ -σ− molasses generates a cloud of about 2 × 108 atoms in the F = 2 hyperfine level, with a 1.7 mm radius and at a temperature of 4 µK. The 2D-MOT cell is a glass cell separated from a UHV-chamber by a differenti ...
PDF
... nˆ(r ) (a unit vector with non-polar symmetry describing the local average molecular orientation) twists through 360° is called the cholesteric pitch p [10, 11]. CLCs can be composed of a single chemical compound with chiral molecules lacking mirror symmetry as well as of mixtures of a nematic host ...
... nˆ(r ) (a unit vector with non-polar symmetry describing the local average molecular orientation) twists through 360° is called the cholesteric pitch p [10, 11]. CLCs can be composed of a single chemical compound with chiral molecules lacking mirror symmetry as well as of mixtures of a nematic host ...
High pressure differential scanning calorimetry of the hydrothermal
... As in naturally occurring salt solutions typically more than one salt is dissolved, higher order mixtures are also of interest. In the phase diagrams of such solutions the properties of one binary mixture transform into the properties of the second binary mixture, and this leads to either continuous ...
... As in naturally occurring salt solutions typically more than one salt is dissolved, higher order mixtures are also of interest. In the phase diagrams of such solutions the properties of one binary mixture transform into the properties of the second binary mixture, and this leads to either continuous ...
conclusion
... controllable way is by plasma etching. However, there are several problems for these processes. A glass substrate contains quite a lot of metallic impurities, which are very difficult to remove by dry etching, when compared with a high quality SiO2 substrate or film. Those impurities act locally as ...
... controllable way is by plasma etching. However, there are several problems for these processes. A glass substrate contains quite a lot of metallic impurities, which are very difficult to remove by dry etching, when compared with a high quality SiO2 substrate or film. Those impurities act locally as ...
Kursat Sendur 2009 Opex1
... parameters, the development of efficient and accurate modeling and simulation tools for nearfield optical systems is necessary. In this study, an integral equation based numerical solution is developed for nano-optical particles when they are illuminated with collimated and focused incident beams. T ...
... parameters, the development of efficient and accurate modeling and simulation tools for nearfield optical systems is necessary. In this study, an integral equation based numerical solution is developed for nano-optical particles when they are illuminated with collimated and focused incident beams. T ...
Bismuth-doped optical fibers: a challenging active medium
... active materials that are suitable for the creation of fiber lasers and optical amplifiers in this spectral region. Previous attempts to develop efficient transition metal-doped active materials have been unsuccessful. In 2001, a paper that described broadband near-IR luminescence in Bi-doped silica ...
... active materials that are suitable for the creation of fiber lasers and optical amplifiers in this spectral region. Previous attempts to develop efficient transition metal-doped active materials have been unsuccessful. In 2001, a paper that described broadband near-IR luminescence in Bi-doped silica ...
Lecture 8
... • Thus the current at the working electrode is proportional to the concentration of ferrocene, which, in turn, is proportional to the concentration of glucose in blood. ...
... • Thus the current at the working electrode is proportional to the concentration of ferrocene, which, in turn, is proportional to the concentration of glucose in blood. ...
Radiative Transfer Theory - UCL Department of Geography
... of radiation through an elemental volume in the same way as the scalar form. Vectors are used to express polarisation coupling, as noted above. Depolarisation of incident horizontal and vertically polarised waves is an important part of the remote sensing signal. For a linearly polarised wave, the c ...
... of radiation through an elemental volume in the same way as the scalar form. Vectors are used to express polarisation coupling, as noted above. Depolarisation of incident horizontal and vertically polarised waves is an important part of the remote sensing signal. For a linearly polarised wave, the c ...
Li K-edge XANES and Li(1s) XPS Spectra of Lithium Compounds
... resemble those of alkaline-earth metal elements rather than other alkali metal elements. For a peculiar property of lithium, many researchers have extensively studied on lithium [3, 4]. However, there are no suitable analytical methods to get easily important information on the electronic states of ...
... resemble those of alkaline-earth metal elements rather than other alkali metal elements. For a peculiar property of lithium, many researchers have extensively studied on lithium [3, 4]. However, there are no suitable analytical methods to get easily important information on the electronic states of ...
Precision Velocity Measurements of Pulsed Supersonic Jets
... This approach assumes a linear movement and a uniform flow velocity. Both conditions are fulfilled for horizontally aligned flight paths and neutral particles, permitting the neglect of acceleration caused by electric, magnetic, and gravitational fields. Despite this simple concept, the exact distance t ...
... This approach assumes a linear movement and a uniform flow velocity. Both conditions are fulfilled for horizontally aligned flight paths and neutral particles, permitting the neglect of acceleration caused by electric, magnetic, and gravitational fields. Despite this simple concept, the exact distance t ...
Enpolarization and depolarization of light
... This density is plotted in Fig. 3 (dashed line) so that it can be compared to the density for R = 1/5 (blue curve). It is remarkable that the asymptotic density is followed as soon as 1/R = 5. It is also worth to retain that when the spectral characteristics of incident light and scattering coeffici ...
... This density is plotted in Fig. 3 (dashed line) so that it can be compared to the density for R = 1/5 (blue curve). It is remarkable that the asymptotic density is followed as soon as 1/R = 5. It is also worth to retain that when the spectral characteristics of incident light and scattering coeffici ...
Proposal - MISC Lab
... AC9 or ACS instruments, spectral backscatter, and particle size spectra with the LISST100. Both this set of measurements and the following item are important for interpreting remotely sensed ocean color observations. ...
... AC9 or ACS instruments, spectral backscatter, and particle size spectra with the LISST100. Both this set of measurements and the following item are important for interpreting remotely sensed ocean color observations. ...
Handout - UNT Chemistry
... respectively. Consider the electrochemical cell, Mg(s)|Mg2+(1.8 M)||Al3+(0.001 M)|Al(s). (a) Write the balanced equation for this reaction, and indicate the number of electrons transfered. (b) Calculate the standard cell potential, Eocell, for the reaction. (c) Calculate the equilibrium constant for ...
... respectively. Consider the electrochemical cell, Mg(s)|Mg2+(1.8 M)||Al3+(0.001 M)|Al(s). (a) Write the balanced equation for this reaction, and indicate the number of electrons transfered. (b) Calculate the standard cell potential, Eocell, for the reaction. (c) Calculate the equilibrium constant for ...
Kinetics and Equilibrium ___ 1. In a chemical reaction the use of a
... ___ 41. A catalyst can increase the rate of a chemical reaction by (1) increasing the value of the equilibrium constant; (2) increasing the energy of the products; (3) decreasing the energy of the products; (4) decreasing the required activation energy. ___ 42. For a chemical system at equilibrium ...
... ___ 41. A catalyst can increase the rate of a chemical reaction by (1) increasing the value of the equilibrium constant; (2) increasing the energy of the products; (3) decreasing the energy of the products; (4) decreasing the required activation energy. ___ 42. For a chemical system at equilibrium ...
Equilibrium a.k.a. The Up Hill Climb
... It must be less than 5% of the original concentration to be valid. 2. If "x" is necessary, then see if the problem may be a perfect square and thus, ease the steps of solving. (Sometimes you must use the quadratic formula!) ...
... It must be less than 5% of the original concentration to be valid. 2. If "x" is necessary, then see if the problem may be a perfect square and thus, ease the steps of solving. (Sometimes you must use the quadratic formula!) ...
Theory and experimental verification of Kapitza-Dirac-Talbot
... beam velocity of 100 m/s, and yet the matter wave phase shift can attain the value of several radians in the center of the slit opening. The interaction effect gets even stronger close to the slit walls, to a degree that the wave front distortion can no longer be described by a phase shift alone [12 ...
... beam velocity of 100 m/s, and yet the matter wave phase shift can attain the value of several radians in the center of the slit opening. The interaction effect gets even stronger close to the slit walls, to a degree that the wave front distortion can no longer be described by a phase shift alone [12 ...
Fabrication of Cube Beamsplitters for White Light Interferometry
... Roland Geyl, David Rimmer, Lingli Wang, Proceedings of SPIE Vol. 5252 (SPIE, Bellingham, WA, 2004) · 0277-786X/04/$15 · doi: 10.1117/12.513440 ...
... Roland Geyl, David Rimmer, Lingli Wang, Proceedings of SPIE Vol. 5252 (SPIE, Bellingham, WA, 2004) · 0277-786X/04/$15 · doi: 10.1117/12.513440 ...
Ultraviolet–visible spectroscopy
Ultraviolet–visible spectroscopy or ultraviolet-visible spectrophotometry (UV-Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet-visible spectral region. This means it uses light in the visible and adjacent (near-UV and near-infrared [NIR]) ranges. The absorption or reflectance in the visible range directly affects the perceived color of the chemicals involved. In this region of the electromagnetic spectrum, molecules undergo electronic transitions. This technique is complementary to fluorescence spectroscopy, in that fluorescence deals with transitions from the excited state to the ground state, while absorption measures transitions from the ground state to the excited state.