Microscopy - Frank`s Hospital Workshop
... This method is of critical importance in the modern life sciences, as it can be extremely sensitive, allowing the detection of single molecules. Many different fluorescent dyes can be used to stain different structures or chemical compounds. One particularly powerful method is the combination of ant ...
... This method is of critical importance in the modern life sciences, as it can be extremely sensitive, allowing the detection of single molecules. Many different fluorescent dyes can be used to stain different structures or chemical compounds. One particularly powerful method is the combination of ant ...
PHOTON STATISTICS IN SCINTILLATION CRYSTALS
... 4.20 Energy spectrum of LaBr3 :Ce with R9880U-100-02 PMTS. . . . . . 4.21 Model for the relationship between the normalized AUCCC and the Fano factor for LaBr3 :Ce. . . . . . . . . . . . . . . . . . . . . . . . 4.22 Model for the relationship between the normalized AUCCC and the Fano factor for YAP: ...
... 4.20 Energy spectrum of LaBr3 :Ce with R9880U-100-02 PMTS. . . . . . 4.21 Model for the relationship between the normalized AUCCC and the Fano factor for LaBr3 :Ce. . . . . . . . . . . . . . . . . . . . . . . . 4.22 Model for the relationship between the normalized AUCCC and the Fano factor for YAP: ...
Three-Dimensional Simulation of Vertical-Cavity Surface
... single interfaces for lossless layers, however, it reaches a maximum if absorption is present. Therefore it is essential to use materials with large enough index contrast to achieve the necessary feedback level. A second stringent condition on mirror formation is the need for matching the lattice co ...
... single interfaces for lossless layers, however, it reaches a maximum if absorption is present. Therefore it is essential to use materials with large enough index contrast to achieve the necessary feedback level. A second stringent condition on mirror formation is the need for matching the lattice co ...
Yu Chen
... as Indocyanine Green (ICG). Fluorescence imaging also gives high sensitivity and specificity for biomedical diagnosis. Recent developments on specific-targeting fluorophores such as molecular beacons offer high contrast between normal and cancerous tissues, hence provide promising means for early tu ...
... as Indocyanine Green (ICG). Fluorescence imaging also gives high sensitivity and specificity for biomedical diagnosis. Recent developments on specific-targeting fluorophores such as molecular beacons offer high contrast between normal and cancerous tissues, hence provide promising means for early tu ...
Specialty flat-top beam delivery fibers with controlled beam
... The goal of this study is to propose an all-fiber solution to achieve beam shaping and beam control while offering the advantages of monolithic fiber-based systems: low-loss, low-maintenance, small footprint and cost-effectiveness. Therefore, the scope of this work has been limited to single-fiber t ...
... The goal of this study is to propose an all-fiber solution to achieve beam shaping and beam control while offering the advantages of monolithic fiber-based systems: low-loss, low-maintenance, small footprint and cost-effectiveness. Therefore, the scope of this work has been limited to single-fiber t ...
Microscopic Probing and Manipulation of Ultracold
... techniques to probe the quantum correlations indirectly, i.e. to globally map the microscopic correlation effects onto macroscopic observables. Such probing techniques include for example Hanbury Brown–Twiss-like experiments to reveal bunching and antibunching effects of bosonic and fermionic atoms ...
... techniques to probe the quantum correlations indirectly, i.e. to globally map the microscopic correlation effects onto macroscopic observables. Such probing techniques include for example Hanbury Brown–Twiss-like experiments to reveal bunching and antibunching effects of bosonic and fermionic atoms ...
Fiber-based optical parametric amplifiers and their applications
... are substantially relaxed and it still offers the important properties of high differential gain, optional wavelength conversion and operation at an arbitrary wavelength. As the Kerr effect, similarly to the Raman process, relies on nonlinear interactions in the fiber, the intrinsic gain response ti ...
... are substantially relaxed and it still offers the important properties of high differential gain, optional wavelength conversion and operation at an arbitrary wavelength. As the Kerr effect, similarly to the Raman process, relies on nonlinear interactions in the fiber, the intrinsic gain response ti ...
Multimode Pumping of Optical Parametric Oscillators
... For a Laguerre-Gaussian beam composed of n modes, the rod. By appropriate overlap of the diode outputs in the center factor above threshold f ( r ,t ) varies spatially, with distance T of the laser medium, a quasi-Gaussian gain distribution was achieved. When a Gaussian reflectivity mirror [lo] was ...
... For a Laguerre-Gaussian beam composed of n modes, the rod. By appropriate overlap of the diode outputs in the center factor above threshold f ( r ,t ) varies spatially, with distance T of the laser medium, a quasi-Gaussian gain distribution was achieved. When a Gaussian reflectivity mirror [lo] was ...
Laser and Gaussian Beam Propagation and Transformation
... same for any meridional plane containing the axis of propagation. Indeed, we did an easy calculation of the encircled energy for a circular beam by using these symmetry considerations (see Fig. 3). However, this is not the general case for a Gaussian beam.[39–41] For example, when a beam is transfor ...
... same for any meridional plane containing the axis of propagation. Indeed, we did an easy calculation of the encircled energy for a circular beam by using these symmetry considerations (see Fig. 3). However, this is not the general case for a Gaussian beam.[39–41] For example, when a beam is transfor ...
OpticalDiagnostics-ScatteringDiagnostics
... deviation we need an electron temperature of 2.56 keV. Also there is a “search light” effect or relativistic aberration, which means that the electrons radiate preferentially in their forward direction. E.g. moving at 10% of c, then power in forward direction increases by 36%, it decreases by 26% in ...
... deviation we need an electron temperature of 2.56 keV. Also there is a “search light” effect or relativistic aberration, which means that the electrons radiate preferentially in their forward direction. E.g. moving at 10% of c, then power in forward direction increases by 36%, it decreases by 26% in ...
Femtosecond spectroscopy of solid hydrogen - diss.fu
... linewidths in solid hydrogen. Therefore, solid hydrogen became an interesting host for the modern matrix isolation techniques that were developed by George Pimentel during the 1950’s [8–11]. The initial motivation of matrix isolation spectroscopy (MIS) was to study short lived reactive species, whic ...
... linewidths in solid hydrogen. Therefore, solid hydrogen became an interesting host for the modern matrix isolation techniques that were developed by George Pimentel during the 1950’s [8–11]. The initial motivation of matrix isolation spectroscopy (MIS) was to study short lived reactive species, whic ...
Numerical Analysis of Orbital Angular Momentum Based Next
... Integrating equations (2), (3) and (4) in equation (1), with λ = 1550nm, we developed a MATLAB program to simulate the electric field intensity of a Gaussian vortex beam as a function of the topological charge “l” (Fig. 1). We can see in Fig. 1 that the wave fronts of Gaussian vortex beams rotate ar ...
... Integrating equations (2), (3) and (4) in equation (1), with λ = 1550nm, we developed a MATLAB program to simulate the electric field intensity of a Gaussian vortex beam as a function of the topological charge “l” (Fig. 1). We can see in Fig. 1 that the wave fronts of Gaussian vortex beams rotate ar ...
Get PDF - OSA Publishing
... results into an electromagnetically induced grating (EIG) [13, 14], which possesses photonic band gap (PBG) structure as shown in Fig. 1(c). Such EIG has a potential use in all optical switching [15], manipulation of light propagation to create a tunable photonic band gap [16, 17].This research can ...
... results into an electromagnetically induced grating (EIG) [13, 14], which possesses photonic band gap (PBG) structure as shown in Fig. 1(c). Such EIG has a potential use in all optical switching [15], manipulation of light propagation to create a tunable photonic band gap [16, 17].This research can ...
Fluctuations in Quantum Degenerate Fermi Gases
... typically still noisy, but now the noise reflects fundamental properties of the studied system. Measuring the voltage drop across an electrical resistor is a good example. Initially technical noise in the measurement device - for instance an oscilloscope - might be the limiting factor, but eventually ...
... typically still noisy, but now the noise reflects fundamental properties of the studied system. Measuring the voltage drop across an electrical resistor is a good example. Initially technical noise in the measurement device - for instance an oscilloscope - might be the limiting factor, but eventually ...
moiré technique
... However, if the point source and the viewing point are placed at equal heights above the surface and if the surface height variations are negligible compared to l,l then tan α + tanβ will be constant across the surface resulting in a constant contour interval. This is a good solution, solution espec ...
... However, if the point source and the viewing point are placed at equal heights above the surface and if the surface height variations are negligible compared to l,l then tan α + tanβ will be constant across the surface resulting in a constant contour interval. This is a good solution, solution espec ...
Theory and Practice of Scanning Optical Microscopy - X
... The important feature here is that the intensity variation with distance from the optic axis is independent of the value of u within the range of the Fresnel approximation, that is the depth of focus is exceedingly large. As the beam propagates the radiation diffracts away from the axis, but power i ...
... The important feature here is that the intensity variation with distance from the optic axis is independent of the value of u within the range of the Fresnel approximation, that is the depth of focus is exceedingly large. As the beam propagates the radiation diffracts away from the axis, but power i ...
國 立 交 通 大 學
... isolation scheme as CMOS technologies are scaled down below 0.25µm generation. This technique has the advantages of having no bird’s beak and no encroachment. When two devices are separated by a trench, the electrical field lines have to travel a longer distance and change direction twice, so there ...
... isolation scheme as CMOS technologies are scaled down below 0.25µm generation. This technique has the advantages of having no bird’s beak and no encroachment. When two devices are separated by a trench, the electrical field lines have to travel a longer distance and change direction twice, so there ...
Paraxial propagation of Mathieu beams through an apertured ABCD
... Keywords: Nondiffracting beams; Mathieu beams; Angular spectrum; Bessel beams; Collins formula; Aperture function ...
... Keywords: Nondiffracting beams; Mathieu beams; Angular spectrum; Bessel beams; Collins formula; Aperture function ...
AS/A level
... 1 mol of a gas occupies 24.0 dm3 at 298 K and 1 atm. Calculate the temperature at which it occupies 25.0 dm3 at the same pressure. ...
... 1 mol of a gas occupies 24.0 dm3 at 298 K and 1 atm. Calculate the temperature at which it occupies 25.0 dm3 at the same pressure. ...
2001 - Institute of Applied Physics - Friedrich-Schiller
... combining large angles of profiles and non-paraxial incident waves may lead to spherical aberrations. In this case it is necessary to use special design methods which consider these effects. We want to present a special beam shaping task for an application in safety engineering, in which beam shapin ...
... combining large angles of profiles and non-paraxial incident waves may lead to spherical aberrations. In this case it is necessary to use special design methods which consider these effects. We want to present a special beam shaping task for an application in safety engineering, in which beam shapin ...
Gaseous detection device
The gaseous detection device-GDD is a method and apparatus for the detection of signals in the gaseous environment of an environmental scanning electron microscope (ESEM) and all scanned beam type of instruments that allow a minimum gas pressure for the detector to operate.