Second-harmonic generation of amplified femtosecond Ti:sapphire
... A rather different situation occurs, however, when the power of the pump beam is chosen to be 50 times higher (150 GW cm–2 ). In this case an efficient conversion already takes place within a short distance from the input face of the crystal. The second-harmonic pulse containing the major part of th ...
... A rather different situation occurs, however, when the power of the pump beam is chosen to be 50 times higher (150 GW cm–2 ). In this case an efficient conversion already takes place within a short distance from the input face of the crystal. The second-harmonic pulse containing the major part of th ...
Substitutional Effects of 3d Transition Metals on
... was contained in a 25-ml Vesuvius yttria-stabilized zirconia crucible. The electrolyses were carried out at 980}10003C with Pt electrodes for periods of 2}24 hours employing currents of 20}35 mA. The initial runs produced small quantities (several milligrams) of an unidenti"ed needle-like, cobalt-co ...
... was contained in a 25-ml Vesuvius yttria-stabilized zirconia crucible. The electrolyses were carried out at 980}10003C with Pt electrodes for periods of 2}24 hours employing currents of 20}35 mA. The initial runs produced small quantities (several milligrams) of an unidenti"ed needle-like, cobalt-co ...
coefficient extinction molar riboflavin
... absorption due to the cuvette, water, and variations of the light intensity of the light source, monochromator, etc. Second, measure the zero by inserting the beam block. This corrects the instrument for the detector background. Third, measure your sample. This is the raw I. The Cary 50 automaticall ...
... absorption due to the cuvette, water, and variations of the light intensity of the light source, monochromator, etc. Second, measure the zero by inserting the beam block. This corrects the instrument for the detector background. Third, measure your sample. This is the raw I. The Cary 50 automaticall ...
Yamanashi Prefecture
... In 2005, the company relocated its head office to Hokuto City, thus increasing its production capacity greatly. With the growth of optical communication demand, the high-performance, high-quality single crystals are getting important key materials. Although the market is still in its early stage, th ...
... In 2005, the company relocated its head office to Hokuto City, thus increasing its production capacity greatly. With the growth of optical communication demand, the high-performance, high-quality single crystals are getting important key materials. Although the market is still in its early stage, th ...
The Setup, Design, and Implementation of a Photoluminescence Experiment on Quantum Wells
... fastening it down. Also, the mount is crude and does not have a way for the angle with respect to the beam to be adjusted, which would make placing the filter at precisely the Brewster’s angle ...
... fastening it down. Also, the mount is crude and does not have a way for the angle with respect to the beam to be adjusted, which would make placing the filter at precisely the Brewster’s angle ...
Diffraction
... Now consider the case where a front smooth wave is running on a slit. If this slit is large compared to the wavelength of the light, the wave properties are not observable. Consequently, the slit must be in the order of magnitude of the wavelength of the light used. Now consider Figure 1.1. There, i ...
... Now consider the case where a front smooth wave is running on a slit. If this slit is large compared to the wavelength of the light, the wave properties are not observable. Consequently, the slit must be in the order of magnitude of the wavelength of the light used. Now consider Figure 1.1. There, i ...
Coherence - Studentportalen
... The angle is thus much smaller, and naturally the angle should be much smaller than the one corresponding to the first diffraction minimum. The transverse coherence width at a distance z from the aperture is then lt ...
... The angle is thus much smaller, and naturally the angle should be much smaller than the one corresponding to the first diffraction minimum. The transverse coherence width at a distance z from the aperture is then lt ...
Generation and application of a high-average- power polarized soft-x-ray laser beam
... 17.6 nm. Figures 5(a) and 5(b) show the measured diffraction efficiency for p-polarization and unpolarized radiation, respectively, for incidence angles of 60°, 70°, and 80°. Measurements were conducted for all the diffraction orders present at each of the incidence angles. The results shown are the ...
... 17.6 nm. Figures 5(a) and 5(b) show the measured diffraction efficiency for p-polarization and unpolarized radiation, respectively, for incidence angles of 60°, 70°, and 80°. Measurements were conducted for all the diffraction orders present at each of the incidence angles. The results shown are the ...
Simulating and optimizing compound refractive lens-based X
... (Morgan et al., 2015) and 20 nm (Vila-Comamala et al., 2012) have been reported from microscopes based on mirrors, multilayer Laue lenses and Fresnel zone plates, respectively. Nonetheless, the advantages of CRLs make them uniquely suitable for in situ experiments where efficiency, large working dis ...
... (Morgan et al., 2015) and 20 nm (Vila-Comamala et al., 2012) have been reported from microscopes based on mirrors, multilayer Laue lenses and Fresnel zone plates, respectively. Nonetheless, the advantages of CRLs make them uniquely suitable for in situ experiments where efficiency, large working dis ...
lab sheet - Faculty of Engineering
... Figure 2(d) Schematic view of Brewster angle experiment 3) Set the rotation stage (RSP-IT) angle to 0. Rotate the stage so that the beam reflected from the slide is sent back along the input beam (normal incidence). (Note: You can use the index card with the hole in it to set the beam). Tighten the ...
... Figure 2(d) Schematic view of Brewster angle experiment 3) Set the rotation stage (RSP-IT) angle to 0. Rotate the stage so that the beam reflected from the slide is sent back along the input beam (normal incidence). (Note: You can use the index card with the hole in it to set the beam). Tighten the ...
Optical Processing for Pattern Properties
... FIG.3. TWOsamples of regular A and irregular B distribution of straight lines with corresponding spectra C and D.In E and F are shown the corresponding angular intensity distributions. The curves G and N shows the effect of decreasing the length of the vertical lines to half their original value G ...
... FIG.3. TWOsamples of regular A and irregular B distribution of straight lines with corresponding spectra C and D.In E and F are shown the corresponding angular intensity distributions. The curves G and N shows the effect of decreasing the length of the vertical lines to half their original value G ...
HEAVY ION BEAM ACCELERATION
... K130 variable energy cyclotron are as follows: The charge to mass ratio (q/m) of the heavy ions that will be accelerated in K130 cyclotron has been considered to be 0.25 taking into account the maximum achievable average magnetic field and lowest radio-frequency of the accelerating voltage. For ...
... K130 variable energy cyclotron are as follows: The charge to mass ratio (q/m) of the heavy ions that will be accelerated in K130 cyclotron has been considered to be 0.25 taking into account the maximum achievable average magnetic field and lowest radio-frequency of the accelerating voltage. For ...
TEM - Department of Mechanical Engineering
... allow for different vacuum levels in specific areas, such as a higher vacuum of 10−4 to 10−7 Pa or higher in the electron gun in high resolution or field emission TEMs. High-voltage TEMs require ultra high vacuums on the range of 10−7 to 10−9 Pa to prevent generation of an electrical arc, particular ...
... allow for different vacuum levels in specific areas, such as a higher vacuum of 10−4 to 10−7 Pa or higher in the electron gun in high resolution or field emission TEMs. High-voltage TEMs require ultra high vacuums on the range of 10−7 to 10−9 Pa to prevent generation of an electrical arc, particular ...
CHAPTER 3 Optical Components of Spectrometers
... independently of each other. • The incident radiation consists of parallel rays, perpendicular to the surface of the absorbing medium. • The path length traversed is uniform over the cross section of the beam. (All rays traverse an equal distance of the absorbing medium.) • The absorbing medium is h ...
... independently of each other. • The incident radiation consists of parallel rays, perpendicular to the surface of the absorbing medium. • The path length traversed is uniform over the cross section of the beam. (All rays traverse an equal distance of the absorbing medium.) • The absorbing medium is h ...
Technology for a better society
... The resolution of an electron microscope is more complex. Image "resolution" is a measure of the spatial frequencies transferred from the image amplitude spectrum (exit-surface wavefunction) into the image intensity spectrum (the Fourier transform of the image intensity). This transfer is affected b ...
... The resolution of an electron microscope is more complex. Image "resolution" is a measure of the spatial frequencies transferred from the image amplitude spectrum (exit-surface wavefunction) into the image intensity spectrum (the Fourier transform of the image intensity). This transfer is affected b ...
Absorption of low-loss optical materials measured at 1064 nm by a
... measurements recorded on one of our best samples, which had an absorption coefficient of 0.6 ppm兾cm at 1064 nm. The two measurements differ in the choice of the modulation scheme. The 0.1-ppm兾cm signal offset in the figure was induced by some light coming from the pump laser. We calculated that this ...
... measurements recorded on one of our best samples, which had an absorption coefficient of 0.6 ppm兾cm at 1064 nm. The two measurements differ in the choice of the modulation scheme. The 0.1-ppm兾cm signal offset in the figure was induced by some light coming from the pump laser. We calculated that this ...
Holography - Princeton University
... Set up the optics to produce a transmission hologram. From Figures 1 and 2 one can see that you’ll want to set up a reference beam that illuminates the holder for the film. The other beam from the laser should illuminate the object and reflect off of it so that it interferes with the reference beam ...
... Set up the optics to produce a transmission hologram. From Figures 1 and 2 one can see that you’ll want to set up a reference beam that illuminates the holder for the film. The other beam from the laser should illuminate the object and reflect off of it so that it interferes with the reference beam ...
VII-3
... • If light is traveling through homogeneous isotropic media without obstacles Huygens’ principle gives us the same results as ray (geometrical) optics including effects as reflection and refraction. • However, when there is e.g. an obstacle then wave fronts will be not only distorted but new effects ...
... • If light is traveling through homogeneous isotropic media without obstacles Huygens’ principle gives us the same results as ray (geometrical) optics including effects as reflection and refraction. • However, when there is e.g. an obstacle then wave fronts will be not only distorted but new effects ...
Light scattering described in the mode picture
... refractive index) normally increases strongly toward longer spatial wavelengths.3 The description of the effect of a wave-front deformation by a single number such as the TIS or the scattering angle, above which the light is considered as being lost from the original mode, is a relatively poor one a ...
... refractive index) normally increases strongly toward longer spatial wavelengths.3 The description of the effect of a wave-front deformation by a single number such as the TIS or the scattering angle, above which the light is considered as being lost from the original mode, is a relatively poor one a ...
Imaging and focusing of an atomic beam with a large period
... The focusing of atomic beams is a field of intense activity. One motivation for this activity is the use of a neutral atomic beam as a sensitive and high resolution microprobe. Neutral atoms as probing particles, because of their relatively high mass, have very low energy (for a given de Broglie wav ...
... The focusing of atomic beams is a field of intense activity. One motivation for this activity is the use of a neutral atomic beam as a sensitive and high resolution microprobe. Neutral atoms as probing particles, because of their relatively high mass, have very low energy (for a given de Broglie wav ...
9. Microwaves MW
... reflection factor in the same manner as above, and collect data for the report. • As above, investigate the absorption and reflection from different wire meshes. Characterise the meshes by some typical length and make notes for the report. • Verify the law of reflection with an aluminium mirror in t ...
... reflection factor in the same manner as above, and collect data for the report. • As above, investigate the absorption and reflection from different wire meshes. Characterise the meshes by some typical length and make notes for the report. • Verify the law of reflection with an aluminium mirror in t ...
Plasmonic Airy beams with dynamically controlled trajectories Peng Zhang, Sheng Wang,
... keeping the other conditions unchanged. By continuously moving O1 along the x direction with respect to the optical axis of the system, the tilt angle can be gradually changed, resulting in a real-time change in the beam trajectory without any retardation. Two typical experimental results at θ ¼ 7° ...
... keeping the other conditions unchanged. By continuously moving O1 along the x direction with respect to the optical axis of the system, the tilt angle can be gradually changed, resulting in a real-time change in the beam trajectory without any retardation. Two typical experimental results at θ ¼ 7° ...
Plasmonic Airy beams with dynamically controlled trajectories Peng Zhang, Sheng Wang,
... keeping the other conditions unchanged. By continuously moving O1 along the x direction with respect to the optical axis of the system, the tilt angle can be gradually changed, resulting in a real-time change in the beam trajectory without any retardation. Two typical experimental results at θ ¼ 7° ...
... keeping the other conditions unchanged. By continuously moving O1 along the x direction with respect to the optical axis of the system, the tilt angle can be gradually changed, resulting in a real-time change in the beam trajectory without any retardation. Two typical experimental results at θ ¼ 7° ...
Sample pages 1 PDF
... region of the phase contrast transfer function). If the magnitude of g has a value lying between the aperture radius and the aperture diameter, there will still be interference in the single overlap regions (see Figure 2–5). Thus information at this resolution can be recorded in a STEM, but not usin ...
... region of the phase contrast transfer function). If the magnitude of g has a value lying between the aperture radius and the aperture diameter, there will still be interference in the single overlap regions (see Figure 2–5). Thus information at this resolution can be recorded in a STEM, but not usin ...
... The optical micrometer, a device for precisely displacing a light beam, is shown in figure 2 above. A light ray traversing a slab, where the entrance and exit faces are parallel to each other, is displaced laterally without a change in direction. This displacement effect is very useful for laser sur ...