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3. Experimental apparatus
... 3.2.2. TG-DTA analysis Molecular distribution of bitumen is shown in Fig.3.2. The average molecular weight (MW) was estimated at 1260 using the ebullioscopic method. From this result the chemical structure of bitumen was assumed as given in Fig. 3.3. Basically the bitumen is composed of heterocyclic ...
... 3.2.2. TG-DTA analysis Molecular distribution of bitumen is shown in Fig.3.2. The average molecular weight (MW) was estimated at 1260 using the ebullioscopic method. From this result the chemical structure of bitumen was assumed as given in Fig. 3.3. Basically the bitumen is composed of heterocyclic ...
ATR Accessories: An Overview
... specular reflectance i.e. energy that is not absorbed by the sample, internally reflected or diffusely scattered as shown (Figure 5). DRIFTS is predominately used for the analysis of powders and is a good alternative to using an UATR when conducting analysis of hard ...
... specular reflectance i.e. energy that is not absorbed by the sample, internally reflected or diffusely scattered as shown (Figure 5). DRIFTS is predominately used for the analysis of powders and is a good alternative to using an UATR when conducting analysis of hard ...
Optical Coherence Tomography
... proper calibration [3–5]. Spectral-domain OCT (SD-OCT) configuration is usually preferred for the spectroscopic measurement, since it provides a better phase stability by removing the mechanical scanning in axial direction and with an improved signal to noise ratio [6]. The measurement of optical ch ...
... proper calibration [3–5]. Spectral-domain OCT (SD-OCT) configuration is usually preferred for the spectroscopic measurement, since it provides a better phase stability by removing the mechanical scanning in axial direction and with an improved signal to noise ratio [6]. The measurement of optical ch ...
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... and leads to underestimation of roughness factor. We performed analysis of 10 to 20 different images for each Cu/Pt(hkl) electrode surfaces. Indeed, the increase of image resolution (number of points and lines, e.g. 256x256, 512x512, 1024x1024) leads to only a minor increase of determined real area: ...
... and leads to underestimation of roughness factor. We performed analysis of 10 to 20 different images for each Cu/Pt(hkl) electrode surfaces. Indeed, the increase of image resolution (number of points and lines, e.g. 256x256, 512x512, 1024x1024) leads to only a minor increase of determined real area: ...
Synthesis and characterization of highly ordered functional
... ‡ The GISAXS experiments were performed at the Advanced Photon Source at Argonne National Laboratory (Illinois) on the 1-BM-C beamline. A 2D CCD detector (Bruker) was used to acquire GISAXS data, the pixel size was 0.16 3 0.16 mm. The wavelength was l = 0.112714 nm (Si(111) monochromator by Physical ...
... ‡ The GISAXS experiments were performed at the Advanced Photon Source at Argonne National Laboratory (Illinois) on the 1-BM-C beamline. A 2D CCD detector (Bruker) was used to acquire GISAXS data, the pixel size was 0.16 3 0.16 mm. The wavelength was l = 0.112714 nm (Si(111) monochromator by Physical ...
The Fundamentals of Infrared Spectroscopy
... Figure 6. Background and sample single beams. The single beams are then ratioed, or divided. Specifically, the sample spectrum is divided by the background spectrum (I/Io, Equation 1) at every wavelength, data point by data point. The resultant transmittance spectrum will show relative intensities o ...
... Figure 6. Background and sample single beams. The single beams are then ratioed, or divided. Specifically, the sample spectrum is divided by the background spectrum (I/Io, Equation 1) at every wavelength, data point by data point. The resultant transmittance spectrum will show relative intensities o ...
In this lab you will use the phenomenon of interference... thickness of thin films. Two interference techniques, Michelson and... Thin Film Measurement 1 Introduction
... 2 Experimental Michelson Technique Two measuring techniques are used and compared with this set-up. The first involves using the micrometer on the mirror to measure the difference in zero path length between the thin film and no film. The second technique uses the step height change in the interfere ...
... 2 Experimental Michelson Technique Two measuring techniques are used and compared with this set-up. The first involves using the micrometer on the mirror to measure the difference in zero path length between the thin film and no film. The second technique uses the step height change in the interfere ...
Presentation
... Electrorefraction - This effect is related to the electroabsorption effect(Franz-Keldysh effect) - To produce the electric control fields, one would use a reverse-biased p-n junction or a depletion-MOS gate structure on the Si waveguide ...
... Electrorefraction - This effect is related to the electroabsorption effect(Franz-Keldysh effect) - To produce the electric control fields, one would use a reverse-biased p-n junction or a depletion-MOS gate structure on the Si waveguide ...
Strong Polarized Enhanced Raman Scattering via Optical Tunneling
... in the inelastic scattered radiation; therefore, the polarizationsensitive information can be easily isolated from the incident beam using an appropriate optical filter. Finally, the substrate used in this work does not require any special condition for patterning (such as vacuum systems); hence, it ...
... in the inelastic scattered radiation; therefore, the polarizationsensitive information can be easily isolated from the incident beam using an appropriate optical filter. Finally, the substrate used in this work does not require any special condition for patterning (such as vacuum systems); hence, it ...
Three-dimensional imaging by optical sectioning in the aberration
... The successful implementation of spherical aberration correctors in the scanning transmission electron microscope (STEM) has allowed an increase in the semiangle of convergence, α, of the probe-forming aperture. Not only does this improve the attainable lateral resolution (Nellist et al. 2004), whic ...
... The successful implementation of spherical aberration correctors in the scanning transmission electron microscope (STEM) has allowed an increase in the semiangle of convergence, α, of the probe-forming aperture. Not only does this improve the attainable lateral resolution (Nellist et al. 2004), whic ...
Paper
... of the incident light, which scales as cos2 ␣, where ␣ is the angle between the electric-field vector and the axis. Indeed, the rescaled data of Fig. 4 nicely matches the other data shown in Fig. 2(c) for which the total intensity of the light was varied. The comparison of these two amplification mo ...
... of the incident light, which scales as cos2 ␣, where ␣ is the angle between the electric-field vector and the axis. Indeed, the rescaled data of Fig. 4 nicely matches the other data shown in Fig. 2(c) for which the total intensity of the light was varied. The comparison of these two amplification mo ...
Time of flight-photoemission electron microscope for ultrahigh
... nanoplasmonic field is schematically illustrated in figure 1. This approach combines two modern techniques: photoelectron emission microscopy and attosecond streaking spectroscopy [12]. A plasmonic metal nanosystem is driven by an intense and waveform-controlled femtosecond laser pulse with frequenc ...
... nanoplasmonic field is schematically illustrated in figure 1. This approach combines two modern techniques: photoelectron emission microscopy and attosecond streaking spectroscopy [12]. A plasmonic metal nanosystem is driven by an intense and waveform-controlled femtosecond laser pulse with frequenc ...
report - CREATE project
... autocorrelation function with nonlinear crystal placed at the microscope output (Fig. 2a). The first imaging test was performed with a piece of paper. We verified that paper absorbs 745 nm through two photon absorption and emits visible light.In order to compare functions of the signal intensity ver ...
... autocorrelation function with nonlinear crystal placed at the microscope output (Fig. 2a). The first imaging test was performed with a piece of paper. We verified that paper absorbs 745 nm through two photon absorption and emits visible light.In order to compare functions of the signal intensity ver ...
Diffracted Light Contrast: Improving the Resolution - Microscopy-UK
... unsuccessful. The difficulty may not be one of resolution because Figs. 2a and 3F would certainly suggest DLC is capable of generating sufficient resolution. Instead, it would seem that contrast may be the limiting factor. DLC may circumvent the Abbé limit for two reasons. First, because the effecti ...
... unsuccessful. The difficulty may not be one of resolution because Figs. 2a and 3F would certainly suggest DLC is capable of generating sufficient resolution. Instead, it would seem that contrast may be the limiting factor. DLC may circumvent the Abbé limit for two reasons. First, because the effecti ...
Opto-acoustic Imaging
... focus of the lens and the sample surface is in the other focal plane. Therefore, not only parallel scan can be achieved, the lens also focuses the laser beam onto the sample surface for maximum resolution and minimum sensitivity to the tilt of the surface. Note that the lens must be at least as larg ...
... focus of the lens and the sample surface is in the other focal plane. Therefore, not only parallel scan can be achieved, the lens also focuses the laser beam onto the sample surface for maximum resolution and minimum sensitivity to the tilt of the surface. Note that the lens must be at least as larg ...
Spectroscopic methods for biology and medicine
... Figure 1.4: Spectroscopic measurement: Put the sample in a box, where it is isolated from the environment. Next, observe/characterize particles which enter or leave the box to learn about the sample properties. ...
... Figure 1.4: Spectroscopic measurement: Put the sample in a box, where it is isolated from the environment. Next, observe/characterize particles which enter or leave the box to learn about the sample properties. ...
Get PDF - OSA Publishing
... imaging technique, dark-field (DF) microscopy is a spectacular method to form high-contrast images of unstained transparent specimens. In order to form a bright specimen image on a dark background, oblique rays from every azimuth are allowed to strike the samples, but only light scattered from the s ...
... imaging technique, dark-field (DF) microscopy is a spectacular method to form high-contrast images of unstained transparent specimens. In order to form a bright specimen image on a dark background, oblique rays from every azimuth are allowed to strike the samples, but only light scattered from the s ...
Trapping and destruction of long range high intensity optical/plasma
... Introduction to Filamentation • High power, femtosecond laser beams that propagate through air form extremely long filaments due to nonlinear self-focusing ((3)) dynamically balanced by ionization and defocusing. ...
... Introduction to Filamentation • High power, femtosecond laser beams that propagate through air form extremely long filaments due to nonlinear self-focusing ((3)) dynamically balanced by ionization and defocusing. ...
Medical Laboratory Instrumentation 2010
... 1. The source must emit radiation over the entire wavelength range to be studied. 2. The intensity of radiation over the entire wavelength range must be high enough so that extensive amplification of the signal from the detector can be avoided. 3. The intensity of the source should not vary signific ...
... 1. The source must emit radiation over the entire wavelength range to be studied. 2. The intensity of radiation over the entire wavelength range must be high enough so that extensive amplification of the signal from the detector can be avoided. 3. The intensity of the source should not vary signific ...
Orientation of perylene derivatives on semiconductor surfaces
... a backscattering geometry with a spectral resolution of 2.5 cm1. The incident beam having a power of 30 mW was focused onto a spot of 300 mm in diameter. For comparison Raman measurements were taken from a crystal obtained by sublimation using an Olympus microscope with 100 magnification objectiv ...
... a backscattering geometry with a spectral resolution of 2.5 cm1. The incident beam having a power of 30 mW was focused onto a spot of 300 mm in diameter. For comparison Raman measurements were taken from a crystal obtained by sublimation using an Olympus microscope with 100 magnification objectiv ...
PART 3_ir spectra_01
... Are you getting the concept? At what angle would you collect the 1st order diffracted light with l = 500 nm if a broad spectrum beam is incident on a 600 groove/mm grating at qi = 10°? For l = 225 nm? For l = 750 nm? ...
... Are you getting the concept? At what angle would you collect the 1st order diffracted light with l = 500 nm if a broad spectrum beam is incident on a 600 groove/mm grating at qi = 10°? For l = 225 nm? For l = 750 nm? ...
Aalseth-icpms - Berkeley Cosmology Group
... • Used radiochemistry as front-end to ICPMS • Electroformed copper sample result of 0.7 ± 0.6 uBq/kg – (1-g sample, few-hour measurement, 7-fold replicate, 1 week of setup for campaign) – Many months of radiochemistry R&D to enable measurement ...
... • Used radiochemistry as front-end to ICPMS • Electroformed copper sample result of 0.7 ± 0.6 uBq/kg – (1-g sample, few-hour measurement, 7-fold replicate, 1 week of setup for campaign) – Many months of radiochemistry R&D to enable measurement ...
Supplementary Material for
... Fig. S1 Examples of CCD image of the fringe patterns for single slides. Thinner fringes with uniform spacing are present in all images as a result of interference within the CCD assembly. Measuring the spacing of the thicker fringes, a, yields the wedge angle between the two faces of each slides, wh ...
... Fig. S1 Examples of CCD image of the fringe patterns for single slides. Thinner fringes with uniform spacing are present in all images as a result of interference within the CCD assembly. Measuring the spacing of the thicker fringes, a, yields the wedge angle between the two faces of each slides, wh ...