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Viewing Microstructures of Materials using the Optical Microscope
... One should keep in mind that there are two artifacts caused by the interaction of light with glass lenses: spherical and chromatic aberrations. The spherical aberration is related to the distortion of the image due to the spherical nature of the lenses, and the chromatic aberration arises from the ...
... One should keep in mind that there are two artifacts caused by the interaction of light with glass lenses: spherical and chromatic aberrations. The spherical aberration is related to the distortion of the image due to the spherical nature of the lenses, and the chromatic aberration arises from the ...
Fiber Optics - University of Calgary
... based transmission at the physical layer International standard for fiber-based transmission: SONET (Synchronous Optical Network) ...
... based transmission at the physical layer International standard for fiber-based transmission: SONET (Synchronous Optical Network) ...
INTRODUCTION ...
... and either gain or lose kinetic energy. In this it is conceptually very similar to Raman scattering, but there are significant differences. The major difference is that photons (electromagnetic radiation) interact primarily with the electrons of a sample, while neutrons interact with the nuclei. The ...
... and either gain or lose kinetic energy. In this it is conceptually very similar to Raman scattering, but there are significant differences. The major difference is that photons (electromagnetic radiation) interact primarily with the electrons of a sample, while neutrons interact with the nuclei. The ...
Lesson27
... • If we subtract the contribution functions for two consecutive wavelengths then we get the next figure. The resolution of this contribution function is much smaller. • It should be noted that there is a limit to the resolution that can be obtained – the scale height of ozone. ...
... • If we subtract the contribution functions for two consecutive wavelengths then we get the next figure. The resolution of this contribution function is much smaller. • It should be noted that there is a limit to the resolution that can be obtained – the scale height of ozone. ...
Total Internal Reflection Spectroscopy for Studying Soft Matter
... be delivered to the sample simultaneously) and can be difficult to interpret. Furthermore, molecules at an interface that do not have a preferred orientation are invisible in second-order nonlinear spectroscopy, so such techniques are of limited value for quantitative analysis of composition. The se ...
... be delivered to the sample simultaneously) and can be difficult to interpret. Furthermore, molecules at an interface that do not have a preferred orientation are invisible in second-order nonlinear spectroscopy, so such techniques are of limited value for quantitative analysis of composition. The se ...
Imaging Laboratory Exercise Scanning Electron Microscope
... standard optical design. It is worth noting that in TEM it is the diffraction effect that plays the role of refraction in the optical imaging. Also worthy of notice is that the energetic electron beam could lead to other processes and thus produce secondary effects, such as X-ray emission, that coul ...
... standard optical design. It is worth noting that in TEM it is the diffraction effect that plays the role of refraction in the optical imaging. Also worthy of notice is that the energetic electron beam could lead to other processes and thus produce secondary effects, such as X-ray emission, that coul ...
Limits of Resolution: The Rayleigh Criterion
... How does diraction aect the detail that can be observed when light passes through an aperture? Figure 1(b) shows the diraction pattern produced by two point light sources that are close to one another. The pattern is similar to that for a single point source, and it is just barely possible to tel ...
... How does diraction aect the detail that can be observed when light passes through an aperture? Figure 1(b) shows the diraction pattern produced by two point light sources that are close to one another. The pattern is similar to that for a single point source, and it is just barely possible to tel ...
Suppression of optical damage at 532 nm in
... 2. Materials and optical measurements A series of Ho:cLN crystals were grown with the Czochralski technique with Ho2O3 concentration ranging from 0.0047 to 0.94 mol. % (0.0094-1.88 mol. % Ho3+) in the melt. Here we define the Ho2O3 mol. % as the ratio of [Ho2O3]/([Ho2O3] + [cLiNbO3]). Further detail ...
... 2. Materials and optical measurements A series of Ho:cLN crystals were grown with the Czochralski technique with Ho2O3 concentration ranging from 0.0047 to 0.94 mol. % (0.0094-1.88 mol. % Ho3+) in the melt. Here we define the Ho2O3 mol. % as the ratio of [Ho2O3]/([Ho2O3] + [cLiNbO3]). Further detail ...
Introduction to the principles of Atomic Spectroscopy
... XRF is unique among all atomic spectroscopic techniques in that it is non-destructive Good for elemental composition analysis For quantitative analysis require reference standard with similar matrix to that of the sample Detection limits are in the ppm (mg/kg) range ...
... XRF is unique among all atomic spectroscopic techniques in that it is non-destructive Good for elemental composition analysis For quantitative analysis require reference standard with similar matrix to that of the sample Detection limits are in the ppm (mg/kg) range ...
Absolute Specular Reflectance Measurements at Fixed
... 900, out to 3300 nm with the correct lens in place on the accessory. The PELA 6000 VN design is also advantageous over the traditional VW absolute specular reflectance accessory, which is typically available only for a near-normal angle such as 7.5 degrees. The VW optical design requires two bounces ...
... 900, out to 3300 nm with the correct lens in place on the accessory. The PELA 6000 VN design is also advantageous over the traditional VW absolute specular reflectance accessory, which is typically available only for a near-normal angle such as 7.5 degrees. The VW optical design requires two bounces ...
new challenges in thermo-fluiddynamic research by advanced
... availability of new equipment like high energy light sources, intensified electronical camera systems, and electronic devices as well as new software. This fact allows to reduce the time of data processing which has been very time consuming in the past. It can be distinguished between imaging and no ...
... availability of new equipment like high energy light sources, intensified electronical camera systems, and electronic devices as well as new software. This fact allows to reduce the time of data processing which has been very time consuming in the past. It can be distinguished between imaging and no ...
Multiple-wavelength operation of electroabsorption intensity
... 共channel 7兲, respectively. Note that the band edge of channel 9 could not be determined due to the limitation of the tunable laser source. It is observed from this figure that the photocurrent absorption curves have been blueshifted as a function of SiO2 thickness. This implies that the different de ...
... 共channel 7兲, respectively. Note that the band edge of channel 9 could not be determined due to the limitation of the tunable laser source. It is observed from this figure that the photocurrent absorption curves have been blueshifted as a function of SiO2 thickness. This implies that the different de ...
High-speed optical frequency-domain imaging
... detectable reflectivity). As the A-line rate increases, the detection bandwidth should be increased proportionally, and therefore the sensitivity drops [4]. The sensitivity of state-ofthe-art time-domain OCT systems operating at 2-kHz ranges between −105 and −110 dB. Most biomedical applications req ...
... detectable reflectivity). As the A-line rate increases, the detection bandwidth should be increased proportionally, and therefore the sensitivity drops [4]. The sensitivity of state-ofthe-art time-domain OCT systems operating at 2-kHz ranges between −105 and −110 dB. Most biomedical applications req ...
10-GHz Bandwidth RF Spectral Analyzer With MHz Resolution
... demodulated signal, corresponding to the dispersive part of the atomic response, is reproduced as the lower trace of this inset. An other important property of a spectrum analyzer is its dynamic range. It can be extracted from the experimental results reproduced in Fig. 3(b). This figure represents ...
... demodulated signal, corresponding to the dispersive part of the atomic response, is reproduced as the lower trace of this inset. An other important property of a spectrum analyzer is its dynamic range. It can be extracted from the experimental results reproduced in Fig. 3(b). This figure represents ...
UV-light microscope: improvements in optical imaging for a
... components that did not transmit UV light were replaced with UV compatible versions, including the optical waveguide, the objective lens, the mirror and the transfer lens inside the vacuum chamber; as well as the condenser lens of the illuminator and the zoom lens below the CCD camera that are outsi ...
... components that did not transmit UV light were replaced with UV compatible versions, including the optical waveguide, the objective lens, the mirror and the transfer lens inside the vacuum chamber; as well as the condenser lens of the illuminator and the zoom lens below the CCD camera that are outsi ...
High Resolution Laser Spectroscopy in Rubidium
... Atomic spectra give intimate clues into the quantum structure of atoms, and is one of the most versatile phenomenon in physics. Spectra are unique to each atom, and have been used in a variety of ways, my favorite being the deduction of the composition of the sun.The 1981 Nobel Prize in physics was ...
... Atomic spectra give intimate clues into the quantum structure of atoms, and is one of the most versatile phenomenon in physics. Spectra are unique to each atom, and have been used in a variety of ways, my favorite being the deduction of the composition of the sun.The 1981 Nobel Prize in physics was ...
Note
... • The observed profile is the convolution of the true line profile with the instrument profile • For high S/N ratio data, Fourier techniques can be used to back out the IP from a spectrum to recover some of the resolution. ...
... • The observed profile is the convolution of the true line profile with the instrument profile • For high S/N ratio data, Fourier techniques can be used to back out the IP from a spectrum to recover some of the resolution. ...
Course code: EE412 Course title: Optical
... To understand the principle of EM waves propagation in fiber cables and also about different types of optical fibers. Overview of Optical Networks including PDH, SDH/SONET and DWDM . To learn the various optical source materials, LED structures, quantum efficiency, Laser diodes structures and also a ...
... To understand the principle of EM waves propagation in fiber cables and also about different types of optical fibers. Overview of Optical Networks including PDH, SDH/SONET and DWDM . To learn the various optical source materials, LED structures, quantum efficiency, Laser diodes structures and also a ...
Chapter 7- Components of Optical Instruments
... Anti-stokes fluorescence: It is a form of fluorescence in which the emitted radiation has a shorter wavelength than the absorbed radiation. A fifth type of fluorescence can also occur. After an atom becomes electronically excited by absorption, the excited atom transfers some or all of its energy to ...
... Anti-stokes fluorescence: It is a form of fluorescence in which the emitted radiation has a shorter wavelength than the absorbed radiation. A fifth type of fluorescence can also occur. After an atom becomes electronically excited by absorption, the excited atom transfers some or all of its energy to ...
untitled - PhysRevLett.111.243901
... for calculating the output wave. In doing so, we determined the expected reflected wave for the phase-only control (red lines). The expected signal is now very similar to that observed experimentally. We also investigated the enhanced amplitude at a fixed target arrival time as a function of N, and ...
... for calculating the output wave. In doing so, we determined the expected reflected wave for the phase-only control (red lines). The expected signal is now very similar to that observed experimentally. We also investigated the enhanced amplitude at a fixed target arrival time as a function of N, and ...
PDF
... laser beams pass through the objective lens and return toward the optical pickup side, when the phase of the diffracted beam is equal to that of the reflected beam, the optical intensity is increased in the area at which the diffracted beam arrives; on the contrary, if the diffracted and reflected b ...
... laser beams pass through the objective lens and return toward the optical pickup side, when the phase of the diffracted beam is equal to that of the reflected beam, the optical intensity is increased in the area at which the diffracted beam arrives; on the contrary, if the diffracted and reflected b ...
Experimental approaches to analyse thermophysical
... • steel frame outside and PEEK ring inside • 3 Layer LFA Model with heat loss • LFA measurement on several samples with varying pulse energy, focus of the detector, range of model calculation • Measured a=0,144 ∙10-6 m²/s, σ=2,373∙10-9 m²/s Thermal Diffusivity /(mm^2/s) ...
... • steel frame outside and PEEK ring inside • 3 Layer LFA Model with heat loss • LFA measurement on several samples with varying pulse energy, focus of the detector, range of model calculation • Measured a=0,144 ∙10-6 m²/s, σ=2,373∙10-9 m²/s Thermal Diffusivity /(mm^2/s) ...
Light scattering described in the mode picture
... In a practical case (with no preferred direction of the deformations), even a simplified procedure of averaging the spectra of parallel scan lines across the wave front gave results close to those obtained by a full two-dimensional decomposition of the field into higher-order modes. In this paper we ...
... In a practical case (with no preferred direction of the deformations), even a simplified procedure of averaging the spectra of parallel scan lines across the wave front gave results close to those obtained by a full two-dimensional decomposition of the field into higher-order modes. In this paper we ...
McDonald-etal-OE-2015-3D-mapping-of-intensity
... at a point that is confocal with a pinhole in the imaging axis of the microscope. While this allows accurate probing of the surface it precludes imaging the focal plane of our concave mirrors directly. Instead one may directly image about the center of curvature of the mirror and then infer the tran ...
... at a point that is confocal with a pinhole in the imaging axis of the microscope. While this allows accurate probing of the surface it precludes imaging the focal plane of our concave mirrors directly. Instead one may directly image about the center of curvature of the mirror and then infer the tran ...