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Developing 100 ps-resolved X-ray structural
... absorbers can be removed from the beam path because the heat load on the monochromator is relatively low. The spectrum from U20, which has a smooth energy distribution in the energy range 13–18 keV, is useful for experiments using a white beam, such as time-resolved Laue diffraction. In Fig. 2 the p ...
... absorbers can be removed from the beam path because the heat load on the monochromator is relatively low. The spectrum from U20, which has a smooth energy distribution in the energy range 13–18 keV, is useful for experiments using a white beam, such as time-resolved Laue diffraction. In Fig. 2 the p ...
SOIL PENETROMETER WITH RAMAN SAMPLING
... 5.17 Spectra of bandpass and long-pass filter used for short UV fluorescence excitation. The left spectrum is on a 5nm per division scale, while the right spectrum in on a 10 nm per division scale............................................................... 87 5.18 MATLAB color processed image of ...
... 5.17 Spectra of bandpass and long-pass filter used for short UV fluorescence excitation. The left spectrum is on a 5nm per division scale, while the right spectrum in on a 10 nm per division scale............................................................... 87 5.18 MATLAB color processed image of ...
502-22 Illumination Systems
... An integrating bar or light pipe provides diffuse light with a significant increase in efficiency over simple diffusers. The bar has a rectangular cross section with polished surfaces. The source is placed at one end of the bar, and TIR occurs at each face. The tunnel diagram shows that the transpar ...
... An integrating bar or light pipe provides diffuse light with a significant increase in efficiency over simple diffusers. The bar has a rectangular cross section with polished surfaces. The source is placed at one end of the bar, and TIR occurs at each face. The tunnel diagram shows that the transpar ...
Macroscopic effects in noncollinear high-order
... schemes employ attosecond pulse trains mixed with the fundamental field [6] as well as synthesized light transients [7] for driving the HHG process. The control and flexibility brought about by using two or more driving fields is used, for example, to improve the efficiency of the generation process ...
... schemes employ attosecond pulse trains mixed with the fundamental field [6] as well as synthesized light transients [7] for driving the HHG process. The control and flexibility brought about by using two or more driving fields is used, for example, to improve the efficiency of the generation process ...
Adaptive optics enhanced simultaneous en-face
... and are not constant in time [6]. AO has been demonstrated as a suitable method to dynamically correct for these aberrations [7], improving the quality of the images obtained using several available retinal imaging techniques. These techniques allow, for example, the diagnosis of visual disorders i ...
... and are not constant in time [6]. AO has been demonstrated as a suitable method to dynamically correct for these aberrations [7], improving the quality of the images obtained using several available retinal imaging techniques. These techniques allow, for example, the diagnosis of visual disorders i ...
Chapter 2 – Review of length measuring interferometers
... into two. After travelling along the reference and measurement paths the beams interfere with each other and are split again. One beam is given an extra phase difference of π/4 to produce two orthogonal outputs for example by using a quarterwave plate, as in figure 2.1, or by using a specially coate ...
... into two. After travelling along the reference and measurement paths the beams interfere with each other and are split again. One beam is given an extra phase difference of π/4 to produce two orthogonal outputs for example by using a quarterwave plate, as in figure 2.1, or by using a specially coate ...
Raman Spectroscopy
... photons. However, a small fraction of light (approximately 1 in 107 photons) is scattered at optical frequencies different from, and usually lower than, the frequency of the incident photons. The process leading to this inelastic scatter is termed the Raman effect. Raman scattering can occur with a ...
... photons. However, a small fraction of light (approximately 1 in 107 photons) is scattered at optical frequencies different from, and usually lower than, the frequency of the incident photons. The process leading to this inelastic scatter is termed the Raman effect. Raman scattering can occur with a ...
Applications of Surface Metrology to Issues in Art
... experiment to discern different brush hair types and different paint material by taking measurements using fine-scaled microscopes and analyzing the results using surface metrology software. As a result, we were able to discern different brush hair types from each other with 99.9% confidence level e ...
... experiment to discern different brush hair types and different paint material by taking measurements using fine-scaled microscopes and analyzing the results using surface metrology software. As a result, we were able to discern different brush hair types from each other with 99.9% confidence level e ...
FIBER OPTICS
... silica glass. It has a central core in which the light is guided, embedded in an outer cladding of slightly lower refractive index (Fig. 8.0-l). Light rays incident on the core-cladding boundary at angles greater than the critical angle undergo total internal reflection and are guided through the co ...
... silica glass. It has a central core in which the light is guided, embedded in an outer cladding of slightly lower refractive index (Fig. 8.0-l). Light rays incident on the core-cladding boundary at angles greater than the critical angle undergo total internal reflection and are guided through the co ...
Atomic Spectroscopy
... dramatically. The temperature of the sample within the argon plasma of an ICP-AES system can reach between 5500 to 8000 K. These temperatures allow complete ionization of elements, minimizing chemical interferences, and providing ample thermal energy to excite most of the free atoms in the sample. T ...
... dramatically. The temperature of the sample within the argon plasma of an ICP-AES system can reach between 5500 to 8000 K. These temperatures allow complete ionization of elements, minimizing chemical interferences, and providing ample thermal energy to excite most of the free atoms in the sample. T ...
Elastic stretchable optical fibers
... approaches. Optical fibers consist of a core and a cladding where the core has a higher refractive index than the cladding. This allows for light guiding based on total internal reflection, thereby transmitting optical signals through the fiber with very low losses. These traditional fibers are typi ...
... approaches. Optical fibers consist of a core and a cladding where the core has a higher refractive index than the cladding. This allows for light guiding based on total internal reflection, thereby transmitting optical signals through the fiber with very low losses. These traditional fibers are typi ...
Microscopy Tutorial - Fred Hutch Shared Resources
... epifluorescence), and by the wavelength of light, but other optical components, as well as the imaging device, may alter the final resolution. It is important to note that resolution is not the ability to see small objects, but rather to separate very close objects. The ability to see small objects ...
... epifluorescence), and by the wavelength of light, but other optical components, as well as the imaging device, may alter the final resolution. It is important to note that resolution is not the ability to see small objects, but rather to separate very close objects. The ability to see small objects ...
CHAPTER 4 REFLECTED LIGHT OPTICS
... optically isotropic. A vacuum, all gases , most liquids, glasses, and cubic (isometric) crystalline substances are isotropic; other materials (chiefly nonisometric crystals) are optically anisotropic, and light rays may travel through them at different speeds, depending on the direction oflight vibr ...
... optically isotropic. A vacuum, all gases , most liquids, glasses, and cubic (isometric) crystalline substances are isotropic; other materials (chiefly nonisometric crystals) are optically anisotropic, and light rays may travel through them at different speeds, depending on the direction oflight vibr ...
Temperature-dependent refractive index of silicon and germanium
... device technologies and more recently inicroinachining and nanotechnology. Meanwhile, these two materials are also important in the field of infrared lens design. Optical instr~linentsdesigned for the wavelength range where these two materials are transmissive achieve best performance when cooled to ...
... device technologies and more recently inicroinachining and nanotechnology. Meanwhile, these two materials are also important in the field of infrared lens design. Optical instr~linentsdesigned for the wavelength range where these two materials are transmissive achieve best performance when cooled to ...
Continuous wave Nd:YAG channel waveguide laser produced by
... waveguides produced by 1MeV PBW at fluences of 5×1015, 1×1016, and 2×1016 cm2, while not guided at fluence of 1×1015 cm2 (due to the very low-fluence irradiation). Figure 2(b) shows the measured near-field intensity distribution of the 632.8 nm transmitted light in the fundamental mode of the wave ...
... waveguides produced by 1MeV PBW at fluences of 5×1015, 1×1016, and 2×1016 cm2, while not guided at fluence of 1×1015 cm2 (due to the very low-fluence irradiation). Figure 2(b) shows the measured near-field intensity distribution of the 632.8 nm transmitted light in the fundamental mode of the wave ...
Confinement Factors And Gain In Optical Amplifiers
... ing vector, and with the integral in the numerator over the th layer. Often the bulk material gain in the active layer is much larger than the bulk absorption in the cladding layers. In that case it suffices to use a single confinement factor, namely that of the active layer. Approximation (1) was d ...
... ing vector, and with the integral in the numerator over the th layer. Often the bulk material gain in the active layer is much larger than the bulk absorption in the cladding layers. In that case it suffices to use a single confinement factor, namely that of the active layer. Approximation (1) was d ...
Experimental demonstration of a light-ray-direction
... In Fig. 5, the object distance was changed, keeping the sheet orientation fixed. For practical reasons, the object distance was not increased above the camera distance. As the object distance is increased, the factor by which the object appears stretched in the flip direction is also increased. In b ...
... In Fig. 5, the object distance was changed, keeping the sheet orientation fixed. For practical reasons, the object distance was not increased above the camera distance. As the object distance is increased, the factor by which the object appears stretched in the flip direction is also increased. In b ...
Full text in DIVA
... on nonlinear absorption followed by fluorescence emission, i.e., the emitted photons are normally not coherent with the absorbed ones. However, when combined, the two measurement modes provide an important tool for imaging tissue intravitally in vivo or in sections.1,7,15,16 In the present work, a m ...
... on nonlinear absorption followed by fluorescence emission, i.e., the emitted photons are normally not coherent with the absorbed ones. However, when combined, the two measurement modes provide an important tool for imaging tissue intravitally in vivo or in sections.1,7,15,16 In the present work, a m ...
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... Periodic photonic structures and photonic crystals recently attracted a lot of interest due to the unique ways they offer for controlling light propagation. Periodic modulation of the refractive index modifies the diffraction properties and strongly affects nonlinear propagation and localization of ...
... Periodic photonic structures and photonic crystals recently attracted a lot of interest due to the unique ways they offer for controlling light propagation. Periodic modulation of the refractive index modifies the diffraction properties and strongly affects nonlinear propagation and localization of ...