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Measuring cellular structure at submicrometer scale with light
... diluting the stock suspension with de-ionized and distilled water to obtain the required optical density. Fig. 3 summarizes the experimental results obtained for polystyrene particles. To demonstrate the symmetry of the A/LSS scattering patterns, the parallel-polarized component of the backscattered ...
... diluting the stock suspension with de-ionized and distilled water to obtain the required optical density. Fig. 3 summarizes the experimental results obtained for polystyrene particles. To demonstrate the symmetry of the A/LSS scattering patterns, the parallel-polarized component of the backscattered ...
1.1 Objectives
... The phenomena associated with self-focusing of laser beams have been investigated since laser invention [1]. This kind of nonlinear propagation of a wave in a transparent medium particularly depends on the transversal intensity profile and power of the laser beam. Self-focusing is self-induced (Kerr ...
... The phenomena associated with self-focusing of laser beams have been investigated since laser invention [1]. This kind of nonlinear propagation of a wave in a transparent medium particularly depends on the transversal intensity profile and power of the laser beam. Self-focusing is self-induced (Kerr ...
(1–1.5 kV) nitrogen-ion bombardment on sharply pointed tips
... at the apex of a tip during the atom-probe data collection. As data collection progresses the image magnification decreases due to the increase of the tip radius; this occurs because an FIM is a point projection microscope and the magnification is given by the ratio of the tip-to-screen distance ~a ...
... at the apex of a tip during the atom-probe data collection. As data collection progresses the image magnification decreases due to the increase of the tip radius; this occurs because an FIM is a point projection microscope and the magnification is given by the ratio of the tip-to-screen distance ~a ...
Large Dispersive Effects near the Band Edges of Photonic Crystals
... the sample with the incoming pulse. We used bandwidthlimited ultrashort pulses (70–100 fs) from a Ti:sapphire laser (Spectra Physics Tsunami), tunable from 720 to 835 nm, with a repetition rate of 82 MHz. First, a doublepulsed signal is obtained with a Mach-Zehnder interferometer in which the refere ...
... the sample with the incoming pulse. We used bandwidthlimited ultrashort pulses (70–100 fs) from a Ti:sapphire laser (Spectra Physics Tsunami), tunable from 720 to 835 nm, with a repetition rate of 82 MHz. First, a doublepulsed signal is obtained with a Mach-Zehnder interferometer in which the refere ...
Resolution and Sampling Considerations
... lenses, the image seen by the eye can become sharper or more blurry; the sensor (eyes) remains constant. Your ability to “resolve” objects is determined by your ability to recognize the letters on the chart correctly. Although we perceive the world as “continuous tone” (all colors and shades of colo ...
... lenses, the image seen by the eye can become sharper or more blurry; the sensor (eyes) remains constant. Your ability to “resolve” objects is determined by your ability to recognize the letters on the chart correctly. Although we perceive the world as “continuous tone” (all colors and shades of colo ...
Advanced Applications
... the vapor cell, thereby ensuring that the input is linearly polarized. Due to the presence of the weak magnetic field, the absorption profiles of the two circular components (+ and -) that comprise the linearly polarized input beam are shifted to higher and lower frequencies, respectively. After pas ...
... the vapor cell, thereby ensuring that the input is linearly polarized. Due to the presence of the weak magnetic field, the absorption profiles of the two circular components (+ and -) that comprise the linearly polarized input beam are shifted to higher and lower frequencies, respectively. After pas ...
DU4301727731
... (i.e.,saturation) or reverse saturation in the absorption aspect, whereas self-focusing or self-defocusing occurs in the refraction aspect. Of the various techniques available, Z-scan method [6, 7] is a simple and effective tool for determining nonlinear properties and is used widely in material cha ...
... (i.e.,saturation) or reverse saturation in the absorption aspect, whereas self-focusing or self-defocusing occurs in the refraction aspect. Of the various techniques available, Z-scan method [6, 7] is a simple and effective tool for determining nonlinear properties and is used widely in material cha ...
Spontaneous, stimulated, coherent and incoherent nonlinear wave
... signals result from long range two particle coherence whereas Rayleigh and hyper-Rayleigh scattering are shown to be their short range counterparts. The dependence of the signals on wave vector, number of molecules and the molecular density is discussed for molecular and polymer solutes. Several two ...
... signals result from long range two particle coherence whereas Rayleigh and hyper-Rayleigh scattering are shown to be their short range counterparts. The dependence of the signals on wave vector, number of molecules and the molecular density is discussed for molecular and polymer solutes. Several two ...
Experimental method for reliably establishing the refractive index of
... iridescent beetle C. vittata, he obtained layer thicknesses from TEM images and optical data from a Zeiss microspectrophotometer. He then derived values for the refractive indices of the layers by comparing the wavelength of maximum reflectance in his experimental data to that obtained using the opt ...
... iridescent beetle C. vittata, he obtained layer thicknesses from TEM images and optical data from a Zeiss microspectrophotometer. He then derived values for the refractive indices of the layers by comparing the wavelength of maximum reflectance in his experimental data to that obtained using the opt ...
An ultrafast reconfigurable nanophotonic switch using
... Images were processed using Matlab. For each data point, areas of interest (AOIs) were selected from the images corresponding to either the peak or background region. Integrated intensities for images with pump were normalized to values without pump to obtain normalized data for each time delay. Re ...
... Images were processed using Matlab. For each data point, areas of interest (AOIs) were selected from the images corresponding to either the peak or background region. Integrated intensities for images with pump were normalized to values without pump to obtain normalized data for each time delay. Re ...
Optical losses
... disordered, amorphous structures. Power losses due to scattering are caused by such imperfections in the core material and irregularities between the junction and cladding as shown in Figure(3) . Inhomogeneities can be either structural or compositional in nature. In structural inhomogeneities, the ...
... disordered, amorphous structures. Power losses due to scattering are caused by such imperfections in the core material and irregularities between the junction and cladding as shown in Figure(3) . Inhomogeneities can be either structural or compositional in nature. In structural inhomogeneities, the ...
Engineering Optics and Optical Techniques
... SP-2: Collimated light containing the wavelengths 600 nm and 610 nm is diffracted by a plane grating ruled with 60 lines to the millimeter. If a lens of 2 m focal length is used to focus the light on a screen, what is the linear distance between these two lines in the first order? ...
... SP-2: Collimated light containing the wavelengths 600 nm and 610 nm is diffracted by a plane grating ruled with 60 lines to the millimeter. If a lens of 2 m focal length is used to focus the light on a screen, what is the linear distance between these two lines in the first order? ...
Chapter two_part B
... ▪ These result from the non-perfect cylindrical structure of the waveguide and may be caused by fiber imperfections such as irregularities in the core-cladding interface, core-cladding refractive index differences along the fiber length, diameter fluctuations, strains and bubbles. ...
... ▪ These result from the non-perfect cylindrical structure of the waveguide and may be caused by fiber imperfections such as irregularities in the core-cladding interface, core-cladding refractive index differences along the fiber length, diameter fluctuations, strains and bubbles. ...
Week 9 Wed. (Lesson 15) Coherence and Optical Tomography
... • Two waves coherent if fixed phase relationship between them for some period of time ...
... • Two waves coherent if fixed phase relationship between them for some period of time ...
Lasers and lenses - University of Toronto
... These lasers provide sufficient output power at appropriate wavelengths, but at a cost of around $30 000USD there were cheaper options with similar specifications. A master laser is also required to feed into the TA further increasing the cost. New Focus’s TLB series diode lasers are inexpensive (ar ...
... These lasers provide sufficient output power at appropriate wavelengths, but at a cost of around $30 000USD there were cheaper options with similar specifications. A master laser is also required to feed into the TA further increasing the cost. New Focus’s TLB series diode lasers are inexpensive (ar ...
microscopy and staining
... Zernike, a Dutch mathematical physicist. It is based on the principle that cells differ in refractive index (a factor by which light is slowed as it passes through a material) from their surroundings. Light passing through a cell thus differs in phase from light passing through its surroundings. Thi ...
... Zernike, a Dutch mathematical physicist. It is based on the principle that cells differ in refractive index (a factor by which light is slowed as it passes through a material) from their surroundings. Light passing through a cell thus differs in phase from light passing through its surroundings. Thi ...
OSA journals template (MSWORD)
... containing two different poling periods. We furthermore present observations of secondary optical parametric oscillators pumped by the circulating signal wave and the generated yellow light. 2. Experimental setup The experimental setup is shown in figure 1. It consists of a diode-pumped Q-switched Y ...
... containing two different poling periods. We furthermore present observations of secondary optical parametric oscillators pumped by the circulating signal wave and the generated yellow light. 2. Experimental setup The experimental setup is shown in figure 1. It consists of a diode-pumped Q-switched Y ...
AFM force spectroscopy as a nanotool for early detection
... currently known about the molecular mechanism underlying these processes. ...
... currently known about the molecular mechanism underlying these processes. ...
Microstructure and humidity sensitive properties of MgFe2O4 ferrite
... CuKα radiation. The microstructure was examined by the scanning electron microscopy (SEM). The average grain size was determined by the linear-intercept technique from micrographs on the fracture surface of the samples. The specific surface area was calculated using the following equation ...
... CuKα radiation. The microstructure was examined by the scanning electron microscopy (SEM). The average grain size was determined by the linear-intercept technique from micrographs on the fracture surface of the samples. The specific surface area was calculated using the following equation ...
Ph 76 ADVANCED PHYSICS LABORATORY — ATOMIC AND
... The term αI/Γ corresponds to the s/2 term above (note Isat is proportional to Γ). A more complete derivation of the result, with all the normalization constants, is given in Milonni and Eberly (1988), and in Cohen-Tannoudji et al. (1992), but this gives you the basic idea. Assuming a fixed vapor temp ...
... The term αI/Γ corresponds to the s/2 term above (note Isat is proportional to Γ). A more complete derivation of the result, with all the normalization constants, is given in Milonni and Eberly (1988), and in Cohen-Tannoudji et al. (1992), but this gives you the basic idea. Assuming a fixed vapor temp ...
Ph 76 ADVANCED PHYSICS LABORATORY — ATOMIC
... The term αI/Γ corresponds to the s/2 term above (note Isat is proportional to Γ). A more complete derivation of the result, with all the normalization constants, is given in Milonni and Eberly (1988), and in Cohen-Tannoudji et al. (1992), but this gives you the basic idea. Assuming a fixed vapor temp ...
... The term αI/Γ corresponds to the s/2 term above (note Isat is proportional to Γ). A more complete derivation of the result, with all the normalization constants, is given in Milonni and Eberly (1988), and in Cohen-Tannoudji et al. (1992), but this gives you the basic idea. Assuming a fixed vapor temp ...
MPE Tutorial Multiphoton Excitation Microscopy 5100 Patrick Henry Drive
... simple solution for delivery of ultrafast pulses at a higher average power than is possible with a fiber delivery set-up. However, maintaining alignment of the relay mirrors can be a problem, and the beam path should be enclosed to prevent accidentally exposing the operator to the beam. In addition, ...
... simple solution for delivery of ultrafast pulses at a higher average power than is possible with a fiber delivery set-up. However, maintaining alignment of the relay mirrors can be a problem, and the beam path should be enclosed to prevent accidentally exposing the operator to the beam. In addition, ...
375_Lo.pdf
... phase retardation due to the dispersion effects from the broadband source. As the authors’ knowledge, this is the first instrument that could extract all the optical parameters including the thickness, mean refractive index, apparent phase retardation, optical axis orientation, order, and extraordin ...
... phase retardation due to the dispersion effects from the broadband source. As the authors’ knowledge, this is the first instrument that could extract all the optical parameters including the thickness, mean refractive index, apparent phase retardation, optical axis orientation, order, and extraordin ...
Interaction of the C-terminal peptide from pigeon cytochrome C with
... lymphocytes of a transgenic mouse strain called AND. This system is widely used to study ...
... lymphocytes of a transgenic mouse strain called AND. This system is widely used to study ...
Lecture 18
... Modulation transfer function • Resolution and performance of optical microscope can be characterized by the modulation transfer function (MTF) • MTF is measurement of microscope's ability to transfer contrast from the specimen to the image plane at specific resolution. • Incorporates resolution and ...
... Modulation transfer function • Resolution and performance of optical microscope can be characterized by the modulation transfer function (MTF) • MTF is measurement of microscope's ability to transfer contrast from the specimen to the image plane at specific resolution. • Incorporates resolution and ...