Picosecond-resolution soft-x-ray laser plasma interferometry
... laser pulses used in these demonstrations 共300 ps and 1.2 ns for the Ne-like Y and Ne-like Ar lasers, respectively兲 makes the interferograms susceptible to the blurring of the interference fringes that results from the rapid local variations of the electron density during the exposure time within a ...
... laser pulses used in these demonstrations 共300 ps and 1.2 ns for the Ne-like Y and Ne-like Ar lasers, respectively兲 makes the interferograms susceptible to the blurring of the interference fringes that results from the rapid local variations of the electron density during the exposure time within a ...
Lab 4: Diffraction of Light
... ter. One half of that number will give you the distance the holder and position it so that it is normal to the between the center of the pattern and the first diffrac- laser beam. Sketch and describe the diffraction pattion minimum. Measure the distance D between the tern. Calculate the angle by whi ...
... ter. One half of that number will give you the distance the holder and position it so that it is normal to the between the center of the pattern and the first diffrac- laser beam. Sketch and describe the diffraction pattion minimum. Measure the distance D between the tern. Calculate the angle by whi ...
Highly doped InP as a low loss plasmonic material for
... Surface plasmon polaritons (SPPs) are surface waves confined to the interface between a dielectric and conductive materials as a result of coupling of an external electromagnetic field with the collective oscillation of free conduction electrons. Mathematical descriptions of these phenomena date bac ...
... Surface plasmon polaritons (SPPs) are surface waves confined to the interface between a dielectric and conductive materials as a result of coupling of an external electromagnetic field with the collective oscillation of free conduction electrons. Mathematical descriptions of these phenomena date bac ...
Design study of a Magneto-Optical Trap for laser cooling of rubidium
... samples. If the detuning is larger, atoms with a speed that is close to zero will sense a reduced average force, see figure 2.4. A detuning that is smaller than γ/2 causes an increased absorption from both lasers for atoms with almost zero speed. These absorptions cause heating. The value of the Dop ...
... samples. If the detuning is larger, atoms with a speed that is close to zero will sense a reduced average force, see figure 2.4. A detuning that is smaller than γ/2 causes an increased absorption from both lasers for atoms with almost zero speed. These absorptions cause heating. The value of the Dop ...
Pulse Delay Chromatic Dispersion Measurements in Single Mode
... where it is used in laparoscopic surgery and also in laser surgery. Other uses such as the transmitting of high power laser beams and fibre optic sensors also rely on optical fibre. However nonlinear effects, attenuation of the optical signal, polarization mode dispersion and chromatic dispersion ca ...
... where it is used in laparoscopic surgery and also in laser surgery. Other uses such as the transmitting of high power laser beams and fibre optic sensors also rely on optical fibre. However nonlinear effects, attenuation of the optical signal, polarization mode dispersion and chromatic dispersion ca ...
Compact Optical Fiber Amplifier
... the pumping and signal light can pass the isolator under the condition that losses at these wavelengths are only 0.2 or 0.3 dB larger than that of the C-band. For this reason, WDM couplers in front of and behind the middle isolator, which make the pumping light bypass the middle isolator, are not us ...
... the pumping and signal light can pass the isolator under the condition that losses at these wavelengths are only 0.2 or 0.3 dB larger than that of the C-band. For this reason, WDM couplers in front of and behind the middle isolator, which make the pumping light bypass the middle isolator, are not us ...
Confocal Microscopy - Emory Physics
... the specimen, which is not at the focal point of the left-hand-side lens. (Note that the colors of the rays are purely for purposes of distinguishing the two sets—they do not represent different wavelengths of light.) Clearly, the image of the light blue point is not at the same location as the imag ...
... the specimen, which is not at the focal point of the left-hand-side lens. (Note that the colors of the rays are purely for purposes of distinguishing the two sets—they do not represent different wavelengths of light.) Clearly, the image of the light blue point is not at the same location as the imag ...
Get PDF - OSA Publishing
... with m additional photons from the same laser field, e.g. generating harmonics of order (n + m). Such resonantly-enhanced frequency conversion is well known from low-order frequency conversion processes, driven by lasers of moderate intensities. As a simple example, we note resonantly-enhanced four- ...
... with m additional photons from the same laser field, e.g. generating harmonics of order (n + m). Such resonantly-enhanced frequency conversion is well known from low-order frequency conversion processes, driven by lasers of moderate intensities. As a simple example, we note resonantly-enhanced four- ...
PDF
... orientation, which then promotes formation of self-assembled linear structures directed along the beam scanning direction. These structures are then shaped into desired patterns via continuous steering of the laser beam with intensity above a certain threshold value (Fig. 1a– c), as described in det ...
... orientation, which then promotes formation of self-assembled linear structures directed along the beam scanning direction. These structures are then shaped into desired patterns via continuous steering of the laser beam with intensity above a certain threshold value (Fig. 1a– c), as described in det ...
Geometrical-optics code for computing the optical
... Absorption of electromagnetic radiation by absorptive dielectric spheres such as snow grains in the near-infrared part of the solar spectrum cannot be neglected when radiative properties of snow are computed. Thus a new, to our knowledge, geometrical-optics code is developed to compute scattering an ...
... Absorption of electromagnetic radiation by absorptive dielectric spheres such as snow grains in the near-infrared part of the solar spectrum cannot be neglected when radiative properties of snow are computed. Thus a new, to our knowledge, geometrical-optics code is developed to compute scattering an ...
Sidelobe decline in single-photon 4Pi microscopy by Toraldo rings
... whose main feature is its optical sectioning capacity (Wilson, 1990). The confocal technique was specifically designed to improve the axial resolution. However, it is notable that, due to the laws of diffraction, the resolution in the direction of the optical axis is, depending on the numerical aper ...
... whose main feature is its optical sectioning capacity (Wilson, 1990). The confocal technique was specifically designed to improve the axial resolution. However, it is notable that, due to the laws of diffraction, the resolution in the direction of the optical axis is, depending on the numerical aper ...
Guided-Wave Optical Biosensors
... density wave is associated with an electromagnetic wave, whose field vectors reach its maximum at the interface and evanescently decays into both media. This surface plasma wave (SPW) is a TMpolarized wave (magnetic vector is perpendicular to SPW propagation direction and parallel to interface plane ...
... density wave is associated with an electromagnetic wave, whose field vectors reach its maximum at the interface and evanescently decays into both media. This surface plasma wave (SPW) is a TMpolarized wave (magnetic vector is perpendicular to SPW propagation direction and parallel to interface plane ...
Transmission of Light Through Small Elliptical Apertures (Part 1)
... examples indicate that by direct appeal to Maxwell’s equations, lacking support from an underlying surface current, drop into especially the divergence laws, it is possible to obtain an intuitive the hole on the left side and re-emerge on the right side. (The Bpicture of the electromagnetic field di ...
... examples indicate that by direct appeal to Maxwell’s equations, lacking support from an underlying surface current, drop into especially the divergence laws, it is possible to obtain an intuitive the hole on the left side and re-emerge on the right side. (The Bpicture of the electromagnetic field di ...
Rate equation model of bulk optical damage of silica - AS
... damage threshold fluence was 25.4 ± 1.3 J/cm2. This is corrected for self focusing which reduces the focal waist area by 27%. 4. Pulse duration scaling of damage threshold in bulk fused silica The literature on optical damage in transparent material often claims that that the damage threshold fluenc ...
... damage threshold fluence was 25.4 ± 1.3 J/cm2. This is corrected for self focusing which reduces the focal waist area by 27%. 4. Pulse duration scaling of damage threshold in bulk fused silica The literature on optical damage in transparent material often claims that that the damage threshold fluenc ...
Quantitative determination of chromophore concentrations from 2D
... are required to obtain them, is their strong dependence on tissue structure, composition, and physiological status. Given that these can vary significantly between different tissue types, the quantitative accuracy of these methods and their validity are likely to be limited. To make truly quantitati ...
... are required to obtain them, is their strong dependence on tissue structure, composition, and physiological status. Given that these can vary significantly between different tissue types, the quantitative accuracy of these methods and their validity are likely to be limited. To make truly quantitati ...
Stable, mode-matched, medium-finesse optical cavity incorporating
... light, and studying macroscopic quantum phenomena.7 Each of these goals requires a high-finesse optical cavity in which one of the cavity mirrors is mounted on a micromechanical structure such as a cantilever. This is a challenge because the cavity’s finesse may be limited by diffraction losses from ...
... light, and studying macroscopic quantum phenomena.7 Each of these goals requires a high-finesse optical cavity in which one of the cavity mirrors is mounted on a micromechanical structure such as a cantilever. This is a challenge because the cavity’s finesse may be limited by diffraction losses from ...
Enhancing four-wave-mixing processes by nanowire arrays coupled to a gold film Ekaterina Poutrina,
... Four wave mixing (FWM) is a nonlinear optical process that has found numerous practical applications, including: optical processing [1–3]; nonlinear imaging [4, 5]; real-time holography and phase-conjugate optics [6–8]; phase-sensitive amplification [9, 10]; and entangled photon pair production [11, ...
... Four wave mixing (FWM) is a nonlinear optical process that has found numerous practical applications, including: optical processing [1–3]; nonlinear imaging [4, 5]; real-time holography and phase-conjugate optics [6–8]; phase-sensitive amplification [9, 10]; and entangled photon pair production [11, ...
Mechanical Properties and Microstructure of Zinc Oxide
... from edge cracks. The polished surfaces of the specimens were observed in an optical microscope and only specimens without any surface damage were tested in bending. Three-point flexural strength was measured in a fixture with 16 mm span and the polished surface of the specimen was stressed in tensi ...
... from edge cracks. The polished surfaces of the specimens were observed in an optical microscope and only specimens without any surface damage were tested in bending. Three-point flexural strength was measured in a fixture with 16 mm span and the polished surface of the specimen was stressed in tensi ...
Absorption-induced trapping in an anisotropic
... 1. Introduction It is well known that nonlinear optical effects can be enhanced by tuning the frequency of light passing through a medium close to a material resonance. Despite this resonant enhancement, the negative effects of strong linear absorption near resonance require a compromise between wor ...
... 1. Introduction It is well known that nonlinear optical effects can be enhanced by tuning the frequency of light passing through a medium close to a material resonance. Despite this resonant enhancement, the negative effects of strong linear absorption near resonance require a compromise between wor ...
Microscopes - Photonics Research Group
... a high-vacuum environment and other conditions compatible with electron imaging. Thus, for four decades following World War II, the light microscope in many fields took a back seat to the electron microscope. During the last decade, however, the light microscope has reemerged as an indispensable, po ...
... a high-vacuum environment and other conditions compatible with electron imaging. Thus, for four decades following World War II, the light microscope in many fields took a back seat to the electron microscope. During the last decade, however, the light microscope has reemerged as an indispensable, po ...
Increasing the Resolution of Far
... 19th century. Electron microscopes provide a resolution ranging from tens of nanometers down to the atomic scale depending on the imaging mode, e.g. scanning or transmission, and also on the sample. For biological applications a typical resolution of 0.1 nm is obtained(8). Atomic resolution can be a ...
... 19th century. Electron microscopes provide a resolution ranging from tens of nanometers down to the atomic scale depending on the imaging mode, e.g. scanning or transmission, and also on the sample. For biological applications a typical resolution of 0.1 nm is obtained(8). Atomic resolution can be a ...
Acetaminophen
... aqueous solutions. Being a base (with a lone pair available at one of the nitrogen atoms), it is highly soluble in strong acids because caffeine can be protonated and converted to a water-soluble salt. Like aspirin, caffeine is also soluble in dichloromethane. They can be easily separated by making ...
... aqueous solutions. Being a base (with a lone pair available at one of the nitrogen atoms), it is highly soluble in strong acids because caffeine can be protonated and converted to a water-soluble salt. Like aspirin, caffeine is also soluble in dichloromethane. They can be easily separated by making ...
Mid Infrared digital holography and Terahertz imaging
... have closed down their production lines due to the general tendency to prefer modern digital technologies. However, to date, this technique still suffers from some limitations due to the lower resolution of electronic recording devices compared to analog ones, limitations intended to diminish with t ...
... have closed down their production lines due to the general tendency to prefer modern digital technologies. However, to date, this technique still suffers from some limitations due to the lower resolution of electronic recording devices compared to analog ones, limitations intended to diminish with t ...
Chemical Force Spectroscopy in Heterogeneous Systems
... resolution (sub-nanometer) of the AFM, yields a technique capable of providing information about intermolecular interactions at nanometer scale.32-40 Recent success in chemical mapping of the surface functionality of oxidized polymer films with sub-50 nm resolution using CFM41 points to the need to ...
... resolution (sub-nanometer) of the AFM, yields a technique capable of providing information about intermolecular interactions at nanometer scale.32-40 Recent success in chemical mapping of the surface functionality of oxidized polymer films with sub-50 nm resolution using CFM41 points to the need to ...