1 Introduction - Stony Brook Laser Teaching Center
... ones being the measurement of the Rayleigh range of lasers, the construction of interferometers, and alignment of optical elements. To determine the Rayleigh range, the beam’s radius w(z) was measured at five or six distances from the laser using the pinhole method. A 100 µm diameter pinhole was tra ...
... ones being the measurement of the Rayleigh range of lasers, the construction of interferometers, and alignment of optical elements. To determine the Rayleigh range, the beam’s radius w(z) was measured at five or six distances from the laser using the pinhole method. A 100 µm diameter pinhole was tra ...
6.1. Gabor`s (In-line) Holography. In 1948, Dennis Gabor introduced
... Vander Lugt showed in 1964 that “matched filters” can be recorded optically and used for applications such as character recognition [14]. The idea is to calculate the cross-correlation between the known signal of interest and an unknown signal which, as a result, determine (“recognize”) the presence ...
... Vander Lugt showed in 1964 that “matched filters” can be recorded optically and used for applications such as character recognition [14]. The idea is to calculate the cross-correlation between the known signal of interest and an unknown signal which, as a result, determine (“recognize”) the presence ...
Accepted version - Queen Mary University of London
... that possesses OAM4, 23. Compared with laser beam being focused directly to the particle, optical vortex with doughnutshaped intensity distribution leads to less instant heating and photodamage because of its relatively large illumination area22. Therefore optical vortex is an attractive candidate f ...
... that possesses OAM4, 23. Compared with laser beam being focused directly to the particle, optical vortex with doughnutshaped intensity distribution leads to less instant heating and photodamage because of its relatively large illumination area22. Therefore optical vortex is an attractive candidate f ...
Whispering gallery modes of microspheres in the presence of a
... off the inner surface of the sphere, the reflected wave experiences a certain “phase delay.” This phase delay is a function of the light wavelength, , incidence angle, i as well as the sphere-to-surrounding refraction index ratio, n1 / n2. Therefore, for a given laser wavelength and coupling angle ...
... off the inner surface of the sphere, the reflected wave experiences a certain “phase delay.” This phase delay is a function of the light wavelength, , incidence angle, i as well as the sphere-to-surrounding refraction index ratio, n1 / n2. Therefore, for a given laser wavelength and coupling angle ...
Diffusing-wave spectroscopy: dynamic light scattering in the
... light travels through the effective background medium. For particles which are not small compared to A, the scattering is anisotropic, and the mean number of scattering events, no, required to randomize the direction of light propagation is greater than one. The length scale over which this randomiz ...
... light travels through the effective background medium. For particles which are not small compared to A, the scattering is anisotropic, and the mean number of scattering events, no, required to randomize the direction of light propagation is greater than one. The length scale over which this randomiz ...
Optical Comms 2004 (Summer)
... Absorption of light caused by impurities in the fibre, such as water and metals ions. One of the most common impurities is dissolved water in the glass, present as the hydroxyl or OH ion. In this case the fundamental processes takes place between 2700 nm and 4200 nm, but gives rise to so called abso ...
... Absorption of light caused by impurities in the fibre, such as water and metals ions. One of the most common impurities is dissolved water in the glass, present as the hydroxyl or OH ion. In this case the fundamental processes takes place between 2700 nm and 4200 nm, but gives rise to so called abso ...
Double Negative Materials (DNM) - Institute for Defense Analyses
... Double Negative Material (DNM)—What is it? ...................................... 1-1 ...
... Double Negative Material (DNM)—What is it? ...................................... 1-1 ...
Formation of high-field magnetic white dwarfs from common envelopes
... Bϕ ∼ 2 × 104 G. To survive past the PN stage, the fields must reach the WD surface (which is the core of the AGB star, a distance L ≃ Rconv interior to the base of the convective zone; see figure 3 of ref. 18 for a pictorial representation), anchor, and sustain or induce a field in the WD. The latte ...
... Bϕ ∼ 2 × 104 G. To survive past the PN stage, the fields must reach the WD surface (which is the core of the AGB star, a distance L ≃ Rconv interior to the base of the convective zone; see figure 3 of ref. 18 for a pictorial representation), anchor, and sustain or induce a field in the WD. The latte ...
Optical Fredericks Transition in a Nematic Liquid Crystal Layer
... Fredericks transition in the nematic liquid crystal 5CB (Durbin et al. 1981), nonlinear light amplification in MBBA above the Fredericks transition by a magnetic field (Khoo and Zhuang 1980). A quantitative theory to describe the reorientation of the director of a nematic liquid crystal induced by t ...
... Fredericks transition in the nematic liquid crystal 5CB (Durbin et al. 1981), nonlinear light amplification in MBBA above the Fredericks transition by a magnetic field (Khoo and Zhuang 1980). A quantitative theory to describe the reorientation of the director of a nematic liquid crystal induced by t ...
Text - Enlighten: Publications
... each oxidation state assignment.21,26 A substantial portion of their work has focused on the initial pre-edge transition, which can be found in the range of 8978–8982 eV. In the case of complexes that are comprised of metal centers coordinated by closed-shell ligands, i.e. ligands that form largely ...
... each oxidation state assignment.21,26 A substantial portion of their work has focused on the initial pre-edge transition, which can be found in the range of 8978–8982 eV. In the case of complexes that are comprised of metal centers coordinated by closed-shell ligands, i.e. ligands that form largely ...
from ucf.edu - CREOL - University of Central Florida
... The correspondence between operators and physical quantities is crucial within the context of quantum mechanics. Since any physically measurable quantity must always be real, the eigenvalues of every quantum operator corresponding to it should also belong to the real set. This leads to one of the ba ...
... The correspondence between operators and physical quantities is crucial within the context of quantum mechanics. Since any physically measurable quantity must always be real, the eigenvalues of every quantum operator corresponding to it should also belong to the real set. This leads to one of the ba ...
Systematics-insensitive periodic signal search with K2
... by removing the best fitting systematic trends, described by a certain combination of the ELCs, at the best fitting period of the sinusoid. The bottom panel shows the SIP. Each of these three methods measures a rotation period of around 20 days for this target. This example demonstates the ability o ...
... by removing the best fitting systematic trends, described by a certain combination of the ELCs, at the best fitting period of the sinusoid. The bottom panel shows the SIP. Each of these three methods measures a rotation period of around 20 days for this target. This example demonstates the ability o ...
In text you refer to OAP mirrors as 2nd etc, In fig, they are labeled
... The Linac Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory is a free-electron laser (FEL) capable of producing some of the shortest x-ray pulses ever observed. By sending pulses of electron bunches less than ten femtoseconds in duration through magnetic fields that force them ...
... The Linac Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory is a free-electron laser (FEL) capable of producing some of the shortest x-ray pulses ever observed. By sending pulses of electron bunches less than ten femtoseconds in duration through magnetic fields that force them ...
