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searching for Collimated beam 56 found (83 total)

Focus (optics) (493 words) [view diff] exact match in snippet view article

other. Diverging (negative) lenses and convex mirrors do not focus a collimated beam to a point. Instead, the focus is the point from which the light appears

Spectral radiance (2,007 words) [view diff] exact match in snippet view article find links to article

light from a star can be treated as a practically collimated beam, but apart from this, a collimated beam is rarely if ever found in nature, though artificially

Transmissometer (373 words) [view diff] exact match in snippet view article find links to article

the determination of visual range. It operates by sending a narrow, collimated beam of energy (usually a laser) through the propagation medium. A narrow

FASER experiment (1,468 words) [view diff] exact match in snippet view article find links to article

location, the FASER experiment is placed into an intense and highly collimated beam of both neutrinos as well as possible new particles. Additionally,

Spectral flux density (2,589 words) [view diff] exact match in snippet view article find links to article

light of the sun, can be treated as a practically collimated beam, but apart from this, a collimated beam is rarely if ever found in nature, though artificially

Afocal system (266 words) [view diff] exact match in snippet view article find links to article

afocal system. Although the system does not alter the divergence of a collimated beam, it does alter the width of the beam, increasing magnification. The

Autocollimation (451 words) [view diff] exact match in snippet view article find links to article

Autocollimation is an optical setup where a collimated beam (of parallel light rays) leaves an optical system and is reflected back into the same system

Moiré deflectometry (266 words) [view diff] exact match in snippet view article find links to article

(either phase object or specular surface) is mounted in the course of a collimated beam followed by a pair of transmission gratings placed at a distance from

Spatial filter (751 words) [view diff] exact match in snippet view article find links to article

light in the transform plane and using another lens to reform the collimated beam, the structure of the beam can be altered. The most common way of doing

Inverse photoemission spectroscopy (687 words) [view diff] exact match in snippet view article find links to article

electronic structure of surfaces, thin films, and adsorbates. A well-collimated beam of electrons of a well defined energy (< 20 eV) is directed at the

Plane mirror (774 words) [view diff] exact match in snippet view article find links to article

reflection is the angle between the reflected ray and the normal and a collimated beam of light does not spread out after reflection from a plane mirror,

Lens (8,337 words) [view diff] exact match in snippet view article find links to article

corresponds to a pair of lenses that transforms a parallel (collimated) beam into another collimated beam. This type of system is called an afocal system, since

Electron-beam processing (1,604 words) [view diff] exact match in snippet view article find links to article

cathode emits electrons that are both accelerated and shaped into a collimated beam by the electrostatic field geometry established by the gun's electrode

Atomic-terrace low-angle shadowing (982 words) [view diff] exact match in snippet view article find links to article

plasmonic nanostructures, of dimensions unachievable by lithography. A collimated beam of atoms or molecules is evaporated at an oblique angle to the substrate

External beam radiotherapy (2,830 words) [view diff] exact match in snippet view article find links to article

therapy (EBRT) is a form of radiotherapy that utilizes a high-energy collimated beam of ionizing radiation, from a source outside the body, to target and

ENUBET (1,011 words) [view diff] exact match in snippet view article find links to article

line by means of dipole and quadrupole magnets and are focused in a collimated beam into an instrumented decay tube. Large angle muons and positrons from

Electron gun (705 words) [view diff] exact match in snippet view article find links to article

anode at this small spot, through which the electrons pass to form a collimated beam before reaching a second anode, called the collector. This arrangement

Reconstruction from projections (1,307 words) [view diff] exact match in snippet view article find links to article

is denoted as d ( u , v ) {\displaystyle d(u,v)} . Now consider a collimated beam of radiation coming from the opposite orientation of v ^ {\displaystyle

M squared (908 words) [view diff] exact match in snippet view article find links to article

coupling to single-mode optical fiber. M2 determines how tightly a collimated beam of a given diameter can be focused: the diameter of the focal spot

Sylvia Fedoruk (746 words) [view diff] exact match in snippet view article find links to article

use targeted radiation to treat cancer in a patient. The machine's collimated beam of radiation could be adjusted to the size of the tumor to irradiate

Neutron reflectometry (866 words) [view diff] exact match in snippet view article find links to article

multilayered films. The technique involves shining a highly collimated beam of neutrons onto an extremely flat surface and measuring the intensity

Electrostatic lens (1,087 words) [view diff] exact match in snippet view article find links to article

The faster the particle the smaller the accumulated impulse. For a collimated beam the focal length is given as the initial impulse divided by the accumulated

Fizeau interferometer (785 words) [view diff] exact match in snippet view article find links to article

the rear surface of the flat from producing interference fringes. A collimated beam of monochromatic light illuminates the two flats, and a beam splitter

Beer–Lambert law (3,871 words) [view diff] exact match in snippet view article find links to article

density n. The latter two are related by Avogadro's number: n = NAc. A collimated beam (directed radiation) with cross-sectional area S will encounter Sℓn

Fourier-transform infrared spectroscopy (4,805 words) [view diff] exact match in snippet view article find links to article

interferometer throughput is determined only by the diameter of the collimated beam coming from the source. Although no slits are needed, FTIR spectrometers

Mass attenuation coefficient (909 words) [view diff] no match in snippet view article find links to article

the length, over which the attenuation takes place. When a narrow (collimated) beam passes through a volume, the beam will lose intensity to two processes:

Gridded ion thruster (1,562 words) [view diff] exact match in snippet view article find links to article

accelerated by high-voltage grids to generate thrust, and a highly collimated beam can be produced with substantial iodine dissociation. "Iodine thruster

Parabola (13,423 words) [view diff] no match in snippet view article find links to article

originates from a point source at the focus is reflected into a parallel ("collimated") beam, leaving the parabola parallel to the axis of symmetry. The same effects

ThrustMe (1,259 words) [view diff] exact match in snippet view article find links to article

accelerated by high-voltage grids to generate thrust, and a highly collimated beam can be produced with substantial iodine dissociation. Ravisetti, Monisha

Rajendra (radar system) (1,393 words) [view diff] exact match in snippet view article

antenna is fabricated at Bharat Electronics Limited (BEL), Ghaziabad. Collimated beam pattern and D/S curve for all 16 spot frequencies has been taken. Current

Mach–Zehnder interferometer (2,414 words) [view diff] exact match in snippet view article find links to article

so that fringes and test object can be photographed together. The collimated beam is split by a half-silvered mirror. The two resulting beams (the "sample

Dispersive prism (1,760 words) [view diff] exact match in snippet view article find links to article

stars and other astronomical objects. Insertion of a grism in the collimated beam of an astronomical imager transforms that camera into a spectrometer

Ball lens (1,280 words) [view diff] exact match in snippet view article find links to article

spherical lens). Due to the optical invariant, this allows light from a collimated beam to be focused to smaller diameters than could be achieved with other

Talbot effect (1,570 words) [view diff] exact match in snippet view article find links to article

case of light. Chapman et al. carried out an experiment in which a collimated beam of sodium atoms was passed through two diffraction gratings (the second

Angular resolution (2,332 words) [view diff] exact match in snippet view article find links to article

the radius, in the imaging plane, of the smallest spot to which a collimated beam of light can be focused, which also corresponds to the size of the

Attenuation coefficient (2,210 words) [view diff] no match in snippet view article find links to article

frequency; Le,Ω,λ is the spectral radiance in wavelength. When a narrow (collimated) beam passes through a volume, the beam will lose intensity due to two processes:

List of laser applications (2,749 words) [view diff] exact match in snippet view article find links to article

The high intensity of light that can be achieved in a small, well collimated beam can also be used to induce a nonlinear optical effect in a sample,

Panoramic radiograph (3,008 words) [view diff] exact match in snippet view article find links to article

the X-ray generator and the film. The X-ray source is rectangular collimated beam. Also the height of that beam covers the mandibles and the maxilla

Coherent anti-Stokes Raman spectroscopy (2,462 words) [view diff] exact match in snippet view article find links to article

distance so that the power grows quadratically. This signal forms a collimated beam that is therefore easily collected. The fact that the CARS signal is

Tomographic reconstruction (2,819 words) [view diff] exact match in snippet view article find links to article

minimum variance. Use of a noncollimated fan beam is common since a collimated beam of radiation is difficult to obtain. Fan beams will generate series

Time-domain holography (1,243 words) [view diff] exact match in snippet view article find links to article

compared with time-domain spectroscopy such as: PTDH is realized in a collimated beam, which means that the object can be stationary placed at any position

HyperSpike (812 words) [view diff] exact match in snippet view article find links to article

characterized by their ability to form a narrow beam of sound. This collimated beam can range from 5 degrees to 15 degrees at 2 kHz. The current models

Event Horizon Telescope (4,109 words) [view diff] exact match in snippet view article find links to article

jet extends even beyond its host galaxy while staying as a highly collimated beam which is a point of study. Edge-brightening of the jet was also observed

Helium atom scattering (2,568 words) [view diff] exact match in snippet view article find links to article

requires the beam to be pulsed through the mechanical chopper, producing collimated beam 'packets' that have a 'time-of-flight' (TOF) to travel from the chopper

Haze (optics) (1,768 words) [view diff] exact match in snippet view article

The test methods specify the use of a Hazemeter as shown below - A collimated beam of light from a light source (ASTM D1003 - Illuminant C, BS EN ISO

Quantum-cascade laser (4,494 words) [view diff] exact match in snippet view article find links to article

waveguide. This makes it possible to direct the emitted light into a collimated beam, and allows a laser resonator to be built such that light can be coupled

History of the oscilloscope (3,128 words) [view diff] exact match in snippet view article find links to article

unsynchronized, was provided by a spinning mirror polygon, and a collimated beam of light from an arc lamp projected the waveform onto the lab wall

Angular momentum of light (2,720 words) [view diff] exact match in snippet view article find links to article

and unambiguous is that of a "paraxial" light beam, that is a well collimated beam in which all light rays (or, more precisely, all Fourier components

Gaussian beam (6,961 words) [view diff] exact match in snippet view article find links to article

optics, this is typically best achieved by sending the largest possible collimated beam through a small focal length lens, i.e. by maximizing z R {\displaystyle

Printed electronics (5,429 words) [view diff] exact match in snippet view article find links to article

introduced around the aerosol stream to focus the droplets into a tightly collimated beam of material. The combined gas streams exit the print head through a

Laser (13,521 words) [view diff] exact match in snippet view article find links to article

However even such a divergent beam can be transformed into a similarly collimated beam employing a lens system, as is always included, for instance, in a

Polarization (waves) (9,416 words) [view diff] exact match in snippet view article

birefringent medium is sufficient, the two polarization components of a collimated beam (or ray) can exit the material with a positional offset, even though

Ion thruster (8,865 words) [view diff] exact match in snippet view article find links to article

accelerated by high-voltage grids to generate thrust, and a highly collimated beam can be produced with substantial iodine dissociation. SERT page Archived

Electron (15,582 words) [view diff] exact match in snippet view article find links to article

diffraction (LEED) is a method of bombarding a crystalline material with a collimated beam of electrons and then observing the resulting diffraction patterns

Interferometry (11,142 words) [view diff] exact match in snippet view article find links to article

necessitates that the illuminating light be collimated. Fig 6 shows a collimated beam of monochromatic light illuminating the two flats and a beam splitter

Neutron capture therapy of cancer (9,644 words) [view diff] exact match in snippet view article find links to article

used as the boron delivery agent, and patients were irradiated with a collimated beam of higher energy epithermal neutrons, which had greater tissue-penetrating