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searching for Beam diameter 36 found (50 total)

Beam homogenizer (205 words) [view diff] exact match in snippet view article find links to article

spreads out the central concentrated energy of the beam among the entire beam diameter. A simple beam homogenizer can be just a murky piece of glass. However

Disk laser (2,051 words) [view diff] exact match in snippet view article find links to article

tried. The thickness of the disk is considerably smaller than the laser beam diameter. Initially, this laser cavity configuration had been proposed and realized

Diode-pumped solid-state laser (1,619 words) [view diff] exact match in snippet view article find links to article

to optical damage. Thus, high-power DPSSLs generally have a larger beam diameter, as the 1064 nm laser is expanded before it reaches the KTP crystal

EN 207 (609 words) [view diff] exact match in snippet view article find links to article

given laser with a beam diameter of 1 mm depends on the working mode and the wavelength as follows (EN 207:2017): If the beam diameter differs from 1 mm

Kerr-lens modelocking (1,061 words) [view diff] exact match in snippet view article find links to article

to a confocal one means to be close to instability, which means the beam diameter is sensitive to cavity changes. This emphasizes the modulation. With

P-14 radar (990 words) [view diff] case mismatch in snippet view article find links to article

rpm Range 400 km (250 mi) Altitude 30 km (19 mi); 65 km (40 mi) high beam Diameter 33 m (108 ft) Azimuth 360° Elevation 12/17 degrees Precision 1.2 km

Diaphragm (optics) (1,382 words) [view diff] exact match in snippet view article

laser beam passing through an iris diaphragm, while opening and closing the iris. Note changes in beam diameter observed on the downstream golden mirror.

Electrostatic deflection (710 words) [view diff] exact match in snippet view article find links to article

approximately 1/3 of the plate gap toward the deflecting plate. The useful beam diameter is also approximately 1/3 of the gap. L.W. Turner (ed)., Electronics

Porro prism (1,139 words) [view diff] exact match in snippet view article find links to article

typically deviated by 180° and displaced by a distance of at least one beam diameter. Porro prisms can reflect light rays that are not parallel to the optical

Optical chopper (673 words) [view diff] exact match in snippet view article find links to article

rotating disc, which is, in turn, limited by the disc radius and the beam diameter. Choppers were widely used in early missile guidance systems, and in

Airy disk (4,805 words) [view diff] exact match in snippet view article find links to article

A=\pi D^{2}/4} is the area of the beam ( D {\displaystyle D} is the beam diameter), λ {\displaystyle \lambda } is the wavelength, and f {\displaystyle

Parabolic aluminized reflector (1,654 words) [view diff] exact match in snippet view article find links to article

different colours. However, because of the lack of dynamic control over the beam diameter, shape and sharpness, PARs are rarely used as Front of House lights

Wehnelt cylinder (501 words) [view diff] exact match in snippet view article find links to article

voltage increases, the tip's emitting area (and along with it, the beam diameter and beam current) will decrease until it becomes so small that the beam

Chirped pulse amplification (2,157 words) [view diff] exact match in snippet view article find links to article

grating rather than two separate ones. This setup requires that the beam diameter is very small compared to the length of the telescope; otherwise undesirable

Cyclotron (7,857 words) [view diff] case mismatch in snippet view article find links to article

Name Country Date Energy Beam Diameter In use? Comments Ref Lawrence 4.5-inch Cyclotron United States 1931 80 keV Protons 4.5 inches (0.11 m) No First

Optical cavity (2,250 words) [view diff] exact match in snippet view article find links to article

cavity length (R1 = R2 = L). This design produces the smallest possible beam diameter at the cavity mirrors for a given cavity length, and is often used in

Parabolic reflector (2,638 words) [view diff] exact match in snippet view article find links to article

from a spherical aberration that becomes stronger as the ratio of the beam diameter to the focal distance becomes larger, parabolic reflectors can be made

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

Gaussian beam; such beams have the minimum divergence possible for a given beam diameter. Some lasers, particularly high-power ones, produce multimode beams

Electron microprobe (2,632 words) [view diff] exact match in snippet view article find links to article

(electron microprobe) at ONERA. This microprobe produced an electron beam diameter of 1-3 μm with a beam current of ~10 nanoamperes (nA) and used a Geiger

Solar irradiance (6,878 words) [view diff] exact match in snippet view article find links to article

reference. Variable beam power provides linearity diagnostics, and variable beam diameter diagnoses scattering from different instrument components. The Glory/TIM

Diffraction (6,613 words) [view diff] exact match in snippet view article find links to article

less than 1/4 of the wavelength) should be considered as a Gaussian beam diameter when determining the divergence of the laser beam. If the transverse

Ion implantation (4,211 words) [view diff] exact match in snippet view article find links to article

continue down the beamline. If the target surface is larger than the ion beam diameter and a uniform distribution of implanted dose is desired over the target

Direct laser interference patterning (3,290 words) [view diff] exact match in snippet view article find links to article

laser-based processing methods, such as direct laser writing, the laser beam diameter has not to be focused. This means that a significantly larger area can

Moose (14,929 words) [view diff] exact match in snippet view article find links to article

the record for the heaviest weight at 36 kilograms (79 lb). Antler beam diameter, not the number of tines, indicates age. In North America, moose (A

X-ray photoelectron spectroscopy (6,256 words) [view diff] exact match in snippet view article find links to article

is obtained.[citation needed] In laboratory systems, either 10–30 mm beam diameter non-monochromatic Al Kα or Mg Kα anode radiation is used, or a focused

Inertial confinement fusion (8,503 words) [view diff] exact match in snippet view article find links to article

higher or lower than other beams impinging and of "hot spots" within a beam diameter hitting a target which induces uneven compression on the target surface

Vanarsite (773 words) [view diff] exact match in snippet view article find links to article

conditions include 15keV accelerating voltage, 10 nA beam current, and a beam diameter of 10-15μm. In the analysis, vanadium, arsenic, strontium, sodium, and

Matrix-assisted laser desorption electrospray ionization (4,005 words) [view diff] exact match in snippet view article find links to article

oversampling method where the stage moving distance is smaller than the laser beam diameter, IR-MALDESI MSI at the cellular level was achieved at a spot-to-spot

Laser polishing (1,653 words) [view diff] exact match in snippet view article find links to article

parameters, viz. laser power, feed rate or scanning velocity, laser beam diameter, and distance between source (or precisely laser focal point) and workpiece

Laser safety (6,697 words) [view diff] exact match in snippet view article find links to article

dangerous in combination with optical instruments which change the beam diameter or power density, though even without optical instrument enhancement

Wale Oladipo (1,541 words) [view diff] case mismatch in snippet view article find links to article

Insulating Layers using Desorption Induced by Monatomic or Cluster Ions of Beam Diameter in the 5–10 μm Range"; A. Oladipo, M. Fallavier and J.P. Thomas; 1991;

Meyrowitzite (1,459 words) [view diff] exact match in snippet view article find links to article

The acceleration voltage was 15 keV, with a 10 nA beam current, and a beam diameter of 5μm. The raw X-ray intensities were corrected with a φρ(z) algorithm

Wafer bond characterization (3,294 words) [view diff] exact match in snippet view article find links to article

lateral resolutions depends on the ultrasonic frequency, the acoustic beam diameter and the signal-to-noise ratio (contrast). Unbonded areas, i.e. impurities

Environmental scanning electron microscope (8,297 words) [view diff] exact match in snippet view article find links to article

the resolving power of the instrument is determined by the electron beam diameter which is unaffected by the gas over the useful travel distance before

Hyperpolarization (physics) (8,328 words) [view diff] exact match in snippet view article

D1 line (electric-dipole transition) of the alkali metal and with a beam diameter matching the diameter of the optical cell, is then aligned with the

Single-walled carbon nanohorn (7,074 words) [view diff] exact match in snippet view article find links to article

laser source (with a wavelength of 10.6 μm, 5 kW of power, 10 nm of beam diameter, and the pulse width varies from 10 ms to continuous illumination) and