A collimator is a device which narrows a beam of particles or waves. “To narrow” can mean either to cause the directions of motion to become more aligned...

A collimator sight is a type of optical sight that allows the user looking into it to see an illuminated aiming point aligned with the device the sight...

A multileaf collimator (MLC) is a collimator or beam-limiting device that is made of individual "leaves" of a high atomic numbered material, usually tungsten...

Rotational modulation collimators (or RMCs) are a specialization of the modulation collimator, an imaging device invented by Minoru Oda [fr; de]. Devices...

through it. There are three types of collimators: low energy, medium energy, and high energy collimators. As the collimators transitioned from low energy to...

approximately collimated by a number of processes, for instance by means of a collimator. Perfectly collimated light is sometimes said to be focused at infinity...

A Floating collimator was an early collimator widely used in astronomical observations. It was invented by the English physicist and astronomer Captain...

and collimator movements, reducing treatment times. The idealized intersection point of the gantry axis of rotation with that of the collimator and treatment...

particles, which are focussed in a particular direction of travel using collimators. Each radiotherapy beam consists of one type of particle intended for...

the collimator, mostly by the diameter of the collimator lens. The sight does not interfere with the overall view, particularly when the collimator light...

is fixed to the receiver) and the collimator (which is fixed to the barrel) can be sighted to match. Most collimators have grid patterns for rechecking...

A Cheshire eyepiece or Cheshire collimator is a simple tool that helps aligning the optical axes of the mirrors or lenses of a telescope, a process called...

telescopes were using simple collimating techniques (e.g. rotating collimators, wire collimators), the technology most used in the present day employs coded...

fitted with a target marker (laser micro collimator) or a high powered lamp (intense light spot collimator). Romania Romanian Intelligence Service Diac...

provided with two types of rail system for mounting various optical or collimator sights. A Picatinny rail on top of the receiver or a dove-tail side rail...

glass, split image device SD1: ground glass, cross collimator SD11: aerial image, cross collimator SE: ground glass SG: ground glass, grid SI: ground...

wide, and it is plated with supermirror coatings. Primary collimator There are Söller collimators prior to the monochromator in order to reduce the divergence...

were Dr. Elihu A. Boldt and Dr. Gordon P. Garmire. The A3, or Modulation Collimator (MC) instrument, provided high-precision positions of X-ray sources, accurate...

same relationship that they share in reality. But by shifting the x-ray collimator (radiation source) to one side and tilting it towards the objects (right)...

compensating filter is applied. X-ray filters are commonly mounted to the collimator (collimator-mounted) of an x-ray machine, where the photon beam exits the x-ray...

and blind collimator sights that are used with both eyes. Collimated reticles are created using refractive or reflective optical collimators to generate...

part of the reticle and its focusing rear eyepiece as a collimator sight. As in any other collimator sight, the user does not actually look through the sight...

simpler: the connector is simply plugged into a pre-aligned fiber-optic collimator, which contains a lens that is either accurately positioned to the fiber...

groups in several-second intervals. A PG-1M panoramic telescope with a K-1 collimator can be used for sighting.[citation needed] Each 2.87-meter (9 ft 5 in)...

generation computer. The projection unit in a typical HUD is an optical collimator setup: a convex lens or concave mirror with a cathode-ray tube, light...

black body) is focused onto a square test target at the focal plane of a collimator (the mirrors in the diagram), such that a virtual image of the test target...

also helped develop collimators for sharpening the images produced by gamma-ray scanners, and was referred to as 'Mr. Collimator' by colleagues. Beck...

target and flattener. A "field light" mode, which allowed the patient and collimator to be correctly positioned by illuminating the treatment area with visible...

monochromator designs do use focusing gratings that do not need separate collimators, most use collimating mirrors. Reflective optics are preferred because...

A wheel type radiotherapy device which has a long collimator to focus the radiation into a narrow beam. The caesium chloride radioactive source is the...