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  • noun

Words related to collimator

a small telescope attached to a large telescope to use in setting the line of the larger one

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optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens

References in periodicals archive ?
M6(TM) System using the new InCise(TM) 2 Multileaf Collimator (MLC).
Delivery and supplies collimators and compensators Brass pre-uisnes plexiglass for the Proton Therapy Center of the Institut Curie (Orsay).
Such a magnetic system acts as a magnetic collimator for decay electrons.
Under computer guidance, "dynamic" multileaf collimators can change their shape during treatment, thereby giving rise to intensity-modulated radiation therapy (IMRT).
The Millennium MLC-120 brings to four the number of multileaf collimators now available from the company.
A set of collimators average gamma energy for general use,
One of the evidences for relation of a histogram shape with diurnal Earth rotation was results of experiments with alpha-activity measurements with West- and East-directed collimators [5].
Varian Oncology Systems is the market leader in multileaf collimators, with more than 700 systems installed worldwide, more than all its competitors combined.
Inveon features advanced multi-pinhole SPECT collimators for improved sensitivity and spatial resolution; groundbreaking new PET and SPECT acquisition and processing technology; and a unique PET transmission method for faster and more accurate attenuation correction.
Tenders are invited for Supply, Installation And Commissioning , Training And Warranty Of 1) Gamma Radioactivity Tlc Scanner 2) Collimators For 60-150 Kev Gamma Energy 3) Collimators For 150-250 Kev Gamma Energy 4) Collimators For 250-450 Kev Gamma Energy 5) Gamma Reference Standard Cs-137 With Holder For Qc Procedure 6) Windows Based Daq System To Be Supplied Along With The System Conforming To Purchasers Tender Specification To Be Delivered At Vecc Stores, Kolkata - 700 064.
First, the system's SMARTZOOM collimators focus on the heart, collecting up to four times more counts than conventional, parallel hole collimators.
Semi-conductor detectors used were either collimator-free or equipped with collimators limiting the beam of registered alpha-particles by a spatial angle (about 0.
A direct measurement of the nn-scattering length is to be performed by the time-of-flight (TOF) method by counting the scattered neutrons arriving after the reactor burst at a detector placed behind special collimators far away from the reactor.