| Custom and Special Purpose Irradiators
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Hopewell Designs, Inc.
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Albatross Range Irradiators
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The Albatross Irradiator was developed specifically to calibrate the Albatross detector -
a neutron detector that is insensitive to gamma radiation.
This irradiator has a neutron source and a gamma source, both of which can be exposed independently.
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Installation(s):
Los Alamos National Laboratories
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Beta Beam Irradiators
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Installation(s):
Idaho National Laboratory - DOELAP
Savannah River Site
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Gamma Free-in-Air Irradiators
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The Gamma Free-in-air Irradiator is similar in construction and operation to the
Gamma Beam Irradiator,
but the Gamma Free-in-air Irradiator provides omnidirectional radiation, not
a collimated beam.
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Installation(s):
Los Alamos National Laboratories
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Gamma Well Irradiators
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Installation(s):
Idaho National Laboratory - HPIL
Savannah River Site
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Low Level Table Irradiators
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Installation(s):
Idaho National Laboratory - DOELAP
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Mammography Range Irradiators
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The Mammography Range is used to calibrate the instruments that monitor mammography X-Ray systems.
This system at NIST is the national standard to which all mammography X-Ray systems must be traceable.
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Installation(s):
National Institute of Standards and Technology
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Neutron Free-in-Air Irradiators
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The Neutron Free-in-air Irradiator has two different neutron sources, each of which may be exposed
independently.
To minimize scatter from the floor, the source-exposed position is elevated,
and the irradiator is mounted on an aluminum floor.
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Installation(s):
Los Alamos National Laboratories
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Neutron Well Irradiators
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The Neutron Well Irradiator facilitates quick, efficient calibration of neutron detectors.
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Installation(s):
Los Alamos National Laboratories
Savannah River Site
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Phantom Calibration Range Irradiators
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The Phantom Calibration Range is being used to develop a national standard for the phantoms used to
calibrate whole-body counters.
The range is equiped with a four-axis Linear Positioning System with a 1000 pound capacity,
a gamma spectroscopy system, and associated shielding.
The computerized control system automatically positions the axes and collects gamma spectrum data.
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Installation(s):
National Institute of Standards and Technology
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Wide-Angle Free-Air Chambers
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The Wide-Angle Free Air Chamber (WAFAC) measures the activity of radioactive seeds used in the treatment of cancer.
The WAFAC is the national standard for this type of radioactive measurement.
Seed characterization, which consists of measurements, analysis, and reporting is under computer control.
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Installation(s):
National Institute of Standards and Technology
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Hopewell Designs, Inc.
5940 Gateway Drive, Alpharetta, GA 30004
770-667-5770 / FAX 770-667-7539
sales@hopewelldesigns.com
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