Wide Dynamic Range Beam Profile Monitor

An economical harp multiplexer system has been developed to achieve a wide dynamic range. The harp system incorporates a pneumatically actuated harp detector with ceramic boards and carbon wires; a high-sensitivity multiplexer packaged in a double-wide NIM module; and flat, shielded ribbon cable con...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1985, Vol.32 (5), p.1967-1969
Main Authors: Lee, D. M., Brown, D., Hardekopf, R., Bilskie, J. R., van Dyck, O. B.
Format: Article
Language:English
Subjects:
430200 - Particle Accelerators- Beam Dynamics, Field Calculations, & Ion Optics
ACCELERATORS
BEAM MONITORS
BEAM PROFILES
Cable shielding
Ceramics
Control systems
DESIGN
Detectors
Dynamic range
ELECTRONIC EQUIPMENT
LAMPF LINAC
LINEAR ACCELERATORS
MEASURING INSTRUMENTS
MESON FACTORIES
Monitoring
MONITORS
MULTIPLEXERS
Multiplexing
Packaging
PARTICLE ACCELERATORS
Signal to noise ratio
Wires
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Description
Summary:An economical harp multiplexer system has been developed to achieve a wide dynamic range. The harp system incorporates a pneumatically actuated harp detector with ceramic boards and carbon wires; a high-sensitivity multiplexer packaged in a double-wide NIM module; and flat, shielded ribbon cable consisting of individual twisted pairs. The system multiplexes 30 wires in each of the x and y planes simultaneously and operates with or without computer control. The system has operated in beams of 100 nA to 1 mA, 1-to 120-Hz repetition rate, with a signal-to-noise ratio of greater than 10/1.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.1985.4333783