Scintillating fiber-based photon beam profiler for the Jefferson Lab tagged photon beam line
A scintillating fiber hodoscope has been built for use as a photon beam profiler in the bremsstrahlung tagged photon beam in Hall B of the Thomas Jefferson National Accelerator Facility (Jefferson Lab). The device consists of a linear array of 64 2-2 mm2 scintillating fibers glued to a corresponding set of light guide fibers. Both fiber types use double-clad technology for maximum intensity. The light guide fibers are gently bent into a square array of holes and air-gap coupled to four compact position-sensitive photomultipliers (16 channel Hamamatsu R5900-M16). Custom electronics amplifies and converts the analog outputs to ECL pulses which are counted by VME-based scalars. The device consisting of the fibers, photomultipliers, and electronics is sealed within a light-tight aluminum box. Two modules make up a beam imaging 2-D system. The system has been tested successfully during an experimental run
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 840535
- Report Number(s):
- JLAB-PHY-00-93; DOE/ER/40150-3426; TRN: US0502056
- Resource Relation:
- Conference: IEEE Nuclear Science Symposium And Medical Imaging Conference, Lyon (FR), 10/15/2000--10/20/2000; Other Information: PBD: 1 Oct 2000
- Country of Publication:
- United States
- Language:
- English
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