Embedded waveshifting fiber readout of long scintillators

Author

Wojcik, R. ; Kross, B. ; Majewski, S. ; Seaford, B. ; Weisenberger, A.G. ; Zorn, C.

Author_Institution

Continuous Electron Beam Accel. Facility, Newport News, VA, USA

Volume

40

Issue

4

fYear

1993

fDate

8/1/1993 12:00:00 AM

Firstpage

470

Lastpage

475

Abstract

A method was tested for reading out light from long scintillators by embedding, waveshifting fibers in longitudinal grooves made in the scintillators which are then connected to a photomultiplier (PM). With PMs on both ends of the fibers, attenuation lengths of over 5 m and light outputs of over 5 photoelectrons per MeV, were obtained from both sides of a BC 408 scintillator with five 2-mm BCF 92 fast green waveshifting fibers using a Hamamatsu green extended R 580-17 PM. With a reflector at one end of the fibers, attenuation lengths of over 10 ms were obtained. First results using inexpensive acrylic scintillators with this method are presented

Keywords

light absorption; optical fibres; scintillation counters; 10 m; 5 m; BC 408 scintillator; BCF 92 fast green waveshifting fibers; R 580-17; attenuation lengths; embedding; long scintillators; longitudinal grooves; photomultiplier; waveshifting fibers; Calibration; Electron accelerators; Electron beams; Fabrication; Light scattering; Optical attenuators; Optical fiber testing; Particle scattering; Photomultipliers; Region 3;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/23.256603

Filename

256603