JLAB Fiber test results

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Kuraray Fiber tests

The following fibers from Kuraray have been tested for light output with a Sr90 source.

  • BLUE
  1. 81 MC lot:0801/103
  position     #photo-electrons
  =============================
   165cm        3.7  +/- 0.08
    65cm        5.1  +/- 0.2
   194cm        3.2  +/- 0.05 

  => Attenuation length L = 300cm
  1. 78 MC lot:0801/104
  position     #photo-electrons
  =============================
   194cm         3.9 +/- 0.07
    94cm         5.97+/- 0.27 
    61cm         6.99+/- 0.31

  => Attenuation length L = 230cm
  • GREEN
  1. 3HF MC lot:0801/105
  position     #photo-electrons
  =============================
    65cm        2.3  +/- 0.03
   165cm        1.95 +/- 0.01
    61cm        2.3  +/- 0.03
   161cm        1.95 +/- 0.02

  => Attenuation length L = 605.8 cm


Saint Gobain Fiber tests

The following fibers from Saint Gobain (aka Bicron) have been tested for light output with a Sr90 source.

  • GREEN
  1. BCF20 individualy packed labled Set2 1/8 #5
    This fiber is not very strait after about 100cm it starts to be wobbly.
  position     #photo-electrons
  =============================
   192cm        1.74  +/- 0.01
   100cm        2.18  +/- 0.02

  => Attenuation length L = 443 cm
  • GREEN
  1. BCF20 individualy packed labled Set2 3/8 #7
    This fiber is not very strait after about 100cm it starts to be wobbly.
  position     #photo-electrons
  =============================
   193cm        1.70 +/- 0.01
   100cm        2.13 +/- 0.03
    56cm        2.64 +/- 0.01

  => Attenuation length L = 412 cm
     Attenuation length L = 311 cm
  • GREEN
  1. BCF20 labeled: #620-MC-37 101796/18580 12/07/07 received in Dec. 2007
  position     #photo-electrons
  =============================
 100cm        0.88 +/- 0.02
  59cm        1.36 +/- 0.04
  59cm        1.32 +/- 0.03 
 193cm        0.31 +/- 0.01

  => Attenuation length L = 97.5 cm
     Attenuation length L = 91.5 cm
  • BLUE
  1. BCF12 #612-MC-5 20535 12/07/07
  position     #photo-electrons
  =============================
   56.0cm        4.83 +/- 0.11  
  101.5cm        4.27 +/- 0.10
  176.0cm        3.18 +/- 0.08

  => Attenuation length L = 328 cm
  • GREEN
  1. BCF60 #660-MC-16 10854 12/07/07 line 30
  position     #photo-electrons
  =============================
   56.0cm        1.93 +/- 0.02
   96.0cm        1.59 +/- 0.02 
  196.0cm        1.33 +/- 0.02

  => Attenuation length L = 560cm, 376cm
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