bcal wrapping test - halldweb.jlab.org · bcal_wrapping_test.pptx author: elton smith created date:...
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Test of wrapping on light guides
Elton Smith Bcal Readout Meeting Mar 6, 2012
Setup
Use blue LED as source, SiPM as detector Insert white paper in front of fibers to diffuse light Test 3 wrappings (Tedlar, acid-free paper, Al mylar) Measure each wrapping three times, disassembling
setup each time.
Measurements
3
No significant differences between wrapping (~10%)
Choose black Tedlar because it is thin and opaque
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