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
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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.
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Measurements
3
No significant differences between wrapping (~10%)
Choose black Tedlar because it is thin and opaque