During the July 2012 test beam period, we brought a lead fluoride (Pb F2) crystal that did not show very much difference between response to beam particles with polarizers rotated between the favorable and unfavorable orientations.

Consequently we removed the crystal from the beam and made a manual check to see if polarization was preserved when polarized light was passed through the crystal from one end to the other. We also made the same test for light that passed through the sides of the crystal.

Videos of these two sets of tests are attached to this page.

-- AlanSill - 18-Jul-2012

Topic attachments
I Attachment History Action Size Date Who Comment
Quicktime moviemp4 BSO-vs-PbF2-long-axis.mp4 r1 manage 26212.6 K 2012-07-18 - 20:27 AlanSill Video 1 of manual polarization test: light propagating along long axis, BSO and PbF2
JPEGjpg IMG_0359.JPG r1 manage 1610.4 K 2012-07-18 - 20:15 AlanSill Photo of manual polarization test setup
Quicktime moviemp4 PbF2-two-side-views.mp4 r1 manage 10643.6 K 2012-07-18 - 20:30 AlanSill Video 2 of manual polarization test: light propagating through sides of PbF2 crystal
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Topic revision: r2 - 2012-07-19 - AlanSill
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