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. 2013 Sep 10;252(2):159–168. doi: 10.1111/jmi.12079

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© 2013 The Authors. Journal of Microscopy published by JohnWiley & Sons Ltd on behalf of Royal Microscopical Society

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Fig 6 — (A) The total retardation as a function of the sample orientation angle α for a sample with positive elongation. The expected observable colours are also shown, from the Michel–Levy birefringence chart (Fig. 5). Note the blue and yellow hues for α close to . (B) Wavefront ellipses of the compensator and sample, vertical line represents the analyser axis.

Inline graphic — (A) The total retardation as a function of the sample orientation angle α for a sample with positive elongation. The expected observable colours are also shown, from the Michel–Levy birefringence chart (Fig. 5). Note the blue and yellow hues for α close to . (B) Wavefront ellipses of the compensator and sample, vertical line represents the analyser axis.