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Figure 4
Projection of the focal image of Fig. 3 on axes parallel to the edges of the focal square. The full width at half-maximum of the focal image is 1.4 mm, consistent with a cube size of 0.7 mm magnified by a factor of two. |
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Figure 4
Projection of the focal image of Fig. 3 on axes parallel to the edges of the focal square. The full width at half-maximum of the focal image is 1.4 mm, consistent with a cube size of 0.7 mm magnified by a factor of two. |