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Figure 7
Focusing performance of a long kinoform lens as a function of the number of steps. (a) Peak intensity, (b) spot r.m.s. size, (c) focal depth, (d) global degree of coherence and (e) normalized photon flux with the various numbers of steps. |
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Figure 7
Focusing performance of a long kinoform lens as a function of the number of steps. (a) Peak intensity, (b) spot r.m.s. size, (c) focal depth, (d) global degree of coherence and (e) normalized photon flux with the various numbers of steps. |