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Figure 7
Required number of elementary lenses to reach 1 m focus distance at a certain energy: hexagonal modification of boron nitride with density 2.18 g cm−3 (a) and cubic modification of boron nitride with density 3.41 g cm−3 (b). |
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Figure 7
Required number of elementary lenses to reach 1 m focus distance at a certain energy: hexagonal modification of boron nitride with density 2.18 g cm−3 (a) and cubic modification of boron nitride with density 3.41 g cm−3 (b). |