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High-efficiency zone plates

High-efficiency zone plates

Description- High efficiency due to material choice (Au, Ni, Si, SiO2, lr, Cr, Diamond)- Optimized phase shift and low absorption- Blazed optics overcome limitations of binary opticsExample

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Description

- High efficiency due to material choice (Au, Ni, Si, SiO2, lr, Cr, Diamond)

- Optimized phase shift and low absorption

- Blazed optics overcome limitations of binary optics


Example

                             Blazed fresnel zone plate

                         Three-level nickel zone plate with 200 μm diameter 

                                   and effective 200 nm smallest zone width