High-efficiency zone plates


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

- Optimized phase shift and low absorption

- Blazed optics overcome limitations of binary optics


Blazed fresnel zone plate

Three-level nickel zone plate with 200 μm diameter and effective 200 nm smallest zone width


P. Karvinen et al. Kinoform diffractive lenses for efficient nano-focusing of hard X-rays Optics Express 22 (2014) p. 16676

I. Mohacsi et al. High efficiency X-ray nanofocusing by multilevel zone plates Journal of Synchrotron Radiation 21 (2014) p. 497

I. Mohacsi et al. Fabrication and characterization of high efficiency double-sided blazed X-ray optics Optics Letters 41 (2016) p. 281