2015
DOI: 10.1038/srep16502
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Quasi suppression of higher-order diffractions with inclined rectangular apertures gratings

Abstract: Advances in the fundamentals and applications of diffraction gratings have received much attention. However, conventional diffraction gratings often suffer from higher-order diffraction contamination. Here, we introduce a simple and compact single optical element, named inclined rectangular aperture gratings (IRAG), for quasi suppression of higher-order diffractions. We show, both in the visible light and soft x-ray regions, that IRAG can significantly suppress higher-order diffractions with moderate diffracti… Show more

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Cited by 11 publications
(3 citation statements)
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“…For a deeper understanding of the photon sieve, paraxial and non-paraxial analytical expressions of the photon sieve were obtained by the Rayleigh–Sommerfeld integral [ 29 , 30 ]. The influence of the pinholes’ shape, which indicated the importance of the pinhole area, was sequentially discussed by researchers as well [ [31] , [32] , [33] , [34] ]. Large apertures or high numerical aperture photon sieves may contain millions or even hundreds of millions of pinholes that cause considerable inconvenience to simulation and optimization.…”
Section: Introductionmentioning
confidence: 99%
“…For a deeper understanding of the photon sieve, paraxial and non-paraxial analytical expressions of the photon sieve were obtained by the Rayleigh–Sommerfeld integral [ 29 , 30 ]. The influence of the pinholes’ shape, which indicated the importance of the pinhole area, was sequentially discussed by researchers as well [ [31] , [32] , [33] , [34] ]. Large apertures or high numerical aperture photon sieves may contain millions or even hundreds of millions of pinholes that cause considerable inconvenience to simulation and optimization.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, Cao et al proposed a new concept of x-ray dispersive element named as single order diffraction grating. [14][15][16][17][18][19] With optimal design of the structure, this grating can diffract x rays without higher order diffractions. It provides a new method to suppress any higher-order contamination in extreme ultraviolet and soft x ray.…”
Section: Introductionmentioning
confidence: 99%
“…38 Furthermore, EBL can generate arbitrary patterns for more flexible designs including variable gratings and binary optical elements. 51 To date, the nanofabrication of high-line-density x-ray TGs operating in the x-ray region is still technically challenging.…”
Section: Introductionmentioning
confidence: 99%