Single order soft X-ray diffraction with quasi-random radius pinhole array spectroscopic photon sieves

Zhang, Qiangqiang; Wei, Lai; Yang, Zuhua; Qian, Feng; Fan, Qunchao; Zhang, Bo; Gu, Yuqiu; Cao, Liangcai

doi:10.1088/1674-1056/23/4/044215

Cited by 4 publications

(3 citation statements)

References 22 publications

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“…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%

Higher order harmonics suppression in extreme ultraviolet and soft x-ray

et al. 2018

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The extreme ultraviolet and soft x-ray sources are widely used in various domains. Suppressing higher order harmonics and improving spectral purity are significant. This paper describes a novel method of higher order harmonics suppression with single order diffraction gratings in extreme ultraviolet and soft x-ray. The principle of harmonic suppression with single order diffraction grating is described, and an extreme ultraviolet and soft x-ray non-harmonics grating monochromator is designed based on the single order diffraction grating. The performance is simulated by an optical design software. The emergent beams of a monochromator with different gratings are measured by a transmission grating spectrometer. The results show that the single order diffraction grating can suppress higher order harmonics effectively, and it is expected to be widely used in synchrotron radiation, diagnostics of laser induced plasma, and astrophysics.

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Section: Introductionmentioning

confidence: 99%

Higher order harmonics suppression in extreme ultraviolet and soft x-ray

et al. 2018

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“…Based on the STG theory, Cao et al have proposed several types of binary sinusoidal transmission gratings [7][8][9][10][11][12][13][14][15] since 2007. All these binary sinusoidal gratings with nonharmonic diffraction are composed of lots of small size units or complicated structures.…”

Section: Introductionmentioning

confidence: 99%

“…Here, we report random position rectangle grating (RPRG) which is designed to overcome these disadvantages. The fabrication of RPRG is much easier than the binary sinusoidal gratings mentioned above [7][8][9][10][11][12][13][14][15] while the property of high-order diffraction restraint is kept. Its 1st-order theoretical absolute diffraction efficiency is as high as 4.1%, far above all binary sinusoidal transmission gratings.…”

Section: Introductionmentioning

confidence: 99%

A novel single-order diffraction grating: Random position rectangle grating

Yang¹,

Zhang²,

Wang³

et al. 2016

Chinese Phys. B

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Spectral diagnosis of radiation from laser plasma interaction and monochromation of radiation source are hot and important topics recently. Grating is one of the primary optical elements to do this job. Although easy to fabricate, traditional diffraction grating suffers from multi-order diffraction contamination. On the other hand, sinusoidal amplitude grating has the nonharmonic diffraction property, but it is too difficult to fabricate, especially for x-ray application. A novel nonharmonic diffraction grating named random position rectangle grating (RPRG) is proposed in this paper. Theoretical analysis and experiment results show that the RPRG is both higher order diffraction suppressing and not difficult to fabricate. Additionally, it is highly efficient; its first order absolute theoretical diffraction efficiency reaches 4.1%. Our result shows that RPRG is a novel tool for radiation diagnosis and monochromation.

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Statistical Analysis of Single-Order Diffraction Grating with Quasi-Random Structures

et al. 2023

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Single-order diffraction gratings with quasi-random structures are effective optical elements in suppressing harmonics contamination. However, background intensity fluctuations introduced by quasi-random structures may affect the measurement of the spectra and the fluctuations lack quantitative description. A unified theoretical method is provided to describe quasi-random diffraction structures with arbitrary distribution functions and an arbitrary number of microstructures. The effect of the number of microstructures and distribution functions on the level of background fluctuations is evaluated. This work provides important guidance for the design and optimization of single-order diffraction gratings, which are attractive for spectral analysis and monochromator applications in synchrotron beam lines.

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Single order soft X-ray diffraction with quasi-random radius pinhole array spectroscopic photon sieves

Cited by 4 publications

References 22 publications

Higher order harmonics suppression in extreme ultraviolet and soft x-ray

Higher order harmonics suppression in extreme ultraviolet and soft x-ray

A novel single-order diffraction grating: Random position rectangle grating

Statistical Analysis of Single-Order Diffraction Grating with Quasi-Random Structures

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