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

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Názov:	A novel single-order diffraction grating: Random position rectangle grating.
Autori:	Zuhua Yang¹, Qiangqiang Zhang¹, Jing Wang¹, Quanping Fan¹, Yuwei Liu¹, Lai Wei¹, Leifeng Cao¹
Zdroj:	Chinese Physics B. May2016, Vol. 25 Issue 5, p1-1. 1p.
Predmety:	DIFFRACTION gratings, LASER plasmas, RADIATION sources, OPTICAL elements
Abstrakt:	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. [ABSTRACT FROM AUTHOR]
Databáza:	Academic Search Index

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Abstrakt:	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. [ABSTRACT FROM AUTHOR]
ISSN:	16741056
DOI:	10.1088/1674-1056/25/5/054209