NDLI: Quasi suppression of higher-order diffractions with inclined rectangular apertures gratings

Content Provider	PubMed Central
Author	Liu, Yuwei Zhu, Xiaoli Gao, Yulin Zhang, Wenhai Fan, Quanping Wei, Lai Yang, Zuhua Zhang, Qiangqiang Qian, Feng Chen, Yong He, Weihua Wu, Yinzhong Yan, Zhuoyang Hua, Yilei Zhao, Yidong Cui, Mingqi Qiu, Rong Zhou, Weimin Gu, Yuqiu Zhang, Baohan Xie, Changqing Cao, Leifeng
Copyright Year	2015
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 diffraction efficiency. Especially, as no support strut is needed to maintain the free-standing patterns, the IRAG is highly advantageous to the extreme-ultraviolet and soft x-ray regions. The diffraction efficiency of the IRAG and the influences of fabrication constraints are also discussed. The unique quasi-single order diffraction properties of IRAG may open the door to a wide range of photonic applications.
Related Links	http://dx.doi.org/10.1038/srep16502
Starting Page	16502
File Format	PDF
ISSN	20452322
e-ISSN	20452322
Journal	Scientific Reports
Volume Number	5
Language	English
Publisher	Nature Publishing Group
Publisher Date	2015-11-01
Access Restriction	Open
Rights Holder	Nature Publishing Group
Subject Keyword	Science and technology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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