Qusia-random rectangular holes self-supporting transmission grating
Alternative Title准随机矩形孔阵列透射光栅
Liu, YW; Zhang, WH; Zhang, JC; Fan, QP; Wei, L; Yan, ZY; Zhao, YD; Cui, MQ; Qiu, R; Cao, LF; Zhao YD(赵屹东); Cui MQ(崔明启)
Source Publication物理学报
AbstractSupport-mesh structures of a self-supporting transmission grating may decrease the transmission area and diffraction efficiency, thus exert a ill effect on the original diffraction pattern of the grating and make it complicated to apply, especially in soft X-ray region. To solve this problem, we put forward a method to realize a kind of totally self-supporting transmission grating by arranging the rectangular transmission holes in a high Z foil quasi-randomly. Based on Fraunhofer's diffraction theory, we make a theoretical analysis on the diffraction pattern of this new kind of grating. We also calculate the diffraction pattern of this new kind of grating based on the Kirchhoff's diffraction theory. Further more, we fabricate a sample grating of 1000 lines/mm using a focused ion beam (FIB) technology and then test it with the beam line 4B7B on the Beijing synchrotron radiation facility. Theoretical analysis and experimental result both show that the diffraction of the transmission grating can remove the ill effect of the support-mesh structures by using this newly designed method. Such a method can profit us in applications of this kind of X-ray dispersive element to a wide extent.
Keywordtransmission grating soft X-ray laser-plasma diagnosis inertial confinement fusion
Subject AreaPhysics
Indexed BySCI ; EI
WOS Research AreaPhysics, Multidisciplinary
WOS SubjectPhysics
WOS IDWOS:000354058800021
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Document Type期刊论文
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GB/T 7714
Liu, YW,Zhang, WH,Zhang, JC,et al. Qusia-random rectangular holes self-supporting transmission grating[J]. 物理学报,2015,64(7):74201.
APA Liu, YW.,Zhang, WH.,Zhang, JC.,Fan, QP.,Wei, L.,...&崔明启.(2015).Qusia-random rectangular holes self-supporting transmission grating.物理学报,64(7),74201.
MLA Liu, YW,et al."Qusia-random rectangular holes self-supporting transmission grating".物理学报 64.7(2015):74201.
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