Design and optimization of a parallel spectrometer for ultra-fast X-ray science

被引：12

作者：

Braig, Christoph ^{[1
]}

Loechel, Heike ^{[1
]}

Mitzner, Rolf ^{[2
]}

Quevedo, Wilson ^{[2
]}

Loukas, Panagiotis ^{[1
]}

Kubin, Markus ^{[2
]}

Weniger, Christian ^{[2
]}

Firsov, Alexander ^{[1
]}

Rehanek, Jens ^{[1
]}

Brzhezinskaya, Maria ^{[1
]}

Wernet, Philippe ^{[2
]}

Foehlisch, Alexander ^{[2
]}

Erko, Alexei ^{[1
]}

机构：

[1] Helmholtz Zentrum Mat & Energie, Inst Nanometeropt & Technol, D-12489 Berlin, Germany

[2] Helmholtz Zentrum Mat & Energie, Inst Methoden & Instrumentierung Forsch Synchrotr, D-12489 Berlin, Germany

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 10期

关键词：

REFLECTION ZONE PLATES; GRAZING-INCIDENCE; PULSES;

D O I：

10.1364/OE.22.012583

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In the present work, different varied line space (VLS) and reflection zone plate (RZP) gratings are analyzed for their suitability in low-signal femtosecond soft X-ray spectroscopy. The need for high efficiency suggests a straightened focal line whose sharpness and residual curvature will determine the quality. One-and two-dimensional VLS structures feature an attractive trade-off between a sufficient optical performance and a strongly relaxed fabrication, due to moderate line densities which are easily accessible by e-beam lithography. Based on fanned-out RZP arrays, their continuous limit version is identified to generate an almost perfect focal line however, with an aberration level three orders of magnitude better than for the VLS gratings and well below the diffraction limit over large acceptance angles. (C) 2014 Optical Society of America

引用

页码：12583 / 12602

页数：20

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