Focusing and photon-flux measurements of the 2.88 nm radiation at the sample plane of the Soft X-ray microscope, based on capillary discharge source

被引：4

作者：

Nawaz, M. Fahad ^{[1
,2
]}

Jancarek, Alexandr ^{[1
]}

Nevrkla, Michal ^{[1
]}

Wachulak, Przemyslaw ^{[2
]}

Limpouch, Jiri ^{[1
]}

Pina, Ladislav ^{[1
]}

机构：

[1] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Dept Phys Elect, CR-11519 Prague 1, Czech Republic

[2] Mil Univ Technol, Inst Optoelect, PL-00908 Warsaw, Poland

来源：

EUV AND X-RAY OPTICS: SYNERGY BETWEEN LABORATORY AND SPACE IV | 2015年 / 9510卷

关键词：

Soft X-rays (SXR); SXR microscopy; capillary discharge; XUV; water-window; Fresnel zone plate;

D O I：

10.1117/12.2197154

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Feasibility measurements leading to the development of a Soft X-ray (SXR) microscopy setup, based on capillary discharge XUV source is presented. Here the Z-pinching plasma is acting as a source of XUV radiation, emitting incoherent radiation in the "water-window" (lambda = 2.3 - 4.4 nm) region of interest (natural contrast between the carbon and oxygen edges). This soft X-ray microscopy setup will realize imaging of the biological objects with high spatial resolution. The 2.88 nm radiation line is filtered out from the water-window band, and is focused by an axi-symmetric ellipsoidal mirror, coated with nickle. The focussed spot size is measured and reported. Flux measurements for the available number of photons (photons/pulse) at the sample plane has been carried out with AXUV PIN diode at the sample plane (slightly out of focus). For imaging, a fresnel zone plate lens will be used as an objective. The overall compact transmission SXR microscopy setup design is presented.

引用

页数：7

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