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Applications of a Compact "Water Window" Source for Investigations of Nanostructures Using SXR Microscope

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Torrisi A., Wachulak P., Fahad Nawaz M., Bartnik A., Adjei D., Vondrová Š., Turňová J., Jančarek A., Fiedorowicz H.

Acta Physica Polonica A

2016

vol. 129

issue 2

169-171

A compact soft X-ray microscope based on a nitrogen double-stream gas puff target soft X-ray source, operating at He-like nitrogen spectral line at the wavelength of λ =2.88 nm is presented. The desk-top size microscope was successfully demonstrated in transmission mode using the Fresnel zone-plate objective and it is suitable for soft X-ray source microscopy in the "water window" spectral range (λ = 2.3÷ 4.4 nm). Details about the soft X-ray source source, the microscope and an example of application in the biomedical field are shown and discussed.

Nanoimaging Using Soft X-Ray and EUV Sources Based on Double Stream Gas Puff Targets

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Wachulak P., Torrisi A., Ayele M., Bartnik A., Węgrzyński Ł., Fok T., Czwartos J., Fiedorowicz H.

Acta Physica Polonica A

2018

vol. 133

issue 2

271-276

In this work we present recent results on nanoscale imaging in the extreme ultraviolet and soft X-ray spectral ranges, describing three novel imaging systems dedicated for high spatial resolution imaging of nanoscale objects with the extreme ultraviolet and soft X-ray radiations. The extreme ultraviolet and soft X-ray full field microscopes operate at 13.8 nm and 2.88 nm wavelengths and are capable of imaging of nanostructures with a sub-50 nm spatial resolution. A soft X-ray contact microscope operates in the "water-window" spectral range from 2.3 to 4.4 nm wavelength, to obtain images of an internal structure of the investigated object in a thin surface layer of soft X-ray light sensitive photoresist. The development of such compact imaging systems may, in the near future, be important from the point of view of new research related to biological, material science, and nanotechnology applications. Such preliminary applications are also shown in the studies of biological samples, including carcinoma cells, diatoms, and neurons.

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2 Acta Physica Polonica A

1 2018

1 2016

2 Bartnik A.

2 Fiedorowicz H.

2 Torrisi A.

2 Wachulak P.

1 Adjei D.

1 Ayele M.

1 Czwartos J.

1 Fahad Nawaz M.

1 Fok T.

1 Jančarek A.

1 Turňová J.

1 Vondrová Š.

1 Węgrzyński Ł.

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Applications of a Compact "Water Window" Source for Investigations of Nanostructures Using SXR Microscope

Nanoimaging Using Soft X-Ray and EUV Sources Based on Double Stream Gas Puff Targets