Optical systems for laser-produced plasma EUV and soft x-ray sources

A. Bartnik; H. Fiedorowicz; P. Wachulak; T. Fok; Ł. Węgrzyński

doi:10.1117/12.2518202

18 December 2018 Optical systems for laser-produced plasma EUV and soft x-ray sources

A. Bartnik, H. Fiedorowicz, P. Wachulak, T. Fok, Ł. Węgrzyński

Proceedings Volume 10976, 21st Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 109760K (2018) https://doi.org/10.1117/12.2518202
Event: 21st Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2018, Lednice, Czech Republic

Abstract

Laser-produced plasmas (LPP) are efficient sources of soft X-ray (SXR) and extreme ultraviolet (EUV) radiation. The emitted radiation can be collected and focused using grazing incidence or multilayer mirrors. This way radiation beams of high fluence can be formed. Their interaction with gases results in formation of photoionized plasmas of different parameters, depending on the fluence and properties of the gas. In this work LPP SXR and EUV sources, based on nanosecond Nd:YAG lasers and a double stream gas puff target are described. Parameters of the radiation pulses focused using the corresponding collectors, were measured. The sources were used for creation of the EUV induced, low temperature plasmas. For measurements of the weak EUV emission signals from these plasmas, a special detection system, containing a paraboloidal collector, was prepared. Time integrated, EUV intensity distribution in a focal spot of the collector, was measured using a back-illuminated CCD detector. Temporal measurements of the EUV signals were performed employing an AXUV photodiode mounted in the focal plane.

Citation Download Citation

A. Bartnik, H. Fiedorowicz, P. Wachulak, T. Fok, and Ł. Węgrzyński "Optical systems for laser-produced plasma EUV and soft x-ray sources", Proc. SPIE 10976, 21st Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 109760K (18 December 2018); https://doi.org/10.1117/12.2518202

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