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Calibration of windowless photodiode for extreme ultraviolet pulse energy measurement
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SYSNO ASEP 0456145 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Calibration of windowless photodiode for extreme ultraviolet pulse energy measurement Author(s) Koláček, Karel (UFP-V) RID
Schmidt, Jiří (UFP-V) RID
Štraus, Jaroslav (UFP-V) RID
Frolov, Oleksandr (UFP-V) RIDSource Title Applied Optics . - : Optical Society of America - ISSN 1559-128X
Roč. 54, č. 35 (2015), s. 10454-10459Number of pages 6 s. Publication form Print - P Language eng - English Country US - United States Keywords Photodetectors ; Soft-X-ray ; Extreme ultraviolet ; Detection ; Filters ; Metrology Subject RIV BH - Optics, Masers, Lasers R&D Projects LG13029 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFP-V - RVO:61389021 UT WOS 000366605900022 DOI 10.1364/AO.54.010454 Annotation For energy measurement of extreme ultraviolet pulses, no universal commercially available device is available. Therefore, a co-axial setup of a vacuum photodiode was developed and tested. First its unsuccessful calibration at the National Institute of Standards and Technology (USA) is mentioned. Then our own single-wavelength (46.9 nm) calibration procedure is described in detail. It is based on tabulated photoemission efficiency and on measured (1) anode collection efficiency, (2) attenuation of Al filters, and (3) attenuation of measuring cables. Some other relevant attenuating factors are also taken into account. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2016
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