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    <completedYear/>
    <publishedYear>2007</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
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    <issue/>
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    <publisherName/>
    <publisherPlace>St. Paul (USA)</publisherPlace>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <title language="eng">Nearly as hot as the sun: High-temperature fixed-points for radiation thermometry and radiometry</title>
    <subTitle language="eng">NCSLI Symposium Metrology’s Impact on Products and Services</subTitle>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>Klaus Anhalt</author>
    <author>Jörg Hollandt</author>
    <collection role="Regensburger_Klassifikation" number="U">Physik</collection>
    <collection role="Autoren" number="hartmann">Jürgen Hartmann</collection>
    <collection role="ddc" number="536">Wärme</collection>
  </doc>
  <doc>
    <id>2108</id>
    <completedYear/>
    <publishedYear>2005</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>189</pageFirst>
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    <publisherName/>
    <publisherPlace>Zagrep</publisherPlace>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <title language="eng">Thermodynamic measurements for the melting curves of Re-C, TiC-C, and ZrC-C eutectics</title>
    <parentTitle language="eng">Proceedings of Tempmeko 2004</parentTitle>
    <subTitle language="eng">LPM/FSB</subTitle>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>Jörg Hollandt</author>
    <author>Klaus Anhalt</author>
    <author>P. Sperfeld</author>
    <author>M. Sakharov</author>
    <author>Yu. Pikalev</author>
    <author>S. Ogarev</author>
    <author>V. Sapritsky</author>
    <collection role="Autoren" number="hartmann">Jürgen Hartmann</collection>
  </doc>
  <doc>
    <id>2109</id>
    <completedYear/>
    <publishedYear>2005</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1063</pageFirst>
    <pageLast>1068</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace>Zagrep</publisherPlace>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Comparison of the high-temperature scales of the NMIJ and the NPL with the scale of the PTB in the temperature range from 1000 °C up to 2900 °C for measurements within the EU project HIMERT</title>
    <parentTitle language="eng">Proceedings of Tempmeko 2004</parentTitle>
    <subTitle language="eng">LPM/FSB</subTitle>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>Klaus Anhalt</author>
    <author>Jörg Hollandt</author>
    <author>Graham Machin</author>
    <author>D. Lowe</author>
    <author>H. McEvoy</author>
    <author>F. Sakuma</author>
    <author>L. Ma</author>
    <collection role="Autoren" number="hartmann">Jürgen Hartmann</collection>
  </doc>
  <doc>
    <id>2112</id>
    <completedYear/>
    <publishedYear>2005</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>977</pageFirst>
    <pageLast>982</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace>Zagrep</publisherPlace>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Long-Term Stability of the Spectral Responsivity of Filter Radiometers at the PTB</title>
    <parentTitle language="eng">Proceedings of Tempmeko 2004</parentTitle>
    <subTitle language="eng">LPM/FSB</subTitle>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>Dieter Richard Taubert</author>
    <author>R. Friedrich</author>
    <author>P. Sperfeld</author>
    <author>Jörg Hollandt</author>
    <collection role="Regensburger_Klassifikation" number="U">Physik</collection>
    <collection role="Autoren" number="hartmann">Jürgen Hartmann</collection>
    <collection role="ddc" number="535">Licht, Infrarot- und Ultraviolettphänomene</collection>
  </doc>
  <doc>
    <id>2113</id>
    <completedYear/>
    <publishedYear>2005</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1093</pageFirst>
    <pageLast>1098</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace>Zagrep</publisherPlace>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">A comparison of the blackbody cavities for infrared ear thermometers of NMIJ, NPL, and PTB</title>
    <parentTitle language="eng">Proceedings of Tempmeko 2004</parentTitle>
    <subTitle language="eng">LPM/FSB</subTitle>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>J. Ishii</author>
    <author>T. Fukuzaki</author>
    <author>H.C. McEvoy</author>
    <author>R. Simpson</author>
    <author>Graham Machin</author>
    <author>B. Gutschwager</author>
    <author>Jörg Hollandt</author>
    <collection role="Regensburger_Klassifikation" number="U">Physik</collection>
    <collection role="Autoren" number="hartmann">Jürgen Hartmann</collection>
    <collection role="ddc" number="535">Licht, Infrarot- und Ultraviolettphänomene</collection>
  </doc>
  <doc>
    <id>2129</id>
    <completedYear/>
    <publishedYear>2008</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>231</pageFirst>
    <pageLast>232</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">The PriTeRa facility of PTB for spectral radiance and irradiance calibrations and radiation thermometry in the range from -170 °C up to 3200 °C and from 200 nm up to 50 µm</title>
    <parentTitle language="eng">Proceedings of NEWRAD</parentTitle>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>Klaus Anhalt</author>
    <author>B. Gutschwager</author>
    <author>C. Monte</author>
    <author>P. Sperfeld</author>
    <author>Dieter Richard Taubert</author>
    <author>Jörg Hollandt</author>
    <collection role="Autoren" number="hartmann">Jürgen Hartmann</collection>
  </doc>
  <doc>
    <id>1891</id>
    <completedYear/>
    <publishedYear>2009</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Encuentro Nacional de Metrología Eléctrica 2009</publisherName>
    <publisherPlace>Queretaro (Mexico)</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Radiation thermometry, thermodynamic temperature and emissivity measurements at the PTB</title>
    <abstract language="eng">To meet the increasing demand of calibrations in the field of radiation thermometry, the Physikalisch-Technische Bundesanstalt (PTB) operates two different setups for calibrations covering the temperature range from-60 C up to 3000 C. The first setup consists of several heat-pipe blackbodies in conjunction with platinum resistance thermometers, calibrated according to the International Temperature Scale of 1990 (ITS-90) and is applied for calibrations in the temperature range from-60 C to 961.78 C. In the temperature range from 962 C to 3000 C the calibration is based on high temperature blackbodies. The temperature of these blackbodies is determined in two independent ways: traceable to the ITS-90 gold fixed point or via absolutely calibrated filter radiometers (FR) traceable to the detector primary standard, the cryogenic radiometer. Taking advantage from the high accuracy of the FR calibration, these FRs have also been successfully used for the investigation of the thermodynamic accuracy of the ITS-90 in the range from 419 C to 962 C. For non-contact temperature measurements, the emissivity of the observed object is one of the most important parameters. Therefore, PTB has set up instrumentations for measuring the directional spectral and total emissivity of samples in air from 80 C up to 400 C over a spectral range from 4 µm to 40 µm and under vacuum from 0 C to 600 C and in the spectral range from 1 µm to 1000 µm.</abstract>
    <subTitle language="eng">an overview</subTitle>
    <identifier type="url">http://www.cenam.mx/dme/pdf/EXT_A-Vie-1.pdf</identifier>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>Dieter Richard Taubert</author>
    <author>Klaus Anhalt</author>
    <author>B. Gutschwager</author>
    <author>C. Monte</author>
    <author>Jörg Hollandt</author>
    <collection role="ddc" number="536">Wärme</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Würzburg-Schweinfurt</thesisPublisher>
  </doc>
  <doc>
    <id>1842</id>
    <completedYear/>
    <publishedYear>2009</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Traceable calibration of radiation sources from the visible to the far infrared for space borne applications at PTB</title>
    <abstract language="eng">The Physikalisch-Technische Bundesanstalt (PTB) has developed dedicated instrumentations and methods for the traceable calibration of space borne instruments in terms of the three fundamental radiometric units, i.e. spectral radiance (radiation temperature), spectral radiant intensity and spectral photon flux. The traceable calibration under conditions similar to the space environment is achieved by use of two major radiometric calibration facilities of PTB, the Spectral Radiance Comparator Facility (SRCF) and the Reduced Background Calibration Facility (RBCF) which are part of the Primary Temperature Radiator Facility of PTB and cover the wavelength range from the UV to the FIR (THz range). The improved detector instrumentations of the SRCF and RBCF, detailed calibration schemes and results of calibrations for space missions are presented.</abstract>
    <parentTitle language="eng">Proceedings of SPIE Volume 7474, Sensors, Systems, and Next-Generation Satellites XIII</parentTitle>
    <identifier type="url">https://doi.org/10.1117/12.830082</identifier>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>Dieter Richard Taubert</author>
    <author>C. Monte</author>
    <author>B. Gutschwager</author>
    <author>Jörg Hollandt</author>
    <collection role="ddc" number="629">Andere Fachrichtungen der Ingenieurwissenschaften</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Würzburg-Schweinfurt</thesisPublisher>
  </doc>
  <doc>
    <id>1844</id>
    <completedYear/>
    <publishedYear>2003</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>909</pageFirst>
    <pageLast>914</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>American Institute of Physics</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Comparison of the New NPL Primary Standard Ag Fixed‐Point Blackbody Source with the Primary Standard Fixed Point of PTB</title>
    <abstract language="eng">Above the freezing point of silver (961.78 °C), the International Temperature Scale of 1990 is defined in terms of Planck’s radiation law. The scale is maintained and disseminated using a validated and linear pyrometer in conjunction with a blackbody reference source at either the Ag, Au (1064.18 °C) or Cu (1084.62 °C) freezing point. In order to realize the scale with the highest precision high quality, well‐characterised, reproducible fixed‐point blackbody sources are required. Such sources have been maintained at NPL for a number of years, but it was felt that improvements to the design would be beneficial. A new Ag point blackbody source has therefore been constructed. The new design will improve the quality and reproducibility of the melting and freezing plateaux and reduce errors due to the ‘out‐of‐focus’ size‐of‐source effect which is difficult to measure and to eliminate. Full details of the design of the new …</abstract>
    <parentTitle language="eng">AIP Conference Proceedings (684)</parentTitle>
    <identifier type="isbn">0-7354-0153-5</identifier>
    <identifier type="url">https://aip.scitation.org/doi/abs/10.1063/1.1627244</identifier>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>H.C. McEvoy</author>
    <author>Graham Machin</author>
    <author>R. Friedrich</author>
    <author>Jörg Hollandt</author>
    <collection role="ddc" number="536">Wärme</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Würzburg-Schweinfurt</thesisPublisher>
  </doc>
  <doc>
    <id>1849</id>
    <completedYear/>
    <publishedYear>2003</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>135</pageFirst>
    <pageLast>141</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Improved thermal stability of the linear pyrometer LP3 for high temperature measurements within the EU-project Himert</title>
    <parentTitle language="eng">VDI Bericht 1784</parentTitle>
    <enrichment key="review.accepted_by">2</enrichment>
    <author>Jürgen Hartmann</author>
    <author>Klaus Anhalt</author>
    <author>Jörg Hollandt</author>
    <author>Ekkehard Schreiber</author>
    <author>Y. Yamada</author>
    <collection role="ddc" number="536">Wärme</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Würzburg-Schweinfurt</thesisPublisher>
  </doc>
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