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PTB news

The PTB news are a four-page information leaflet in German and English which is published three times yearly.

It informs about important and topical news from the areas of activity

  • Fundamentals of metrology
  • Applied metrology for industry, medicine and environmental protection
  • Measuring technology for the area under legal control
  • international cooperation

PTBnews as html-file

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  1. FolderPTB-news 2012.2 
    1. PageComparison of atomic clocks via the information superhighway 
    2. PageCurrent standard based on single electrons in the offing 
    3. PageAbsolute length measurements at temperatures down to 7 K 
    4. PageWave meets particle… 
    5. PageHow to take off the pressure 
    6. PageBetter comparability of blood tests 
    7. PageProtection from electrostatic charging 
    8. PageAnalyse von Fotomasken 
    9. Page3D laser resonator mounting 
    10. PageAwards 
    11. PageDates 
  2. FolderPTB-news 2012.1 
    1. PageLarge and precise 
    2. PageX-ray laser calibrated 
    3. PageSemiconductor quantum voltage source 
    4. PageSmall, deep, steep? – This is no longer a problem! 
    5. PageMRI system measures its own highfrequency field 
    6. PageRadiation to the eye: which dosemeter to use? 
    7. PageNew “pendulum” for the ytterbium clock 
    8. PageThermal conductivity of liquids and gases 
    9. PageAcoustic probe for measurements at the eardrum 
    10. PageUltra-low-noise preamplifier 
    11. PageAwards 
    12. PageAnniversary Publications 
    13. PageDates 
  3. FolderPTB-news 2011.3 
    1. PageSingle ions – extremely cool 
    2. PageLong-lasting and effi cient – without grinding teeth! 
    3. PageOne photon, one click 
    4. PageMetrology Light Source now ready for use 
    5. PageMagnetic nanoswitch for thermoelectric voltages 
    6. PageTerahertz radiation: no genotoxic effect on skin cells 
    7. PageMore reliable immunological tests 
    8. PageGas detector for VUV and EUV radiation 
    9. PageUltrafast MRAMs 
    10. PageTactile probe for micro-coordinate measuring machines 
    11. PageMiscellaneous 
  4. FolderPTB-news 2011.2 
    1. PagePTB obtains first value for Boltzmann constant 
    2. PageSensor test in operation 
    3. PageQuantum-based impedance bridges 
    4. PageCleaner thanks to ultrasound 
    5. PageSimulations show possible new mechanism for heart failure 
    6. PagePrecise measurement of radioactive thoron 
    7. PageSpatially resolved metabolite determination in the brain 
    8. PageDirection-dependent thermal conductivity 
    9. PageInterferometry and differently reflecting surfaces 
    10. PageLog measuring in harvesters 
    11. PageMiscellaneous 
  5. FolderPTB-news 2011.1 
    1. PagePTB‘s strontium lattice clock is ticking 
    2. PageCalibration of high-frequency oscilloscopes 
    3. PageHigh-precision 3D micrometrology 
    4. PageSpecial-effect varnishes – looks can be deceiving 
    5. PageThe size of nanoparticles now traceably determined 
    6. PageBetter radiation protection at doctor‘s surgeries 
    7. PageMonitoring after stroke 
    8. PageLaser radiation with less coherence 
    9. PageSleeve reduces risk of explosion 
    10. PageHomogeneous MR images 
    11. PageMiscellaneous 
  6. FolderPTB-news 2010.3 
    1. PageThe "new" kilogram is approaching 
    2. PageA well-rounded sphere 
    3. PageMeasuring resistances faster and more precisely 
    4. PageMolar mass of silicon is determined 
    5. PageDetecting breast cancer more reliably 
    6. PageHow large is “small”? 
    7. PageDKD Technical Committees go back to their roots 
    8. PageMeasuring the flatness of large surfaces 
    9. PageThermal conductivity – with pinpoint accuracy 
    10. PageMobile CCM for ultra-large components 
    11. PageMiscellaneous 
  7. FolderPTB-news 2010.2 
    1. PageSound creates light 
    2. PagePlease blow! 
    3. PageBiomarker rapid tests improved 
    4. PageHot fixed points 
    5. PageSimply smooth 
    6. PageParticle tracks in the cells 
    7. PagePlastic syringes: Dosage exact to the microlitre 
    8. PageGalileo: ground control gets its vital components 
    9. PageMeasuring force and displacement dynamically and with high precision 
    10. PageNovel cam standard 
    11. PageFast and robust trace gas analysis 
    12. PageMiscellaneous 
  8. FolderPTB-News 2010.1 
    1. PageFour primary PTB clocks contribute to UTC 
    2. PageExact pressure for the new Kelvin 
    3. PageKATRIN under voltage 
    4. PageHow good are high-power LEDs? 
    5. PageLuminescent double-strand breaks 
    6. PageFirst heart images with the 7 Tesla MRT 
  9. FolderPTB-news 2009.3 
    1. PagePTB produces first Bose-Einstein condensate with calcium atoms 
    2. PageBosonic cluster effect with helium 
    3. PageTransducer detects und produces picoforces 
    4. PageHighly sensitive measurement of optical nonlinearity 
    5. PageNew magnetic field measurement technique for medical research 
    6. PageRadar technology produces sharper MRT images 
  10. FolderPTB-News 2009.2 
    1. PageCollisions in optical lattice clocks under control 
    2. PageTaking the "gene ferry" to the site of operation 
    3. PageRadiometry with terahertz lasers 
    4. PageInsight into the immune system 
    5. PageQUEST Institute at PTB 
    6. PageNew silicon load cells 
    7. PageEU supports future metrological research 
  11. FolderPTB-News 2009.1 
    1. PageTowards 3D Nanometrology 
    2. PageReliable car sensors 
    3. PageEquivalence principle in space test 
    4. PageFine vacuum – now measurable with larger accuracy 
    5. PageMore reliable temperature fixed points 
    6. PageCentral certification body established 
    7. PageNew 7 Tesla nuclear spin tomograph 
  12. FolderPTB-News 2008.3 
    1. PageMeasuring nano- and picoforces 
    2. PageQuantum-precise electrical power 
    3. PageTracing climate change 
    4. PageElectronic "fixed point" for 20 °C 
    5. PageOptical Synthesizer 
    6. PageRobust single electron pump 
  13. FolderPTB-News 2008.2 
    1. PageA high-precision view of the sun 
    2. PageMeasuring forces in the mN range 
    3. PageThe quantum Hall effect in a twin pack 
    4. PageEMC testing on measuring systems on site 
    5. PageTHz radiation measured absolutely for the first time 
    6. PageFighting tumour with the correct dose 
    7. PageMetrological Research in a joint European cooperation 
    8. PageSynchrotron storage ring put into operation 
    9. PageSuccessful start for International Graduate School of Metrology 
  14. FolderPTB-News 2008.1 
    1. PageAvogadro Project: layer thickness of SiO2 
    2. PageThe most expensive spheres in the world 
    3. PageExact spectral emissivity measurements for radiation thermometry 
    4. PageExpansion of high tech materials 
    5. PageMagnetic nanoparticles: suitable for cancer therapy? 
    6. PageDirect-reading personal dosemeters 
  15. FolderPTB-News 2007.3 
    1. PageMeasuring the density of ultra-pure water 
    2. PageFaster X-ray interferometers due to single-photon interference 
    3. PageFizeau interferometers for surfaces with different reflectivity 
    4. PageFountain atomic clocks become even more precise 
    5. PageProfile waviness artifact for toothed gear flanks 
    6. PageUltra-fast magnetisation dynamics 
  16. FolderPTB-News 2007.2 
    1. PageNew low-temperature scale of PTB 
    2. PageThe standard metre from a hole in the wall 
    3. PageMeasuring the flowrate with force 
    4. PageMagnetic fields of micro- and nanostructures 
    5. PageMouse click into the world of gravity 
    6. PageHigh-precision length measurements 
    7. PageAward for Fritz Riehle 
  17. FolderPTB-news 2007.1 
    1. PageISS instrument characterized at BESSY 
    2. PageExtremely rapid SQUID electronics 
    3. PageQuantum voltmeter for alternating voltages 
    4. PageRobot goniophotometers for measurement of the luminous flux 
    5. PageJoint Optical Metrology Center 
    6. PageNovel DUV scatterometer ready for operation 
    7. PageJoint European Metrology 
  18. FolderPTB-News 2006.3 
    1. PageProbing of complex micro- and nanostructures 
    2. PageBroadband reference hydrophones for ultrasound 
    3. PageNew calibration facility for brachytherapy 
    4. PageInnovative photometer bench system 
    5. PagePTB is now a Notified Body for Measuring Instruments 
    6. PageGaming machines now control themselves 
  19. FolderPTB-News 2006.2 
    1. PageUniversal conductance at quantum-critical points 
    2. PageDynamic weighing of heat quantities 
    3. PageMicro-assembling robot 
    4. PageSmall world: micro-artifacts 
    5. PageHigh-precision chemical analysis: an optical reference procedure 
    6. PageHighest temperatures precisely fixed 
  20. FolderPTB-news 2006.1 
    1. PageA great leap forward towards the optical clock 
    2. PageFrom the quantum Hall effect to capacitance 
    3. PageArchiving of electronic documents 
    4. PageInternet portal on thermal metrology 
    5. PageWorldwide comparability of fluorescence measurements 
    6. PageDetector for microparticles in space 
  21. FolderPTB-News 2005.3 
    1. PageUltra-fast magnetic memories  
    2. PageThe micro-ion beam is speeding up 
    3. PageAvogadro Project: First isotope-pure silicon single-crystal 
    4. PageTowards the global natural gas cubic meter 
    5. PageAgainst the trend: NMR measurements in low fields 
    6. PageRadiation exposure mapped at flight altitudes 
  22. FolderPTB-News 2005.2 
    1. PageRadiography with fast neutrons 
    2. PageHigh-precision length measurements in space 
    3. PageHigh field microkelvin facility 
    4. PagePurely optical generation of Terahertz current pulses 
    5. PageNon-invasive measurement of blood perfusion in the brain 
    6. PageGalileo enters the next stage 
  23. FolderPTB-News 2005.1 
    1. PageEn route to an optical atomic clock 
    2. PageHigh-resolution sampling of ultrafast optical data signals 
    3. PageDissolution of tablets in the gastrointestinal tract made visible 
    4. PageRobust optical profiler 
    5. PageUniversal calibration device for simple length measuring tools 
    6. PageNew routes for technology transfer 
    7. PageECG process control via internet 
  24. FolderPTB-News 2004.3 
    1. PageThe world's largest facility for torque calibration 
    2. PageUnshielded SQUID current sensors 
    3. PageIllumination of magnetic resonance images 
    4. PageLight microscope measures nanostructures 
    5. PageMeasurement facility for smallest forces 
    6. PageAre fundamental constants really constant? 
  25. FolderPTB-News 2004.2 
    1. PageRapid simulation of the heartbeat 
    2. PageSingle nanomagnets made visible 
    3. PageIntensity monitor for free-electron lasers 
    4. PageDCF77 suitable for public warnings 
    5. PageTuneable IR laser radiation, generated with high efficiency  
    6. PageReliable due to PTB calibration: Mars Express discovers water and methane 
    7. PageHelmholtz Prize for Metrology 2005 
  26. FolderPTB-News 2004.1 
    1. PageEn route to an optical atomic clock 
    2. PageResonator-Solitons carry information 
    3. PageIndustrial computed tomography: increased accuracy 
    4. PageOrientation of silicon wafers can now be calibrated 
    5. PageCalibrating dynamic shock load 
    6. PageCertification body for measuring instruments 
    7. PageNASA photodetectors calibrated by PTB 
  27. FolderPTB-news 2003.3 
    1. PageSmallest measurement uncertainties for autocollimators 
    2. PageLinking the kilogram to an atomic mass 
    3. PageEuropean cooperation in thermal energy measurement 
    4. PageNew Optics Building at PTB Braunschweig 
    5. PageFour Decades of Technical Cooperation 
    6. PageDigital X-ray processing: How good is the technology? 
  28. FolderPTB-news 2003.2 
    1. PageHigh-accuracy optical frequency standard 
    2. PageNational traceability network for chemical analytics 
    3. PageMeasurement of ultrashort oscilloscope risetimes 
    4. PageInternational Awards for Andreas Bauch and Ekkehard Peik 
    5. PageRedefinition of the temperature unit? 
    6. PageVirtual CMM in use in industry 
    7. PagePTB time service prolonged 
  29. FolderPTB-news 2003.1 
    1. PageAvogadro constant re-measured 
    2. PageSemiconductor islands: From the artificial atom to the molecule 
    3. PageLarge reflectometer for extreme ultraviolet lithography 
    4. PagePrecise generation of ultra-low currents 
    5. PageNew measurement station for wafer quality control 
    6. PageExcellent ratings for PTB 
  30. FolderPTB-news 2003.2 
    1. PageUltraprecise flatness measurements of optical surfaces 
    2. PageLength measurements with nanometre-accuracy 
    3. PageContrast agents for magnetic resonance imaging 
    4. PageInherently safe despite higher pressure 
    5. PageCombined scanning tunnelling microscope and x-ray interferometer 
    6. PageNew primary standard flow liquid measurements 
    7. PageEvents 
  31. FolderPTB-news 2002.2 
    1. PageCalibration of large coordinate measuring machines 
    2. PageFirst successful telecalibration of a high-pressure gas meter 
    3. PageCharacterization of interfaces by means of X-ray scattering 
    4. PageNovel electronics for a Quantum computer 
    5. PageRequirements for cooling meters 
    6. PageNew low-temperature fixed point 
    7. PageHelmholtz-Prize 2003 
  32. FolderPTB-news 2002.1 
    1. Pagebeta-radiation standard for brachytherapy 
    2. PageRemote control via Internet 
    3. PageLight and colour of displays 
    4. PageImaging spectroscopy with continuous THz-radiation 
    5. PageNew method for early malaria recognition 
    6. PageLow-energy compact storage ring constructed in Berlin-Adlershof 
  33. FolderPTB-news 2001.3 
    1. PageMicro ion beam for radiobiology 
    2. PageNew apparatus to measure crystal orientation with unsurpassed accuracy 
    3. PageHighly precise comparisons of fountain frequency standards 
    4. PageCharacterization of analogue-to-digital converters 
    5. PageThermal conductivity of water and ice 
    6. PageIgnition by laser irradiation 
    7. PageTrade facilitated for exporters of weighing machines 
  34. FolderPTB-news 2001.2 
    1. PageTraceable power measurements in laser radiometry 
    2. PageChromosome changes after exposure to neutron radiation 
    3. PageSpherical interferometry in the nm range 
    4. PageFiber-optical microprobe for ultrasound and temperature 
    5. PageData storage for weighing instruments harmonized in Europe 
    6. PageHelmholtz Prize for 2001 awarded 
  35. FolderPTB-news 2001.1 
    1. PageConsistent Low-Temperature Scale Adopted 
    2. PageSoftware Test Centre Accredited 
    3. PageSmallest Density Inhomogeneities in Quartz Glass 
    4. PageRefractive Index - Traceability with Reference Liquids 
    5. PageSupport for EUV Lithography: Metrology with 13 nm Radiation 
    6. PageNews from the Editor 
    7. PageEuropean Network of Underground Laboratories 
    8. PagePTB Time in the Internet 
  36. FolderPTB-news 2000.3 
    1. PageOptical Frequency Measurements Substantially Simplified 
    2. PagePicosecond Voltage Pulses 
    3. PageAC Measurements with «Josephson Precision» 
    4. PageRecognition of Tests in Explosion Protection 
    5. PageNew Method for the Price Calculation of Natural Gases 
    6. PageThermal Conductivity of Masonry Units 
    7. PageModern Laboratories in a Historical Building 
    8. PageMicrolitre Dispensing of Human Blood Serum 
  37. FolderPTB-news 2000.2 
    1. PageSingle Electrons Riding the Surface Acoustic Waves 
    2. PageMulti-wave Standards – a Breakthrough in Form Measurement 
    3. PageSecondary Standard for Personal X-ray Dosimetry 
    4. PageThe «New» Helmholtz Prize 
    5. PageNew Building for Optical Metrology 
    6. PageMagnetoneurography 
    7. PageDynamic Power Measurement by Means of Ergometers 
    8. PageFast Three-dimensional Measurement of Flow Fields 
  38. FolderPTB-news 2000.1 
    1. PageEvaluation of Room Acoustical Software 
    2. PageECG Interpretation by Means of Pattern Recognition 
    3. PageAlleviations to Trade for the Weighing Industry 
    4. PageSoftware Testing for Pattern Approval 
    5. PageCalibration Standards for Scanning Probe Microscopes 
    6. PageEvents 
    7. PageRadiometry for X-ray Astronomy 
© Physikalisch-Technische Bundesanstalt, last update: 2012-04-25, Volker Großmann Seite drucken Printview, PDF-Export PDF