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51. 2002 Bauch Weyers - Phys.Rev.D65 LPI New experimental limit on the validity of local position invariance
Date: 26.02.2010
Percental score: 1 %

2002 Bauch Weyers - Phys.Rev.D65 LPI New experimental limit on the validity of local position invariance RAPID COMMUNICATIONS PHYSICAL REVIEW D, VOLUME 65, 081101共R兲 New experimental limit on the
52. 2010 Gerginov - Metrologia 47 CSF2 Evaluation
Date: 26.02.2010
Percental score: 1 %

2010 Gerginov - Metrologia 47 CSF2 Evaluation Uncertainty evaluation of the caesium fountain clock PTB-CSF2 V. Gerginov, N. Nemitz, S. Weyers, R. Schröder, D. Griebsch and R.
53. 2004 Bauch PTB-Mitt 114,4 DCF77
Date: 01.03.2010
Percental score: 1 %

2004 Bauch PTB-Mitt 114,4 DCF77 PTB-Mitteilungen 114 (2004), Heft 4 Themenschwerpunkt • 345 Zeit- und Normalfrequenzverbreitung mit DCF77 Dirk Piester1, Peter Hetzel2 und Andreas
54. Broadband measuring station for the extended testing of the directional response pattern of sound level meters and the calibration of measuring microphones
Date: 07.04.2010
Percental score: 4 %

It is common practice to use sinusoidal sound signals as an excitation signal to reach the low measurement uncertainties required for the testing of the directional response pattern of sound level
55. Benkler JLT2007
Date: 19.05.2010
Percental score: 2 %

Benkler JLT2007 JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 25, NO. 6, JUNE 2007 1531 Word-Synchronous Optical Sampling of Periodically Repeated OTDM Data Words for True Waveform Visualization Erik
56. Stenger PRL2002
Date: 19.05.2010
Percental score: 2 %

Stenger PRL2002 VOLUME 88, NUMBER 7 PHYSICAL REVIEW LETTERS 18 FEBRUARY 2002 Ultraprecise Measurement of Optical Frequency Ratios Jörn Stenger, Harald Schnatz, Christian Tamm, and Harald R.
57. Stenger PRA2001
Date: 19.05.2010
Percental score: 6 %

Stenger PRA2001 RAPID COMMUNICATIONS PHYSICAL REVIEW A, VOLUME 63, 021802共R兲 Phase-coherent frequency measurement of the Ca intercombination line at 657 nm with a Kerr-lens mode-locked femtosecond
58. Kovacich AO2000
Date: 19.05.2010
Percental score: 4 %

Kovacich AO2000 Short-pulse properties of optical frequency comb generators Richard P. Kovacich, Uwe Sterr, and Harold R. Telle An optical frequency comb generator, based on a simple electro-optic
59. The half-life of Se-79
Date: 13.07.2010
Percental score: 3 %

Within the scope of a cooperation of several institutes, the half-life of the long-lived isotope Se-79 could be determined with a clearly improved uncertainty. PTB has contributed in particular by
60. Successful testing of platinum-iridium sorption artefacts for precision mass determinations under vacuum conditions
Date: 27.07.2010
Percental score: 4 %

The influence of sorption effects on the accuracy of mass determinations under vacuum conditions was significantly reduced by means of sorption artefacts made of a platinum-iridium alloy. The

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