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Beat frequency intercomparisons of127I2 stabilized ion lasers at 514.5 nm |
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| Authors: | F Spieweck G Camy P Gill |
| Institution: | 1. Labor 1.11 (L?ngeneinheit), Physikalisch-Technische Bundesanstalt (PTB), D-3300, Braunschweig, Fed. Rep. Germany 2. Laboratoire de Physique des Lasers (LPL), Centre Scientifique et Polytechnique de l'Université Paris-Nord, F-93430, Villateneuse, France 3. Division of Mechanical and Optical Metrology, National Physical Laboratory (NPL), Teddington, UK |
| Abstract: | International comparisons of I2 stabilized ion lasers operated at 514.5 nm have shown a laser frequency reproducibility of 2·10−10 v to 5·10−12 v. These results encouraged the international acceptance of the wavelength value λvac=514.673467 for thea 3 hyperfine component of the127I2 line 43-0P(13). |
| Keywords: | 6 20 Hg 42 55 Fn 42 60 By |
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