A Fringe Counting Laser Interferometer Manometer
A prototype standard mercury manometer using a fringe counting laser interferometer to measure the differential height of the mercury columns has been built and successfully operated. The 10.6 μ wavelength radiation from a CO2 laser and specially treated manometer tubes have been used to reduce the...
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| Veröffentlicht in: | Review of scientific instruments 1973-02, Vol.44 (2), p.180-182 |
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| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | A prototype standard mercury manometer using a fringe counting laser interferometer to measure the differential height of the mercury columns has been built and successfully operated. The 10.6 μ wavelength radiation from a CO2 laser and specially treated manometer tubes have been used to reduce the effect of disturbances on the mercury surface so that reliable operation of the manometer is possible. |
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| ISSN: | 0034-6748 1089-7623 |
| DOI: | 10.1063/1.1686077 |