| DOI | Resolve DOI: https://doi.org/10.1098/rsta.2014.0024 |
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| Author | Search for: Parks, Harold V.1; Search for: Faller, James E. |
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| Affiliation | - National Research Council of Canada. Measurement Science and Standards
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| Format | Text, Article |
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| Subject | Fabry-Perot; Gravitational constant; Laser interferometer; Physical constants; Precision measurement; Simple pendulums |
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| Abstract | We present a detailed account of our 2004 experiment to measure the Newtonian constant of gravitation with a suspended laser interferometer. The apparatus consists of two simple pendulums hanging from a common support. Each pendulum has a length of 72 cm and their separation is 34 cm. A mirror is embedded in each pendulum bob, which then in combination form a Fabry-Perot cavity. A laser locked to the cavity measures the change in pendulum separation as the gravitational field is modulated due to the displacement of four 120 kg tungsten masses. |
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| Publication date | 2014-09-08 |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| NPARC number | 21272625 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | e1dc56ef-6a55-4f5d-b757-00c7e3f2c457 |
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| Record created | 2014-12-03 |
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| Record modified | 2020-04-22 |
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