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Precision measurement of the refractive index of carbon dioxide with a frequency comb

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Lu,  Z. H.
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Wang,  L. J.
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Zhang, J., Lu, Z. H., & Wang, L. J. (2007). Precision measurement of the refractive index of carbon dioxide with a frequency comb. OPTICS LETTERS, 32(21), 3212-3214. doi:10.1364/OL.32.003212.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-6D0A-9
Abstract
We report a higher precision measurement of the refractive index of carbon dioxide using a frequency comb as the light source in a Mach-Zehnder interferometer setup. The experimental sensitivity can reach the level of 8.8 X 10(-9). Taking into account the measurement accuracy of temperature and pressure, the experimental accuracy has a value of 1.2 X 10(-8). The measurement result has a deviation from the commonly quoted result [Old et al., J. Opt. Soc. Am. 61, 89 (1971)] by 6.4 X 10(-7) at 800 nm. (c) 2007 Optical Society of America.