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A vibration-insensitive optical cavity and absolute determination of its ultrahigh stability

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Zhao,  Y. N.
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;

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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 Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Zhao, Y. N., Zhang, J., Stejskal, A., Liu, T., Elman, V., Lu, Z. H., et al. (2009). A vibration-insensitive optical cavity and absolute determination of its ultrahigh stability. OPTICS EXPRESS, 17(11), 8970-8982. doi:10.1364/OE.17.008970.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6BE1-6
Abstract
We use the three-cornered-hat method to evaluate the absolute frequency stabilities of three different ultrastable reference cavities, one of which has a vibration-insensitive design that does not even require vibration isolation. An Nd: YAG laser and a diode laser are implemented as light sources. We observe similar to 1 Hz beat note linewidths between all three cavities. The measurement demonstrates that the vibration-insensitive cavity has a good frequency stability over the entire measurement time from 100 mu s to 200 s. An absolute, correlation-removed Allan deviation of 1.4 x 10(-15) at 1 s of this cavity is obtained, giving a frequency uncertainty of only 0.44 Hz. (C) 2009 Optical Society of America