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https://hdl.handle.net/2440/86918
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Type: | Conference paper |
Title: | Development of synthesis chains based on a cryogenic sapphire oscillator |
Author: | Kumagai, M. Ito, H. Hosokawa, M. Santarelli, G. Locke, C.R. Hartnett, J.G. |
Citation: | Proceedings, 2008 IEEE International Frequency Control Symposium, FCS, 2008, pp.576-580 |
Publisher: | IEEE |
Issue Date: | 2008 |
ISBN: | 9781424417957 |
ISSN: | 1075-6787 |
Conference Name: | 2008 IEEE International Frequency Control Symposium (19 May 2008 - 21 May 2008 : Honolulu, HI) |
Statement of Responsibility: | Motohiro Kumagai, Hiroyuki Ito, Mizuhiko Hosokawa, Giorgio Santarelli, Clayton R Locke, John G Hartnett |
Abstract: | We have developed a 1 GHz synthesis chain based on a cryogenic sapphire oscillator. The 11.2005 GHz output of the CSO is down-converted for laboratory distribution. The frequency stability of the down-converter itself is 2times10⁻¹⁵ at an averaging time of 1 second. The long-term drift of the CSO is suppressed by referencing it to a hydrogen maser linked to Japan Standard Time. An application of this highly stable reference is absolute frequency measurement of an ultra-narrow clock laser for the optical frequency standard performed using a frequency comb, in which the repetition rate is stabilized by the CSO signal. |
Rights: | ©2008 IEEE |
DOI: | 10.1109/FREQ.2008.4623065 |
Published version: | http://dx.doi.org/10.1109/freq.2008.4623065 |
Appears in Collections: | Aurora harvest 7 Physics publications |
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