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https://hdl.handle.net/2440/92437
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Type: | Conference paper |
Title: | Ultra-high stability cryocooled sapphire microwave oscillators |
Author: | Hilton, A. Hartnett, J. Ivanov, E. Luiten, A. |
Citation: | Proceedings 2014 IEEE International Frequency Control Symposium, 2014, pp.306-306 |
Publisher: | IEEE Computer Society |
Issue Date: | 2014 |
Series/Report no.: | IEEE International Frequency Control Symposium |
ISBN: | 9781479949168 |
ISSN: | 1075-6787 |
Conference Name: | 2014 IEEE International Frequency Control Symposium (IFCS) (19 May 2014 - 22 May 2014 : Taipei, TAIWAN) |
Statement of Responsibility: | Hilton A.P, Hartnett J.G., Ivanov E.N. and Luiten A.N. |
Abstract: | Two nominally identical microwave cryocooled sapphire oscillators (CSO) have been implemented at the University of Adelaide. The sapphire resonators have a turning point in their frequency-temperature dependence at approximately 6 K, which delivers first-order insensitivity to temperature fluctuations when operated at this point. Using a closed system ultra-low vibration pulse-tube cryocooler with a specially design cryostat [1], it is possible to control the rms temperature fluctuations at the resonator to the 10 μK level, while maintaining a low vibration environment. Combined with a loaded Q-factor of about 109, similar oscillators have shown an Allan deviation of fractional frequency fluctuations of σy = 5.8×10 -16 at 1 s [2]. © 2014 IEEE. |
Description: | Technical Paper |
Rights: | © IEEE. Personal use of this material is permitted. However, permission to reprint, republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to use any copyrighted component of this work in other works must be obtained from the IEEE. |
DOI: | 10.1109/FCS.2014.6859925 |
Grant ID: | http://purl.org/au-research/grants/arc/DP130104129 http://purl.org/au-research/grants/arc/LE130100163 http://purl.org/au-research/grants/arc/FT0991631 |
Published version: | http://dx.doi.org/10.1109/fcs.2014.6859925 |
Appears in Collections: | Aurora harvest 7 IPAS publications |
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