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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2009.1033
|2 doi
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|a pubmed25n0623.xml
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|a (DE-627)NLM186756801
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|a (NLM)19251511
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Castagna, Natascia
|e verfasserin
|4 aut
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|a Investigations on continuous and pulsed interrogation for a CPT atomic clock
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 17.08.2009
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|a Date Revised 02.03.2009
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a We investigated the influence of some critical parameters and operating conditions such as cell temperature, laser intensity, and interrogation technique affecting the performances of a gas cell Cs frequency standard based on coherent population trapping (CPT). Thanks to an original experimental setup, the atoms can be trapped in the dark state and interrogated using continuous wave (CW) or pulsed coherent optical radiations. Using a double-lambda scheme, a signal contrast as high as 52% has been measured in the continuous regime for an optimum cell temperature of 35 degrees C. Compared with the conventional continuous CPT interrogation, the pulsed interrogation technique reduces the light shift by a factor of 300 and allowed it to reach high-frequency stability for higher laser intensities. The frequency stability has been measured to be 9 x 10(-13) for a 1 s integration time. Main noise contributions limiting the short-term and medium-term frequency stability are reviewed and estimated
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Boudot, Rodolphe
|e verfasserin
|4 aut
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1 |
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|a Guérandel, Stéphane
|e verfasserin
|4 aut
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| 700 |
1 |
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|a De Clercq, Emeric
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dimarcq, Noel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Clairon, André
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 56(2009), 2 vom: 01. Feb., Seite 246-53
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
1 |
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|g volume:56
|g year:2009
|g number:2
|g day:01
|g month:02
|g pages:246-53
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|u http://dx.doi.org/10.1109/TUFFC.2009.1033
|3 Volltext
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