Design of the cold atom PHARAO space clock and initial test results

In this paper we describe the cold atom clock PHARAO, designed for microgravity operation. All elements of the PHARAO engineering model have been manufactured and delivered to CNES, the French space agency. We present the clock design, its main characteristics, and initial science operation. PHARAO...

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Veröffentlicht in:	Applied physics. B, Lasers and optics Lasers and optics, 2006-09, Vol.84 (4), p.683-690
Hauptverfasser:	LAURENT, P. H, ABGRALL, M, VEGA, J. F, GROSJEAN, O, PICARD, F, SACCOCCIO, M, CHAUBET, M, LADIETTE, N, GUILLET, L, ZENONE, I, DELAROCHE, C. H, SIRMAIN, C. H, JENTSCH, C. H, LEMONDE, P, SANTARELLI, G, CLAIRON, A, MAKSIMOVIC, I, BIZE, S, SALOMON, C. H, BLONDE, D
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomical and space-research instrumentation Astronomy Astrophysics Atomic and molecular physics Atomic clocks Atomic properties and interactions with photons Auxiliary and recording instruments clocks and frequency standards Clocks Cold atoms Delivery scheduling Earth, ocean, space Exact sciences and technology Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations Instruments, apparatus, components and techniques common to several branches of physics and astronomy Lasers Mathematical models Measurements common to several branches of physics and astronomy Metrology, measurements and laboratory procedures Optical cooling of atoms trapping Payloads Photon interactions with atoms Physics Spaceborne and space research instruments, apparatus and components (satellites, space vehicles, etc.) Spacecraft components Time and frequency
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Beschreibung
Zusammenfassung:	In this paper we describe the cold atom clock PHARAO, designed for microgravity operation. All elements of the PHARAO engineering model have been manufactured and delivered to CNES, the French space agency. We present the clock design, its main characteristics, and initial science operation. PHARAO is one of the main components of the Atomic Clock Ensemble in Space payload that is scheduled to fly on board the International Space Station in 2010.
ISSN:	0946-2171 1432-0649
DOI:	10.1007/s00340-006-2396-6