Title :
A compact laser-pumped Rb clock with 5×10−13 τ−1/2 frequency stability
Author :
Affolderbach, C. ; Gruet, F. ; Matthey, R. ; Mileti, G.
Author_Institution :
Lab. Temps-Frequence (LTF), Univ. of Neuchatel, Neuchâtel, Switzerland
Abstract :
We have realized a compact, laser-pumped Rb atomic frequency standard in view of next generation space applications. The clock´s Physics Package has a volume of 1.1 liters, and includes a frequency-stabilized diode laser and 2 clock resonator packages. The measured clock short-term stability is 5×10-13 τ-1/2, reaching <; 3×10-14 at τ >; 20´000s. The typical clock drift is 2×10-13/day, on the same level as the drift observed for a modified GALILEO RAFS operated with laser pumping under vacuum.
Keywords :
atomic clocks; laser frequency stability; optical pumping; optical resonators; semiconductor lasers; GALILEO RAFS; Rb; atomic frequency standard; clock drift; clock physics package; clock resonator package; clock short term stability; compact laser-pumped clock; frequency stabilized diode laser; next generation space application; Atomic clocks; Laser stability; Masers; Semiconductor lasers; Thermal stability; Time frequency analysis;
Conference_Titel :
Frequency Control and the European Frequency and Time Forum (FCS), 2011 Joint Conference of the IEEE International
Conference_Location :
San Fransisco, CA
Print_ISBN :
978-1-61284-111-3
DOI :
10.1109/FCS.2011.5977819
