Journal
APPLIED OPTICS
Volume 53, Issue 20, Pages 4468-4474Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.53.004468
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Funding
- Federal Ministry of Economics and Technology (BMWi) from an enactment of the German Bundestag [DLR 50WM0938, DLR 50WM1238, DLR 50WM1133]
- European Union [250072]
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Operating ultracold quantum gas experiments outside of a laboratory environment has so far been a challenging goal, largely due to the lack of sufficiently stable optical systems. In order to increase the thermal stability of free-space laser systems, the application of nonstandard materials such as glass ceramics is required. Here, we report on Zerodur-based optical systems which include single-mode fiber couplers consisting of multiple components jointed by light-curing adhesives. The thermal stability is thoroughly investigated, revealing excellent fiber-coupling efficiencies between 0.85 and 0.92 in the temperature range from 17 degrees C to 36 degrees C. In conjunction with successfully performed vibration tests, these findings qualify our highly compact systems for atom interferometry experiments aboard a sounding rocket as well as various other quantum information and sensing applications. c 2014 Optical Society of America
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