Publications in Scientific Journals:
M. Wilzbach, D. Heine, S. Groth, X. Liu, T. Raub, Björn Hessmo, H.-J. Schmiedmayer:
"Simple integrated single-atom detector";
Optics Letters,
34
(2009),
3;
259
- 261.
English abstract:
We present a reliable and robust integrated fluorescence detector capable of detecting single atoms. The detector consists of a tapered lensed single-mode fiber for precise delivery of excitation light and a multimode fiber to collect the fluorescence. Both are mounted in lithographically defined SU-8 holding structures on an atom chip. 87Rb atoms propagating freely in a magnetic guide are detected with an efficiency of up to 66%, and a signal-to-noise ratio in excess of 100 is obtained for short integration times.
Electronic version of the publication:
http://publik.tuwien.ac.at/files/PubDat_174501.pdf