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Background-free detection of trapped ions

Abstract:

We demonstrate a Doppler cooling and detection scheme for ions with low-lying D levels which almost entirely suppresses scattered laser light background, while retaining a high fluorescence signal and efficient cooling. We cool a single ion with a laser on the 2S1/2 ?2P1/2 transition as usual, but repump via the 2P3/2 level. By filtering out light on the cooling transition and detecting only the fluorescence from the 2P3/2 → 2S1/2 decays, we suppress the scattered laser light background count...

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Publisher copy:
10.1007/s00340-011-4870-z

Authors


Publisher:
Springer Verlag
Journal:
Applied Physics B: Lasers and Optics More from this journal
Volume:
107
Issue:
4
Pages:
1175-1180
Publication date:
2012-01-01
DOI:
ISSN:
0946-2171
Language:
English
Pubs id:
pubs:480642
UUID:
uuid:1cd8b37c-2fe9-41d1-a885-f58c55ca2257
Local pid:
pubs:480642
Source identifiers:
480642
Deposit date:
2014-08-22

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