Detecting magnetically guided atoms with an optical cavity |
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Authors: | Haase Albrecht Hessmo Björn Schmiedmayer Jörg |
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Institution: | Physikalisches Institut, Universit?t Heidelberg, Germany. |
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Abstract: | We show that a low-finesse cavity can be efficient for detecting neutral atoms. The low finesse can be compensated for by decreasing the mode waist of the cavity. We have used a near-concentric resonator with a beam waist of 12 microm and a finesse of only 1100 to detect magnetically guided Rb atoms with a detection sensitivity of 0.1 atom in the mode volume. For future experiments on single-atom detection and cavity QED applications, it should be beneficial to use miniaturized optical resonators integrated on atom chips. |
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