KIP publications

year 2013
author(s) W. Müssel, H. Strobel, M. Joos, E. Nicklas, I. Stroescu, J. Tomkovic, D. HUme and M. K. Oberthaler
title Optimized absorption imaging of mesoscopic atomic clouds
KIP-Nummer HD-KIP 13-37
KIP-Gruppe(n) F20
document type Paper
Keywords (shown) Absorption imaging Bose-Einstein Condensates improved atom number resolution
source APPLIED PHYSICS B-LASERS AND OPTICS, 2013, online published
Abstract (en)

We report on the optimization of high-intensity absorption imaging for small Bose–Einstein condensates. The imaging calibration exploits the linear scaling of the quantum projection noise with the mean number of atoms for a coherent spin state. After optimization for atomic clouds containing up to 300 atoms, we find an atom number resolution of Δ det =3.7 Δ det = 3.7 atoms, mainly limited by photon shot noise and radiation pressure.

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