A sensitive detection of high Rydberg atom with large dipole moment<xref rid="cpb_27_7_074207fn1" ref-type="fn">*</xref><fn id="cpb_27_7_074207fn1"> <label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 91421305, 91121005, and 11674359) and the National Key Basic Research Program of China (Grant No. 2013CB922003).</p></fn>

A sensitive detection of high Rydberg atom with large dipole moment* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 91421305, 91121005, and 11674359) and the National Key Basic Research Program of China (Grant No. 2013CB922003).

Zhang Shan-Shan^{1, 2}, Cheng Hong^{1, 2}, Xin Pei-Pei^{1, 2}, Wang Han-Mu^{1, 2}, Xu Zi-Shan^{1, 2}, Liu Hong-Ping^{1, 2, †}

(color online) Experimentally observed images of atomic cloud in zero field (a) and at copper rod voltage ± 45 V (b). The corresponding distributions of the atomic cloud integrated along the z-direction are also shown in panels (c) and (d) for clearly viewing the clipping effect. The image size is displayed in arbitrary units since it is proportionally scaled by the optical imaging system.