Open AccessImprovement of the measuring precision by changing the pulse sequence in the three-level atom gravimeter
Author(s) -
Zheng Sen-Lin,
Jun Chen,
Qiang Lin
Publication year - 2005
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.54.3535
Subject(s) - gravimeter , atom (system on chip) , physics , astronomical interferometer , atomic physics , sequence (biology) , atom interferometer , phase difference , laser , phase (matter) , pulse (music) , optics , quantum mechanics , interferometry , chemistry , computer science , biochemistry , detector , embedded system
We introduced a method that can improve the measurement precision of the three-level atom gravimeter by changing the sequence of the pulses. A 3×3 matrix is put forward to describe the propagation of atomic beams, the interaction between the three-level atoms and bichromatic laser fields, and to calculate the phase difference of the atom interferometers. We obtained also the relation between g ravity and the phase difference of the atom gravimeter. It is found that the pre cision of the three-level atom gravimeter can be increased simply by change the sequence of the optical pulses.