supported by the National Natural Science Foundation of China (No.51275523);the State Key Laboratory of Aerodynamics Research Fund (No.SKLA2019040302)。
We present a compact and practical scheme of building a ~780 nm external cavity diode laser(ECDL) whose wavelength is mainly determined by an interference filter. The Lorentzian linewidth measured by the heterodyne be...
National Natural Science Foundation of China(Grant No.51275523)and the State Key Laboratory of Aerodynamics Research Fund,China(Grant No.SKLA2019040302).
We demonstrate a simple and fast way to produce 87Rb Bose–Einstein condensates. A digital optical phase lock loop(OPLL) board is introduced to lock and adjust the frequency of the trap laser, which simplifies the opt...
supported by the National Natural Science Foundation of China(No.51275523);the Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20134307110009);the Graduate Innovative Research Fund of Hunan Province(No.CX20158015);the Excellent Graduate Innovative Fund of NUDT(No.B150305)
We present an innovative and practical scheme of building a miniaturized wavemeter, with the advantages of low cost, high reliability and simple structure. Through a calibration test by a 780 nm external cavity diode ...
supported by the National Natural Science Foundation of China(Grant No.51275523);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20134307110009);the Graduate Innovative Research Fund of Hunan Province,China(Grant No.CX20158015);the Excellent Graduate Innovative Fund of National University of Defense Technology(NUDT)(Grant No.B150305)
We develop a simple and practical scheme to apply sideband cooling to a cloud of rubidium atoms. A sample containing 4 × 10^(70) ^(87)Rb is trapped in a far red detuned optical lattice. Through optimizing the rel...
supported by the National Natural Science Foundation(No.51275523);the Specialized Research Fund for the Doctoral Program of Higher Education(No.20134307110009)of China
We present a laser frequency locking system based on acousto-optic modulation transfer spectroscopy(AOMTS). Theoretical and experimental investigations are carried out to optimize the locking performance mainly from...