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In this paper, we present a laboratory prototype of POP atomic clock with dispersive detection developed at Shanghai Institute of Optics and Fine Mechanics (SIOM). A new physics package is designed in order to improve the homogeneity of the H-field orientation. The Ramsey fringe is presented with an ultrahigh contrast of 91% and line-width of 130 Hz. A clock frequency stability of 6.14 × 10−13 @1...
Usual method to investigate high frequency parameters of the microwave diodes is to mount the single diode into microwave transmission line with following measurements of the detected voltage, for example. However, this is a time consumable process. Time savings can be achieved using RF probes for the detection measurements. We present investigation of detection of microwaves signals using heterojunction...
In previous study, it was found that bubble sizes in dispersion medium were controlled by two-stage microwave irradiation. These results indicated that particle number density was the most important factor for the maximum bubble size when PSL particle, which is not active for microwave, was used. In this study, to understand the mechanism of controlling bubble size and to find optimum operation of...
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