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Synchronizing fast electrically driven phenomena with synchrotron x-ray probes
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) The sequence of x-ray pulses arising from a synchrotron radiation source. Four x-ray pulses associated with the orbit of single electron bunch are indicated with dashed lines. (b) A block diagram of the timing setup. The gated detection circuitry sends the diffraction signals arising from x-ray pulses 1–4 to separate channels of a scaler.

Image of FIG. 2.
FIG. 2.

(a) Schematic of the gating circuit to produce a pulse synchronized to P0 using a series of logical flip-flops. CFD is a constant fraction discriminator. The flip-flops are logical elements numbered 1–3. (b) Timing diagram of the P0 selection circuit. Note that branching the signals on the diagrams in Figs. 2 and 3 is accomplished using separate outputs of a logic translator (Phillips Scientific., Inc., model 7126) for P0 signals or the CFD for dP0 signals to avoid multiple triggering and signal reflections.

Image of FIG. 3.
FIG. 3.

(a) Schematic of a gating circuit producing an output pulse synchronized to P0 using two AND gates. (b) Timing diagram of the P0 selection circuit using two AND gates.

Image of FIG. 4.
FIG. 4.

The structural transient signal associated with the piezoelectric distortion of a thin film by a voltage pulse, after Ref. 1.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Synchronizing fast electrically driven phenomena with synchrotron x-ray probes