Figure 5
Oscilloscope traces: analog channels are shown in individual colours, digital channels in orange. (a) The overall timing scheme shows the master EuXFEL trigger (second trace) and the trigger pulses to/from laser (flash and Pockels), optical Photron and X-ray Andor Zyla camera. (b) A bubble event is registered by the microphone (last trace). Residual noise from the Pockels cells (sixth trace) has been used to measure actual time delays and jitter (see also Fig. 6). |