![]() ![]() Make sure that the channel number settings matches the input connections at the hardware. To adjust the trigger levels, open the device settings window via the menu bar => Device => Hardware settings “Get data” command to the Time Tagger software: This will return the 2D time- and frequency-resolved measurement data.Ĭorrect trigger levels are crucial for a correct operation of the Time Tagger software module.Furthermore, this command will wait for the acquisition to finish! “Acquire spectrum” command to the TFPDAS software: This will start the acquisition (and, hence, the acquisition of the time-resolved signal since the Time Tagger has been armed before).Thus, there can be an arbitrary delay between the arming of the Time Tagger and the acquisition of the spectrum. However, due to the hardware synchronization, signal will only be acquired when the TFPI is actually scanning. Arm the Time Tagger via the “start TT” command: This activates the Time Tagger software.Measurement procedure (see also image below): Thus, a certain measurement procedure is required as described below. The Time Tagger software cannot read out the TFPDAS spectrum.The Time Tagger software is not notified when a spectrum is acquired.But, the Time Tagger software is NOT notified if an error occurs in the TFPDAS software.The Time Tagger software can, in principle, start the TFPDAS software.This synchronization is achieved by a hardware- and software synchronization and the latter must be taken into account when setting up an automated time-resolved measurement. Time-resolved Brillouin light scattering measurements always include two separate deviced, i.e., the Tandem Fabry-Pérot interferometer and the Time Tagger and their according software modules which have to be synchronized.
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