Princeton Instruments PI-MAX4 - 9.3 Trigger Setup

Chapter 9 LightField and Dual Image Feature 159
9.3 Trigger Setup
Triggering for DIF operation is configured on the Trigger and the SuperSYNCHRO Timing
expanders. Trigger configuration begins by selecting the desired
Trigger Response and
Trigger Source, both of which are found on the Trigger expander. See Figure 9-3.
Figure 9-3: Trigger Expander: Internal Trigger Source
9.3.1 Trigger Response
Trigger Response determines the number of triggers required in order to acquire the two
images.
Valid values for
Trigger Responses are:
• Readout Per Trigger
One trigger is used to acquire both images.
Figure 9-4 illustrates the timing diagram for a single-trigger DIF acquisition.
Figure 9-4: Timing Diagram: Single-Trigger (Readout Per Trigger) DIF
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D1 W1
PD
D2
SHIFT
BEHIND
MASK
TRIGGER
W2 PD
SECOND FRAMEFIRST FRAME
IMAGES
',QLWLDO*DWH'HOD\PS)
PD: Phosphor Decay Time
W1: Pulse 1 Gate Width
D2: Inter-Pulse Gate Delay
W2: Pulse 2 Gate Width
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