Teledyne Princeton Instruments PI-MAX 3, Системное руководство

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Chapter 9 LightField and Gated Operation 133
• Single Shot
A single shot experiment is one where you have only one chance to catch the
data. Any experiment that can't be repeated more often than once a minute,
such as high power lasers and explosives, is considered a single shot. You have
to catch the trigger when it comes. Prior to the event, the CCD runs in
continuous cleans mode. You don't have the luxury of having the CCD just
sitting there doing nothing because the CCD will be accumulating dark current.
When the trigger arrives, the intensifier gates, the continuous cleans stop, and
the array is read out with a minimum of dark current. Pre-Trigger can be helpful
if available.
9.4.1 Swept Gate Experiment [Fixed Width; Variable Delay]
This section provides information about configuring a Swept Gate experiment with
fixed Gate Width and variable Gate Delay (i.e., Repetitive-Sequential 1).
9.4.1.1 Experiment is Master Clock
NOTE:
In this configuration, the experiment itself serves as the
Master Clock.
This experiment attempts to time-resolve a Xenon light flash from a commercially
available strobe light. Since the strobe does not have a pre-trigger out, an electrical
trigger is generated by using a photodiode. Output from the photodiode is connected
to the Trigger In BNC of the PI-MAX3. See
Figure 9-4 .
Figure 9-4: Block Diagram: Swept Gate Experiment [Fixed Width, Variable Delay]
PI-MAX3
Photodiode
GigE
100/240
100/240
100/240
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4
11-
01
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005
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