Find out about EMCCDs Range of Internal Software and External Trigger Modes
Andor's EMCCDs offer a comprehensive range of internal, software and external trigger modes. Furthermore, software and internal trigger modes avail of cutting-edge firmware and SDK enhancements, delivering enhanced speed performance during complex software acquisition protocols (iCam). On-head storage of multiple exposure times facilitates rapid exposure time switching upon receiving a trigger.
Part 1 - External Trigger Modes
The iXon back-illuminated range of cameras have several different external trigger modes:
External Trigger in Frame Transfer Mode (Simultaneous Exposure and Readout)
In this mode, the camera sits in its 'External Keep Clean' cycle, which can be interrupted by the external trigger with a jitter of only a couple of microseconds (exact dependent on camera model). Upon receiving a trigger, the camera stops all vertical clocking and waits for the programmed user delay period before starting the read phase. During the readout phase the Image area is transferred rapidly to the Storage area. The Storage area is then read out in the normal way.
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