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(i) This section provides an 
This section provides an up-to-date reference guide to the hardware that ScanImage supports and requires. This information reflects experience in the developers' laboratories, as well as the feedback from the user community.
(/) If you use hardware not listed here with ScanImage
If you use hardware not listed here with ScanImage (successfully!), please let us know!
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\[[Galvanometers|#Galvos]\] \[[PMTs and Associated Electronics|#PMTs]\] \[[Pockels|#Pockels]\] \[[Photodiodes|#Photodiodes]\] \[[Motor Controller|#Motor Controller]\] \[[Linear/Rotary Motors/Stages|#Stages]\] \[[Shutters|#Shutters]\]
[Galvanometers] [PMTs and Associated Electronics] [Pockels] [Photodiodes] [Motor Controller] [Linear/Rotary Motors/Stages] [Shutters]
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Galvanometers
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| To achieve the fastest scan rates supported by ScanImage over the full field-of-view in typical microscope configurations, the 'high power option' (HPO) should be specified for the servo drivers. This requires selection of the 6215H galvo.
- When specifying the servo, options to use Class 0, Class 1, and (recently) 'Type 2', control topologies are offered:
- Class 0: This option has the fastest 99% settling time to step responses, but may have small residual ripple for several more time constants
- Class 1: This option has a slower 99% settling time, but has reduced ripple once it settles. This version includes an extra integrator in the control topology and strictly speaking has the possibility of instability that Class 0 avoids.
- Type 2: This is a new option offered that combines characteristics of Class 0 and Class 1
At this time, Class 0 is being favored in new systems specified in the developers' labs, where the 20-25% improvement in settling time is considered more valuable and the added ripple has not been evident in their applications (primarily fast functional imaging).
The Type 2 servo topology has not yet been evaluated in the developers' laboratories. - Cambridge now offers galvos with 'reduced scan angle'. In typical microscope configurations, only a fraction of the galvo's scan angle is utilized to span the objective field-of-view. By selecting a reduced scan angle, a smaller mirror design with reduced inertia can be utilized for a given clear aperture.
Any galvanometer with servo controller accepting an analog command waveform (in -10 to 10V range) should work with ScanImage |
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Shutters
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- LS Laser Shutters are often used for the laser shutter, in the 2/3/6mm options depending on the laser beam size (at the shutter's location).
- For high NIR laser powers, the ZM shutter blade options are often selected. E.g. the LS6ZM2 might be selected.
- The VCM-DM1, VMM-D3, and VMM-D4 shutter controllers can all be used
- ScanImage only provides computer control of one of the shutters, even if using a multi-shutter controller (e.g. VMM-D3 or VMM-D4).
Any shutter/controller system whose state (open or closed) is determined by a TTL signal's state will work with ScanImage |
