Experimental Physics and
Industrial Control System

Hi John,


I've been using both CCD and CMOS for pink-beam tomography, which involves high radiation levels in the experimental station.  I also use both for a white-beam mask viewer in the first optical enclosure, which is also a high radiation environment.  In both cases we use simple measures to reduce the dose to the camera (lead box or wrap camera in lead tape).


I have seen both types of cameras fail, typically after >5000 hours, and I don't have enough data to say which lasts longer.


I prefer the CMOS cameras from Point Grey, since they are fast, very low noise, and quite cheap (<$1,000 for 1920x1200 @163 fps).


Mark




________________________________
From: [email protected] <[email protected]> on behalf of John Dobbins <[email protected]>
Sent: Wednesday, June 27, 2018 8:21 AM
To: [email protected]
Subject: CCD vs. CMOS in accelerator environement


Not specifically an EPICS question but I am wondering if there is any reason to prefer a modern CCD or CMOS camera in the radiation environment of an accelerator. The camera is for a beam  view-screen/flag so it will necessarily be near the beamline.


Thanks,


John Dobbins

Cornell University

References:

CCD vs. CMOS in accelerator environement John Dobbins

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