<div dir="ltr">Hi Seokyoon,<div><br></div><div>I haven't worked much with optical photons in GATE, but you are definitely going to need to use the optical photon generation/tracking. The start of the guide is available at <a href="http://wiki.opengatecollaboration.org/index.php/Users_Guide:Generating_and_tracking_optical_photons">http://wiki.opengatecollaboration.org/index.php/Users_Guide:Generating_and_tracking_optical_photons</a>.</div><div><br></div><div>Thinking about it briefly, here are a few challenges you will likely run into:</div><div><br></div><div>-Dealing with photon transmission at the scintillator/air interface; it's hard enough when the scintillator is sitting directly on the photodetector, and I don't know if the photon transport code has been verified over such a large distance.</div><div><br></div><div>-Finding out whether your optical photons are being transported properly; given how far away your detector is from your scintillator, the vast bulk of the optical photons you generate will likely not hit the detector unless it has a very large surface area.</div><div><br></div><div>I am wondering if there is an error in your description of the experimental setup. Do you mean that the x-ray source is 100 cm away from the scintillator, which is coupled to the CCD? That would better match x-ray imaging systems that I have worked with.</div><div><br></div><div>I hope these thoughts help you get started on this admittedly unusual project!</div><div><br></div><div>Best regards,</div><div><br></div><div>-Bryan</div><div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jul 25, 2018 at 9:18 AM,  <span dir="ltr"><<a href="mailto:gate-users-request@lists.opengatecollaboration.org" target="_blank">gate-users-request@lists.opengatecollaboration.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Send Gate-users mailing list submissions to<br>
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Today's Topics:<br>
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   1. Is this simulation executable? (Seokyoon Kang)<br>
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Message: 1<br>
Date: Wed, 25 Jul 2018 23:21:58 +0900<br>
From: Seokyoon Kang <<a href="mailto:seun2354@yonsei.ac.kr">seun2354@yonsei.ac.kr</a>><br>
To: "<a href="mailto:gate-users@lists.opengatecollaboration.org">gate-users@lists.<wbr>opengatecollaboration.org</a> "<br>
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Subject: [Gate-users] Is this simulation executable?<br>
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Hello Gaters,<br>
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I have a plan of a simulation that I want to try. Simple illustration of the plan is attached on this email.<br>
brief explain of the illustration : <br>
a) Set a x-ray source on space, heading to a scintillator. the scintillator will emit light photon.<br>
b) CCD camera detect the light phton and make an image. It's distance between scintillator and CCD camera is 100 cm.<br>
Can I build this simulation using GATE? <br>
If I can, would you guys please tell me which websites/examples/actors will help me?<br>
<br>
<br>
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End of Gate-users Digest, Vol 146, Issue 22<br>
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