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Messages - cozkan

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Does anyone have any experience simulating the effect of the thermal heatload on the surface of a monochromator crystal?
We would like to couple this with focusing xray optics to simulate its impact. This could be with SHADOW, for example.
Thank you.

General Discussion / Re: ICT vs Turbo-ICT
« on: December 13, 2021, 02:51:12 PM »
Hi Fred,

I have experience with both. Feel free to email me.


Need help? / Re: Microscope for X-ray imaging
« on: September 13, 2021, 11:34:01 AM »
Hi Friederike,

We didnt have any other way of checking the spot size but knowing the optics well, and having scanned the beam size we know where it stops measuring.
The depth of field of the imaging setup is sufficient and not smaller than the scintillator thickness.
I have considered the influence of the substrate (and literature informs me it is possible) but dont have the substrate separately to test, nor do I have the scintillator on a glass substrate.
Having spoken to Crytur, we think the scintillator is the bottleneck. Have decided to build an x-ray microscope and relax the imaging requirements, instead. Will test the x-ray micropscope hopefully this year.
Thanks for taking the time to respond.

Need help? / Microscope for X-ray imaging
« on: September 03, 2021, 12:05:08 PM »
Trying to image a focussed beam on a scintillator (5um Ce:YAG on YAG substrate) at 11keV (photon energy).
NA of the microscope objective used is 0.65 but cannot seem to measure a beam spot size ons cintilaltor smaller than 5um. The expected spot size is 2.5um.

Is this due to the scintillator? Do I need a thinner one? is this because of the higher penetration depth at 11keV? Is it because this is a focussed beam?

Does anyone have any similar experience?

Many thanks in advance

General Discussion / Re: Welcome
« on: September 03, 2021, 12:02:04 PM »
Many thanks for this connection Benoit

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