[mcstas-users] Elastically bent perfect crystal mono

[Peter Willendrup]

Hello,


On Jun 21, 2008, at 10:57 AM, Chuang Lee wrote:

> I want to simulate elastically bent perfect crysta l(BPC)  
> monochromator although only the mosaic mono" monochromator courved"  
> is available.
>
> Should I try to calculate the equivalent mosaic of BPC as input  
> parameter of  "monochromator courved" for simulation?

Unfortunately, we currently have no model of an elastically bent  
perfect crystal. (Our current monochromator models have constant  
strain and
d-spacing and no means of variation of these as function of a given  
shape.)

Several users have expressed interest in such a component, so likely  
it will be implemented in the future.

Possibly, you could write a code like that yourself, with one of the  
existing monochromators as a starting point. Should you decide
to do so, we will be happy to include such a component as a  
contribution to our package.


Best regards,

Peter Willendrup

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