That's approximately the bandwidth of a Si (111) monochromator.
On Wed, 9 Feb 2011, Andre Luis Berteli Ambrosio wrote:
>
> Dear ccp4bb,
>
>
>
> I sometimes find the flux of x-ray sources reported in units of “photons/s/0.1% bandwidth”
> instead of simply “photons/s”.
>
> Where does the “1/0.1% bandwidth” unit come from? I have also seen other percentages like 0.01%
> bw or 0.02% bw…
>
> Is it simply defining some degree of acceptance in energy (for example, the flux between 8 KeV
> +/- 8 eV for a given stored current)? Does it somehow have to do with energy resolution?
>
> Thank you in advance for your answers,
>
>
>
> -Andre Ambrosio
>
>
>
>
>
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