It's time to review the concepts of light coherence. I feel the need to re-examine these ideas and clarify any misconceptions I encounter. I believe that only someone who fully understands all the parameters outlined in the table below can be considered a true expert in X-ray coherence.

For colleagues in Canada who want to apply for the PhD Joint Programme with us in France, here are some opportunities:

www.lemonde.fr/les-decodeur...