Hello all.
You will find at the bottom of page:
http://f1avyopto.wifeo.com/comptes-rendus-et-liens.php
a first report about tests in the 450 THz band :-)) !
Although initial results suggest some hopes there is
still much to do ...
Happy new year 2009!
Yves F1AVY
http://f1avyopto.wifeo.com