"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
|Application No.||Application Title||Issue Date|
|20100033855||OPTICAL INSTRUMENT COMPRISING AN ENTRANCE CAVITY IN WHICH A MIRROR IS PLACED|
The invention relates to an optical instrument (1) comprising at least one mirror called the primary mirror (3), placed in a cavity (2) and comprising an active face capable of being subjected to instantaneous variations of the incident radiative fl...