| 摘要 |
<p>The invention relates to a laser beam amplification device (1) comprising at least one amplifying crystal (30), a cryogenic cooling head (10) for cooling the crystal and a crystal holder (20) situated between the head and the amplifying crystal. It comprises a thermomechanical interface between the crystal and the holder, provided by a cryogenic liquid film (40) in which the crystal is partially submerged, and a liquid expansion vessel (45) connected to this interface.</p> |
