| 摘要 |
<p>A hand-held laser device (10) includes a casing formed with a substantially hollow interior space and having a laser emitter (11) thereinside. The laser emitter is formed with an exciting lamp (20) and a laser rod (18). A source generating a stream of gaseous coolant is provided within the interior space. A fluid cooling arrangement at least partially surrounding the laser rod is disposed within the stream of gaseous coolant for heat removal therefrom.</p> |
