发明名称 |
DETECTING A CONDITION OF AN OPTICAL ELEMENT |
摘要 |
A condition or detecting a change in the condition of an optical element of a laser arrangement is detected. An ultrasonic signal is coupled into an optical element such that the ultrasonic signal travels along a path within the optical element, and a transit time or a change in transit time for the ultrasonic signal to travel along the path within the optical element is detected.
|
申请公布号 |
US2009007675(A1) |
申请公布日期 |
2009.01.08 |
申请号 |
US20080139381 |
申请日期 |
2008.06.13 |
申请人 |
TRUMPF WERKZEUGMASCHINEN GMBH + CO. KG |
发明人 |
HAMMANN GERHARD;HALLASCH DIETER;HOHENADEL JUERGEN |
分类号 |
G01H5/00 |
主分类号 |
G01H5/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|