| 摘要 |
Device for laser vibrometry with direct detection includes laser for lighting surface of object under investigation, focusing system, photo-receiver, analog-digital transformer, analyzing device and light-returning coating that is rigidly mechanically connected to surface of object under investigation and collector of radiation, at that outlet of laser for lighting surface of object under investigation is optically connected to input of focusing system, outlet of focusing system is optically connected to input of collector of radiation, output of collector of radiation is optically connected to input of photoreceiver output of which is electrically connected to input of analog-digital transformer signal of which comes to analyzing device. |
