| 摘要 |
<p>The invention relates to a photoacoustic cell system and method comprising at least one light source for optically exciting a unit under test (UUT), at least one volume for capturing acoustic energy emanating from the UUT as result of optical excitation thereof, at least one microphone for receiving the captured acoustic energy and generating a corresponding electrical signal, and an opaque element configured to isolate the microphone from light energy reflections and wherein the opaque element is acoustically isolated from the at least one microphone.</p> |
