Title :
PVDF hydrophone for the measurement of shock waves
Author_Institution :
Forschungslaboratorien der Siemens AG, Erlangen, West Germany
Abstract :
The idea of separating the sensitive area and the metal electrodes leads to the construction of a new type of hydrophone. Using the piezoelectric foil PVDF (polyvinylidene fluoride) as a sensor material, reliable measurements of a shock pulse generator can be made. These measurements can be made over a large bandwidth without there being any significant decrease of sensitivity. The sensitivity is high enough that it is possible to reduce the sensitive area to as little as 1-mm diameter for more accurate measurements
Keywords :
hydrophones; piezoelectric transducers; polymer films; shock measurement; shock waves; hydrophone; piezoelectric foil PVDF; sensitive detectors; sensor material; shock waves; Bandwidth; Electric shock; Electrodes; Lead; Materials reliability; Piezoelectric materials; Pulse generation; Pulse measurements; Shock waves; Sonar equipment;
Conference_Titel :
Electrets, 1988. (ISE 6) Proceedings., 6th International Symposium on (IEEE Cat. No.88CH2593-2)
Conference_Location :
Oxford
DOI :
10.1109/ISE.1988.38553
