In this paper, we demonstrate an interrogation system based on an arrayed waveguide grating capable of monitoring dynamic strain in a cantilever beam at frequencies up to 5 kHz (limited by the actuator) with a similar precision to resistive strain gauges.
|Number of pages||5|
|Journal||IEEE Transactions on Instrumentation and Measurement|
|Publication status||Published - 2004|
- waveguide grating
- Fabry-Perot interferometer
- optical sensor
- strain measurement