| 摘要 |
<p>The invention relates to a measuring device that effects an external wavelength measurement with regard to a zero point for controlling and evaluating Bragg grating sensors with a high absolute precision. The measuring device is comprised of an A/D converter with measuring channels, a trigger and reference and is provided with a laser (e.g. ECL system) whose wavelength can be varied and which includes optical couplers and measuring units, for controlling and evaluating signals in fiber grating networks in order to precisely determine the Bragg wavelengths.</p> |
