A Micro-Vibration Measurement Method Based on Isostrain Cantilever and Cascade Self-Demodulated FBG Pair
Abstract:A micro-vibration measurement method is proposed based on isostrain cantilever structure and cascade self-demodulated fiber Bragg grating (FBG) pair. The micro-vibration is measured with a cantilever structure which can induce a differential shift of FBG pair's Bragg wavelengths. The cross-sensitivity to temperature can be eliminated simultaneously. Both having the capability of self-demodulation, the topology of cascade FBG pair structure has an equivalent measure range, a simpler structure, and a better resolution capability than that based on a twice reflection FBG pair structure. With a preliminary experimental setup a high resolution better than 0.0003 mm can be achieved.
Document Type: Research Article
Publication date: 2007-06-01
More about this publication?
- The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.
- Editorial Board
- Information for Authors
- Subscribe to this Title
- Terms & Conditions
- Ingenta Connect is not responsible for the content or availability of external websites