Temperature-Independent Stress and Displacement Bidirectional Sensing Tuned by an Applied Bilateral Cantilever Beam

• 来源期刊: 中国物理快报（英文版）
• 学科: 物理学
• 年，卷（期）: 2002,（1）
• 页码范围: 76-78
• 页数: 3页
• 分类号: O4
• 语种: 英文

摘要

A novel and simple approach of temperature-independent stress and displacement bidirectional sensing tuned by an applied bilateral cantilever beam is proposed and demonstrated. The 3dB bandwidth of fibre gratings is linear with respect to the stress and displacement in the tuning range of 16nm. The sensing sensitivities of the stress and displacement are 5.76nm/N and 0.941 nn/mm, respectively.