Highly Sensitive Compact Force Sensor Based on Microfiber Bragg Grating

Highly Sensitive Compact Force Sensor Based on Microfiber Bragg Grating

We present and demonstrate a miniature contact force sensor based on a 30-μm diameter microfiber Bragg grating. The microfiber Bragg grating packaged in a conforming elastomer material features an extremely high sensitivity of 1.37 mN and excellent linearity up to a contact force of 0.65 N. The perf...

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Veröffentlicht in:IEEE photonics technology letters 2012-04, Vol.24 (8), p.700-702
Hauptverfasser: Chung, Kit Man, Liu, Zhengyong, Lu, Chao, Tam, Hwa-Yaw
Format: Artikel
Sprache:eng
Schlagworte:
Fiber Bragg grating
Fiber gratings
Force
force sensor
Force sensors
optical fiber sensor
Optical fiber sensors
Sensitivity
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Zusammenfassung:We present and demonstrate a miniature contact force sensor based on a 30-μm diameter microfiber Bragg grating. The microfiber Bragg grating packaged in a conforming elastomer material features an extremely high sensitivity of 1.37 mN and excellent linearity up to a contact force of 0.65 N. The performances were experimentally characterized and meet all the essential specifications as minimally invasive surgery devices for catheters' applications. The novel force sensor is easy to fabricate and thus potentially low cost.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2012.2187049