Flexible optical fiber sensor based on polyurethane

Abstract

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The role of optical fiber sensors in the new generation of healthcare devices: a review

“…These fibers can be easily shaped and molded to fit into tight spaces or conform to curved surfaces. 39 The use of these sensors is common in applications where traditional sensors are not suitable for use due to their rigidity or size limitations. Physical and chemical properties can be monitored in harsh, underground, or subsea environments using flexible optical fiber sensors withstanding high temperatures, chemical corrosion, and electromagnetic interference.…”

Thermally drawn biodegradable fibers with tailored topography for biomedical applications

“…With the increasing interest in using fibrous structures for biomedical applications 2 and building on our previous work on drawing soft polymer fiber materials, 29 for the first time we develop a one-step method for direct drawing of both solid-core and hollow-core PCL fibers with tailored cross-sections and topography.…”

Polyurethane Optical Fiber Sensors

“…Initial tests on a range of different simple capillary polyurethane fibres used to measure pressure demonstrated promising sensitivity of ~0.51 dB/N. [5] We have demonstrated a breathing monitor using simple capillary polyurethane fibre mounted in a cloth bandage together with a 633nm CW laser diode and detector. This was strapped to the torso of a test subject at diaphragm level, and the subject walked, jogged and ran on a treadmill.…”