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20 February 2020 Non-contact endoscopic temperature measurement
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Abstract
We demonstrate a pyrometric contactless temperature sensor using a flexible fused silica fiber of 360 μm diameter for endoscopic/laparoscopic surgery equipment. The large bandwidth (up to several kilohertz), and the broad temperature range (from 35°C to 250°C) of the sensor can be instrumental for time-resolved analysis and control of laser ablation and electrothermal surgery procedures. Fused silica fibers, as opposed to dedicated MIR fibers, are non-degrading, low-cost and biocompatible. Through dual-band detection, we also demonstrate a ratiopyrometric measurement scheme, which improves the detection of hot-spots, providing a helpful tool for focused thermal processes observed, for example, in pulsed laser ablation.
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sergio Vilches, Çağlar Ataman, and Hans Zappe "Non-contact endoscopic temperature measurement", Proc. SPIE 11233, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XX, 1123305 (20 February 2020); https://doi.org/10.1117/12.2543062
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