Fiber Bragg grating-based thermometer for drill bit temperature monitoring

Llera Miguel; Tow Kenny Hey; Bergerat Sylvain; Meyer Yves; Monnerat Serge; Gloriod Olivier; Le Floch Sebastien; Salvade Yves; Thevenaz Luc

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Fiber Bragg grating-based thermometer for drill bit temperature monitoring

机译：用于钻头温度监测的光纤布拉格光栅的温度计

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The temperature measurement of a drill bit during an implantology drilling process is proposed by using a fiber Bragg grating fitted inside the drill bit. Due to the rotational nature of the drilling process, a free-space fiber-optic rotary joint is used for interrogating the fiber Bragg grating. Due to mechanical clearances and interferometric noise induced at this rotary joint, signal integrity is strongly deteriorated and is not workable without adequate measures. These measures involve a proper fiber lensing and a signal processing in order to remove the interferometric noise. Finally, a heating measurement on an implantology drill bit is performed and discussed for drilling several holes on a pork jaw sample. (C) 2019 Optical Society of America

机译：通过使用钻头内装配在钻头内的光纤布拉格光栅，提出了钻井过程中钻头的温度测量。由于钻孔工艺的旋转性质，自由空间光纤旋转接头用于询问光纤布拉格光栅。由于在该旋转接头处诱导的机械间隙和干涉噪声，信号完整性强烈劣化，而不是以适当措施的情况而不可用。这些措施涉及适当的光纤镜头和信号处理，以便去除干涉噪声。最后，执行植入钻头上的加热测量并讨论用于在猪颌样上钻几孔。（c）2019年光学学会

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《Applied optics》 |2019年第22期|共7页
作者
Llera Miguel; Tow Kenny Hey; Bergerat Sylvain; Meyer Yves; Monnerat Serge; Gloriod Olivier; Le Floch Sebastien; Salvade Yves; Thevenaz Luc;
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Haute Ecole Arc Ingn HES SO Rue Serre 7 CH-2610 St Imier Switzerland;

EPFL Swiss Fed Inst Technol Inst Elect Engn SCI STI LT Stn 11 CH-1015 Lausanne Switzerland;

Haute Ecole Arc Ingn HES SO Rue Serre 7 CH-2610 St Imier Switzerland;

Haute Ecole Arc Ingn HES SO Rue Serre 7 CH-2610 St Imier Switzerland;

Haute Ecole Arc Ingn HES SO Rue Serre 7 CH-2610 St Imier Switzerland;

Haute Ecole Arc Ingn HES SO Rue Serre 7 CH-2610 St Imier Switzerland;

Haute Ecole Arc Ingn HES SO Rue Serre 7 CH-2610 St Imier Switzerland;

Haute Ecole Arc Ingn HES SO Rue Serre 7 CH-2610 St Imier Switzerland;

EPFL Swiss Fed Inst Technol Inst Elect Engn SCI STI LT Stn 11 CH-1015 Lausanne Switzerland;

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Fiber Bragg grating-based thermometer for drill bit temperature monitoring

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