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The effect of laser irradiation on the viability of human breast cancer cell, MDA-MB-231

机译:激光照射对人乳腺癌细胞MDA-MB-231活力的影响

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摘要

A practical pass-through type fibre Bragg grating (FBG) temperature sensor system have been designed, developed, simulated, and experimentally investigated. The performance of FBG was evaluated in harsh environments exposed under direct sunlight, rain, and wind. The sensor system designed directly focused with convex and hand lens. The temperature of FBG’s sensor head been measured. The broadband laser source was launched into the system using tunable laser source (TLS) and both transmission and reflection spectra of FBG sensor were measured by optical spectrum analyzer (OSA). Results shows that the Bragg wavelength shift, ΔλB increased proportionally with the temperature changes. The sensitivity of FBG were recorded at 0.0100 and 0.0132 nm °C-1 for the systems where convex and hand lens applied to the FBG’s sensor head respectively, while the sensitivity of 0.0118 nm °C-1 measured for the system without any focusing element applied.
机译:已经设计,开发,模拟和实验研究了一种实用的直通型光纤布拉格光栅(FBG)温度传感器系统。 FBG的性能在阳光直射,雨淋和大风的恶劣环境下进行了评估。传感器系统设计成直接用凸透镜和手持透镜聚焦。测量了FBG传感器头的温度。使用可调激光源(TLS)将宽带激光源发射到系统中,并通过光谱分析仪(OSA)测量FBG传感器的透射和反射光谱。结果表明,布拉格波长偏移ΔλB随温度变化成比例增加。对于凸透镜和手持透镜分别应用于FBG传感器头的系统,FBG的灵敏度分别记录为0.0100和0.0132 nm°C-1,而未应用任何聚焦元件的系统的FBG灵敏度为0.0118 nm°C-1 。

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