MODES: Multimode optical delay, frequency and emission measurement system
MODES: Multimode optical delay, frequency and emission measurement system
批准号:
360471-2008
负责人:
Kashyap, Raman
金额:
$1.89万
依托单位国家:
加拿大
项目类别:
Research Tools and Instruments - Category 1 (<$150,000)
财政年份:
2007
资助国家:
加拿大
项目状态:
已结题
起止时间:
2007-01-01 至 2008-12-31
中文摘要
该提案要求购买零至250kHz的频谱分析仪和红外(1500nm波段)相机,以测量用于传感应用的多模光纤中的模式分布。我们在实验室没有低频频谱分析仪,因为它们都扩展到多GHz。我们已经开发并正在研究一种高灵敏度光纤传感器,可用于温度、应变和振动的分布式传感。我们打算将这种传感器应用于监测加拿大北部因气候变化而导致的永久冻土退化。另一个应用是测量光学相干层析成像应用中光学延迟线的低频响应。
英文摘要
This proposal requests the purchase of a zero to 250kHz electrical spectrum analyser and an IR (1500nm band) camera to measure the mode distributions in a multimode optical fibres for sensing applications. We do not have low frequency spectrum analysers available to us in the laboratory, as all of them extend to multi GHz. We have developed and are researching a highly sensitive optical fibre sensor which may be used for distributed sensing of temperature, strain and vibration. We are intending to apply this sensor for monitoring the degradation in the permafrost due to climate change in northern Canada. Another application is in the measurement of low frequency response in optical delay lines for optical coherence tomography applications.
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