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MODES: Multimode optical delay, frequency and emission measurement system

MODES: Multimode optical delay, frequency and emission measurement system
模式:多模光延迟、频率和发射测量系统
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

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中文摘要
翻译
该提案要求购买一台零至250 kHz电频谱分析仪和一台IR(1500 nm波段)摄像机,以测量传感应用中多模光纤的模式分布。实验室中没有可用的低频频谱分析仪,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的光纤传感器,可用于分布式传感的温度,应变和振动。我们打算将这种传感器用于监测由于加拿大北方气候变化引起的永久冻土退化。另一个应用是用于光学相干断层扫描应用的光学延迟线中的低频响应的测量。
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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