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Title: Sensor for measuring flow speed of a fluid
Authors: Tam, H 
Zhang, A 
Gao, S 
Cho, LH 
Issue Date: 31-Jan-2017
Source: US Patent 9,557,344 B2. Washington, DC: US Patent and Trademark Office, 2017. How to cite?
Abstract: A sensor for measuring flow speed of a fluid, comprising: a light-absorbing optical fiber having a fiber Bragg grating inscribed in the fiber; wherein light is emitted into the light-absorbing optical fiber to heat the optical fiber and the fiber Bragg grating, and when the fluid passes over the sensor, the flow speed of the fluid is determined by the rate of heat loss from the sensor, and the temperature of the sensor is determined from the wavelength shift of the central wavelength of the fiber Bragg grating.
Rights: Assignee: The Hong Kong Polytechnic University
Appears in Collections:Patent

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