A novel long gauge strain Fiber Bragg Grating sensor (LG FBG sensor) has been proposed. Pretension technique and packaging method were proposed and demonstrated. Two kinds of long gauge strain FBG sensors were made, which can measure the average strain in 10cm gauge and 20cm gauge, respectively. Calibration test is conducted to obtain the strain coefficient and temperature coefficient of the sensor. Comparison tests have been carried out, and the results verify the feasibility of the proposed sensor.


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    Title :

    Long Sensing Gauge Fiber Bragg Grating Sensor with Pretension


    Contributors:
    Zhao, X. F. (author) / Ou, J. P. (author) / Song, G. B. (author) / Fernandez, M. (author)

    Conference:

    11th Biennial ASCE Aerospace Division International Conference on Engineering, Science, Construction, and Operations in Challenging Environments ; 2008 ; Long Beach, California, United States


    Published in:

    Publication date :

    2008-09-04




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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