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METHOD OF COMPENSATING TEMPERATURE DEFORMATIONS IN BRAGG TRANSDUCERS OF BEAM TYPE

机译:补偿梁型Bragg传感器温度变形的方法

摘要

FIELD: measurement.;SUBSTANCE: invention relates to measuring equipment, namely to the creation of sensitive elements of spectral sensors and converters of physical quantities. Two additional structural elements are attached to the resilient element - heat-sensitive elements made of material, the value of the thermal expansion coefficient of which is greater than the value of the elastic coefficient of expansion of material of the elastic element. Fibre Bragg grating is fixed on said structural elements. Thermal elongation of additional structural elements - heat-sensitive elements compensates for temperature elongation of the fibre Bragg grating and, accordingly, temperature deformation of the Bragg transducer.;EFFECT: technical result is expansion of arsenal of methods for compensation of temperature deformations in Bragg converters of beam type.;1 cl, 3 dwg
机译:技术领域本发明涉及测量设备,即涉及光谱传感器的敏感元件和物理量转换器的创建。两个附加的结构元件连接到弹性元件上-由材料制成的热敏元件,其热膨胀系数的值大于弹性元件的材料的弹性膨胀系数的值。布拉格光纤光栅固定在所述结构元件上。附加结构元件的热伸长率-热敏元件补偿光纤布拉格光栅的温度伸长率,并相应地补偿布拉格换能器的温度变形。效果:技术成果是扩大了布拉格转换器温度变形补偿方法的范围光束类型;; 1 cl,3 dwg

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