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GaAs粒子探测器既能作为高抗辐射的探测器，又能作为X射线的线性传感器。在不同照射量的X射线辐照下，探测器的灵敏度与X射线的照射量是线性关系。探测器的有效面积大、所加反偏电压高，其灵敏度相对也高。该探测器可作为X射线的线性传感器。
GaAs particle detector can not only be used as a high radiation detector, but also as a linear X-ray sensor. Under the different irradiation dose of X-ray irradiation, the detector sensitivity and X-ray irradiation is a linear relationship. The effective area of the detector, the reverse bias voltage is high, the sensitivity is relatively high. The detector can be used as a linear X-ray sensor.