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    • 3. 发明申请
    • Optical Radiation Sensor System and Method for Measuring Radiation Transmittance of a Fluid
    • 光学辐射传感器系统和测量流体辐射透射率的方法
    • US20080087836A1
    • 2008-04-17
    • US11578832
    • 2005-04-19
    • Douglas KnightAlex VerdunPeter Van-Doodewaard
    • Douglas KnightAlex VerdunPeter Van-Doodewaard
    • G01J1/42
    • G01J1/429C02F1/32C02F2201/326G01N21/0303G01N21/33G01N2021/036
    • There is disclosed a process for measuring transmittance of a fluid in a radiation field comprising polychromatic radiation—i.e., radiation at a first wavelength and radiation at a second wavelength different from the first wavelength. The process comprises the steps of: (i) positioning a polychromatic radiation source and a polychromatic radiation sensor element in a spaced relationship to define a first thickness of fluid in the radiation field; (ii) detecting a first radiation intensity corresponding to radiation at the first wavelength received by the sensor element at the first thickness; (iii) detecting a second radiation intensity corresponding to radiation at the second wavelength received by the sensor element at the first thickness; (iv) altering the first thickness to define a second thickness; (v) detecting a third radiation intensity corresponding to radiation at the first wavelength received by the sensor element at the second thickness; (vi) detecting a fourth radiation intensity corresponding to radiation at the second wavelength received by the sensor element at the second thickness; and (vii) calculating radiation transmittance of the fluid in the radiation field from the first radiation intensity, the second radiation intensity, the third radiation intensity and the fourth radiation intensity. Thus, the present process relates to a novel manner to measure UV transmittance of a fluid in an on-line or random measurement manner.
    • 公开了一种用于测量包括多色辐射的辐射场中的流体的透射率的方法,即在第一波长的辐射和不同于第一波长的第二波长的辐射。 该方法包括以下步骤:(i)以间隔关系定位多色辐射源和多色辐射传感器元件,以在辐射场中限定第一厚度的流体; (ii)检测对应于由传感器元件以第一厚度接收的第一波长的辐射的第一辐射强度; (iii)检测对应于由传感器元件以第一厚度接收的第二波长的辐射的第二辐射强度; (iv)改变所述第一厚度以限定第二厚度; (v)检测对应于由传感器元件以第二厚度接收的第一波长的辐射的第三辐射强度; (vi)检测对应于由第二厚度的传感器元件接收的第二波长的辐射的第四辐射强度; 和(vii)从第一辐射强度,第二辐射强度,第三辐射强度和第四辐射强度计算辐射场中的流体的辐射透射率。 因此,本方法涉及以在线或随机测量方式测量流体的UV透射率的新颖方式。
    • 9. 发明申请
    • Radiation sensor device and radiation source module containing same
    • 辐射传感器装置和包含其的辐射源模块
    • US20050098736A1
    • 2005-05-12
    • US10952479
    • 2004-09-29
    • Douglas KnightAlex Verdun
    • Douglas KnightAlex Verdun
    • A61L2/10A61L2/28C02F1/32G01J1/42H01L31/0216H01L31/0232H01L31/103G01J5/00
    • G01J1/429A61L2/10A61L2/28C02F1/325C02F2201/3227C02F2201/326H01L31/02325H01L31/103
    • A radiation sensor device comprising a body portion having an entrance through which radiation may enter the body portion, a radiation detector and an optical filter interposed between the entrance and the radiation detector. The radiation detector is capable of detecting radiation having at least one wavelength in the range of from about 125 nm to about 1100 nm, and comprises: (i) a silicon-containing material comprising an n-doped layer disposed on a pair of p-doped layers, and (ii) a passivation layer disposed on a radiation impingement surface of the silicon-containing material, the passivation layer comprising nitrided silicon dioxide, a metal silicide and mixtures thereof. The optical filter has: (i) an optical transmittance of at least about 40% at a wavelength in the range of from about 175 nm to about 300 nm, and (ii) an optical transmittance of no greater than about 5% at a wavelength greater than about 350 nm.
    • 一种辐射传感器装置,包括具有入射部分的主体部分,辐射可以通过该入口进入主体部分,放射线检测器和插入在入射口和辐射检测器之间的光学滤光器。 辐射检测器能够检测具有在约125nm至约1100nm范围内的至少一个波长的辐射,并且包括:(i)含硅材料,其包含设置在一对p- 掺杂层,以及(ii)设置在所述含硅材料的辐射冲击表面上的钝化层,所述钝化层包含氮化二氧化硅,金属硅化物及其混合物。 光学滤波器具有:(i)在约175nm至约300nm范围内的波长处的至少约40%的光透射率,以及(ii)波长处的光透射率不大于约5% 大于约350nm。