一种新型光纤高温计的研制  

Development of a New Fiber-Coupled Optical Pyrometer

作　　者：周显明[1] 李加波[1] 王翔[1] 

机构地区：[1]中国工程物理研究院流体物理研究所冲击波物理与爆轰物理国防科技重点实验室,四川绵阳621900

出　　处：《高压物理学报》2009年第5期345-352,共8页Chinese Journal of High Pressure Physics

基　　金：国家自然科学基金(19602017)

摘　　要：基于国产GDB159/142光电倍增管(PMT),采用光纤传输并结合二向色分光原理研制了高速光学高温计系统,测量波长覆盖340～811nm,响应时间2～3ns,可测量2500～15000K的冲击温度。脉冲线性检测结果表明,6个通道的动态线性均大于200mV(50Ω负载)。给出了溴钨灯光谱辐照度标定方法和动态应用实例。A fast optical pyrometer for shock temperature measurement was developed based on GDB159/142 photo-multiplier tubes （PMT） and one single optical fiber incorporated with dichroic filters. Main features include the central wavelengths within the spectrum range of 340-811 nm,a risetime of 2-3 ns,and measurable shock temperature span of 2 500-15 000 K. Results of the pulse-line- arity measurements indicate that the dynamical linearity values for all six channels are greater than 200 mV （50 Ω load resistor） which meet the requirement for recording on the digital oscilloscopes with good signal-to-noise ratio. Calibration method by the spectral irradiance with a halogen lamp and exam- ples of dynamic measurements are presented. It is demonstrated that this system produces reasonable outputs with stable performance at an economical cost.

关 键 词：冲击温度 辐射高温计 分色镜 光电倍增管 

分 类 号：O521.3[理学—高压高温物理]