介绍一种便携式光纤辐射测温系统,整个系统包含了大功率光纤耦合器、传能光纤、光电探测器,前置放大模块,AD采样模块和信号处理模块等。具体描述了各个模块的作用及数据处理方法,并对本系统的测试性能做了详细验证。该设计具有便携性,易用性,测量准确等优点,完全可以应用在生长蓝宝石泡生晶体炉的热场测量中。 A portable optical fiber temperature measurement system is introduced. The whole system includes high power fiber coupler, fiber optics, photodetector, preamplifier module, AD sampling module and signal processing module. Described in detail the role of each module and data processing methods, and tested the system’s performance in detail. The design has portability, ease of use, accurate measurement and other advantages, can be fully used in the growth of sapphire foam crystal furnace thermal field measurement.