介绍了一种采用商用发光二极管作为探测器的新型太阳光度计。阐述了系统的结构以及该仪器在监测气溶胶光学厚度领域的应用,并与传统的太阳光度计进行了对比试验。试验表明,两种仪器具有很好的一致性。 A new type of solar photometer using commercial light-emitting diodes as detectors is introduced. The structure of the system and the application of the instrument in the field of aerosol optical thickness monitoring are described, and compared with the traditional solar photometer. Experiments show that the two instruments have good consistency.