基于光纤光谱仪的色度学实验仪的设计与实现

Design and implementation of chromaticity experimental instrument based on optical fiber spectrometer

以新型三基色LED为光源,用恒流源技术设计并制作了3路独立可调电路。根据色度学原理编写程序能够获得相应颜色的色坐标、主波长、补色波长以及色温等信息。通过实验,验证了用光纤光谱仪、三基色LED灯、标准光源及积分球等器件组成的色度学实验仪测量方法简捷快速,测量结果准确。学生既能直接观察实验现象,又能通过测量光谱数据得到相应参数,提高并丰富了物理学中光谱与色度学实验的内容。

Using a new type of tricolor LED as light source,3-way independent adjustable circuits were designed and fabricated by the constant current source technology.Based on the principle of chromaticity,the corresponding color coordinates,dominant wavelength,complementary wavelength,color temperature and other related information could be obtained through programming.Experiments showed that the measuring method of chromaticity experiment instrument composed of optical fiber spectrometer,tricolor LED lamp,standard light source and integral sphere was simple and fast,and the measurements were accurate.It was used not only to observe the experimental phenomena directly,but also to obtain the corresponding parameters by measuring the spectral data,which improved and enriched the contents of the spectrum and chromaticity experiments in physics.