Spectrum device, terminal device with spectrum device and working method

The invention relates to a spectroscopic device, a terminal device comprising a spectroscopic chip (10), an optical system (20) and at least one data processing unit (30), the optical system (20) being located in the optical path of the spectroscopic chip (10), the spectroscopic chip (10) being electrically connected to the at least one data processing unit (30), the spectrum chip (10) is provided with a plurality of transmission spectrum matrixes, the optical system (20) has a variable focal length, so that incident light entering the spectrum chip (10) is modulated by the optical system (20) by adjusting the focal length of the optical system (20), and spectrum information corresponding to the incident light is calculated by the data processing unit (30) based on the specific transmission spectrum matrix corresponding to the spectrum chip (10). 一种光谱装置和带有光谱装置的终端设备以及工作方法，其中光谱装置包括一光谱芯片(10)，一光学系统(20)以及至少一数据处理单元(30)，其中光学系统(20)位于光谱芯片(10)的光学路径，其中光谱芯片(10)与至少一数据处理单元(30)电气地连接，且光谱芯片(10)设有多个透射谱矩阵，其中光学系统(20)具有可变焦距，以供通过调