This instrument is a high-resolution spectrometer that adopts a transmission optical path as the basic structure of the spectrometer system, a volume holographic grating with high diffraction efficiency, and a back-illuminated CCD detector with high sensitivity and quantum efficiency. It can acquire accurate spectral data within the wavelength range of 790 nm to 1030 nm. The instrument boasts a higher signal-to-noise ratio, enabling it to detect extremely weak Raman signals.