Abstract
The hardware of near-infrared (NIR) spectroscopy is almost the same as UV-VIS and infrared spectrometer except the wavelength area. However, the high SN ratio and stability of the instruments are required for a quantitative analysis by NIR spectroscopy, because of the smooth and dull absorption peaks of the NIR spectral shapes. These are realized by the hardware and computer technologies and are special features of the hardware of NIR spectroscopy. It is important to understand what they are when you use or design a near-infrared spectrometer. These aspects of the technologies are described. Instrumental difference also is an important problem in NIR spectroscopy where a calibration is used to predict contents of the matter. In this Chapter, not only the method to avoid the instrumental difference, but also the sources of the instrumental are described. To decrease the instrumental difference, it is crucial to understand why and how the instrumental difference is generated. The information described in this chapter will help you design a new NIR instrument, and a designing process with less effort is also described.
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Okura, T. (2021). Hardware of Near-Infrared Spectroscopy. In: Ozaki, Y., Huck, C., Tsuchikawa, S., Engelsen, S.B. (eds) Near-Infrared Spectroscopy. Springer, Singapore. https://doi.org/10.1007/978-981-15-8648-4_10
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DOI: https://doi.org/10.1007/978-981-15-8648-4_10
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