How A Avantes Spectrometer Works

https://gumroad.com/u7umqay743/p/spectrometer-technology-and-applications

Because a standard spectrometer uses a cuvette that is 1 cm in width, \(l\) is normally generally believed to result in 1 cm. Since absorption, \(\epsilon\), and route size are known, we can compute the focus \(c\)