Resolution

拉曼光谱仪的频谱分辨率计算*
Calculating the Spectral Resolution for Raman spectrometer

激光波长λ= nm 拉曼位移ω= cm-1 光栅刻痕数密度G= grooves/mm 入射角与衍射角的夹角α= degree 狭缝宽度d= micrometer 狭缝前的焦距f1= mm 光谱分辨率Δω= cm-1


*该计算结果不考虑点扩散函数的影响,因此实际仪器的频谱分辨率都将只会稍大于计算结果(也适用于CT结构拉曼光谱仪)。
•Chuan Liu and Rolf W. Berg, “Determining the Spectral Resolution of CCD Raman Instruments”, Applied Spectroscopy, vol: 66, issue: 9, (2012), p. 1034-1043.