Dynamica HALO DB-20 - Principle of Operation; Optical System

2-2
2.2 Principle of Operation
2.2.1 Optical System
Figure 2-2 shows the optical system of the HALO DB-20.
Sample Compartment
Monochromator
Detector 1
Lens
Sample Beam
Grating
Enter Slit
Mirror
（M1）
WI lamp
Ｄ
２
lamp
Filter
(F)
Exit Slit
Half Mirror
（HM）
Mirror（M3）
Mirror（M4）
Detector 2
Mirror（M2）
Reference Beam
Lens
Fig 2-2 Optical System of HALO DB-20 Spectrophotometer