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1. (WO2017036622) SPECTROGRAPH

Pub. No.:    WO/2017/036622    International Application No.:    PCT/EP2016/063606
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Wed Jun 15 01:59:59 CEST 2016
IPC: G01J 3/02
G01J 3/04
G01J 3/18
G01J 3/28
Applicants: METTLER-TOLEDO GMBH
Inventors: KUO, Chun-Hung
KOVICH, Robert
POL, Tomasz
CREVATIN, Mario
Title: SPECTROGRAPH
Abstract:
A spectrograph (100) as disclosed includes a housing (102), wherein a wall (104) of the housing includes first, second and third openings (106, 108, 110), an entrance slit (112) located at the first opening (106) and configured to direct light along a first light path portion (LP1) in the interior of the housing, a dispersive element (114) located at the second opening (108) and configured to receive light from the entrance slit along the first light path portion and direct light along a second light path portion (LP2) in the interior of the housing, a detector (116) located at the third opening (110) and configured to receive light from the dispersive element along the second light path portion. The detector can include first and second groups of light-sensitive regions (118, 120). A cover (105) can be positioned to separate the first group of light-sensitive regions from the light path, the second group of light-sensitive regions being exposed to the light path.