Ocean Optics Nirquest Install - Manual (Page 38)

B: Specifications
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NIRQuest Spectrometer – Slit Size vs. Resolution
and Throughput
The following chart illustrates the effect that varying slit sizes have on NIRQuest512 Spectrometer
resolution and throughput:
0
2
4
6
8
10
12
14
16
0 50 100 150 200
Slit Size (microns)
R
e
s
ol
ut
ion (
FW
H
M
)
0
10
20
30
40
50
60
R
el
at
ive I
n
ten
si
ty
NIRQuest Gratings
The following tables show the NIRQuest gratings available for preconfigured (standard) setups and for all
options. Additional grating options, adjustments to starting and ending wavelengths and similar
customization may be available. Please contact an Applications Scientist for details.
Spectrometer Standard
Grating
Groove
Density
(lines/mm)
Spectral
Range
Blaze
Wavelength
Best Efficiency
(>30%)
NIRQuest512 NIR3 150 ~800 nm 1100 nm 900-1700 nm
NIRQuest512-1.9 NIR3 150 ~800 nm 1100 nm 1100-1900 nm
NIRQuest512-2.2 NIR2 100 1150 nm 1600 nm 900-2200 nm
NIRQuest512-2.5 NIR1 75 1425 nm 1700 nm 1075-2500 nm
NIRQuest256-2.1 NIR2 100 1150 nm 1600 nm 900-2050 nm
NIRQuest256-2.5 NIR1 75 1425 nm 1700 nm 1075-2500 nm