4
INTRODUCTION
SPECIFICATION & INTERFACE
Omni-
λ
monochromator
Omni-
λ
150
Omni-
λ
300
Omni-
λ
500
Omni-
λ
750
Focal Length (mm)
150
300
500
750
Aperture
f/4.2
f/3.9
f/6.5
f/9.7
Wavelength Resolution(nm)
（
10
µ
m
×
2mm
）
0.4
0.1
0.05
0.03
Reciprocal Dispersion (nm/mm)
5.4
2.7
1.7
1.1
Wavelength Accuracy (nm)
±
0.25
±
0.2
±
0.11
Wavelength Reproducibility(nm)
±
0.1
Minim Step (nm)
0.01
0.005
Focal Plane Size(mm)
25(W)
×
10(H)
27(W)
×
14(H)
Slit
Width: 10
µ
m to 3mm
Height: 2, 4,14
mm height selectable
Gratings Size (mm)
32
×
32
(With dual grating
turret)
68
×
68(with Triple grating turret )
Size (mm)
212
×
200
×
195 362
×
260
×
195 550
×
288
×
195 800
×
338
×
202
Optical Axis Height
（
mm
）
137.5
Weight
（
kg
）
5
15
22
33
@
435.8nm
、
1200g/mm
Omni-
λ
-i Imaging Spectrograph
Omni-
λ
300i
Omni-
λ
500i
Omni-
λ
750i
Focal Length (mm)
320
500
750
Aperture
F/4.2
F/6.5
f/9.7
Resolution (PMT)(nm) (10µm
×
2mm)
0.08
0.046
0.028
Resolution(CCD)(nm)(13.5
µ
m)
0.25
0.15
0.09
Reciprocal Dispersion (nm/mm)
2.3
1.7
1.1
Wavelength Accuracy (nm)
±
0.2
±
0.15
±
0.1
Wavelength Reproducibility (nm)
±
0.1
±
0.08
±
0.01
Minim Step (nm)
0.005
0.005
0.0025
Focal Plane Size(mm)
30(W)
×
14(H)
Slit
Width: 0.01
m-
3mm(Motorised or manual slit)
Height: 2
、
4
，
14
mm, height selectable
Stray Light
1
×
10
-
5
Gratings Size (mm)
68
×
68
Optical Axis Height
（
mm
）
146
Size
（
mm
）
420
×
295
×
220
550
×
288
×
220
800
×
338
×
218
Weight
（
Kg
）
16
22
32.5
@
435.8nm
、
1200g/mm
