|
Instrument
|
Focal Length (mm)
|
Design
|
Aperture
|
Resolution (nm) with 100
mm slit*
|
Reciprocal Linear Dispersion
(nm/mm)*
|
Stray Light (%)
|
|
|
500
|
Ebert
|
f/8.6
|
0.02
|
1.6
|
<0.2
|
|
275
|
Crossed Czerny-
Turner
|
f/3.8
|
0.3
|
3.0
|
0.001
|
|
|
250
|
Ebert
|
f/3.5
|
0.2
|
1.6
|
<0.2
|
|
|
156
|
Crossed Czerny-
Turner
|
f/3.8
|
0.6
|
4.5
|
0.0015
|
|
|
100
|
Czeny-
Turner
|
f/3.4
|
0.8
|
5.5
|
0.0015
|
|
|
Fixed Slits, Photomultiplier Tubes,
Filters, Optical Coatings
|
|
|
Detectors, Power Supplies, Calibration Lamps
|
|
|
How to select a grating for your monochromator or spectrograph
|
| * Resolution with
1200g/mm grating. |