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Optical system |
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| Optical scheme |
Czerny-Turner (astigmatism–compensated in model MSO7501i and model MSO7504i) |
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| Ports |
1 input, 2 outputs |
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| Wavelength range |
185 nm – 60 μm (depends on the type of grating) |
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| F-number (entrance) |
8.9 |
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| Focal length (output) |
750 mm |
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Scanning range (limited by grating rotation angle) |
0 – 1270 nm (grating 1200 l/mm) |
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Main mirrors |
spherical | |
| Stray light |
5.5 х 10-7 |
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| Focal plane |
28 х 10 mm |
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Imaging (Characteristics of models with astigmatism compensation: MSO7501i, MSO7504i) |
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| Horizontal magnification |
1.05 |
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| Vertical magnification |
1.125 |
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| Vertical spatial resolution |
< 15 μm |
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Drive |
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| Motor type |
micro stepper |
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| Drive |
sine |
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| Step |
0.22 arc seconds |
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| Accuracy |
± 1 step |
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| Max. speed |
10 000 steps/s |
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Ports |
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| Number of ports |
1 input, 2 outputs |
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| Output port repeatability (automated mirror) |
± 0.01 nm |
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| Switching time (output port) |
10 s |
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Optics (for grating 1200 l/mm, slit width 15 µm, wavelength 546 nm) |
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| Type of grating |
1200 l/mm, λ = 546 nm |
Echelle, 75 l/mm, λ = 200 nm, 120 order |
| Reciprocal linear dispersion |
1.02 nm/mm |
0.055 nm/mm |
| Spectral resolution |
|
|
|
0.015 nm |
0.0008 nm |
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0.02 nm |
0.0011 nm |
| Repeatability |
± 0.007 nm |
± 0.0009 nm |
| Wavelength accuracy |
± 0.034 nm |
± 0.0045 nm |
| Average scanning step |
0.0017 nm |
– |
| Scanning step at 200 nm |
– |
2.25 x 10-4 nm |
Gratings |
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| Size |
80 х 70 х 10 mm |
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| Rotation |
About the center of a grating working surface |
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| Mounting |
1. Automated 4-grating turret (models MSO7504, MSO7504i) 2. Positioner for 1 manually changeable grating (models MSO7501 и MSO7501i) |
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| Grating repeatability for the automated 4-grating turret (models MSO7504, MSO7504i) | ||
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± 0,03 nm |
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± 50 μm |
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| Grating repeatability for 1 manually changeable grating (models MSO7501 and MSO7501i) | ||
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± 0.05 nm |
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|
± 75 µm |
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Control |
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| Central |
on-board CPU |
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| External |
PC |
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| External interface |
Ethernet |
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Dimensions |
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| Overall sizes (LхWхH) |
950 х 361 х 343 mm |
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| Weight |
45 kg (may vary, depends on configuration) |
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