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Specifications |
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Focal length |
640mm, all stages |
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Aperture ** |
f/7.5 |
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Dispersion:** Additive triple |
0.23 nm/mm |
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Dispersion: ** Single
(direct or subtractive double) |
0.7 nm/mm |
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Gratings: |
76 x 76 mm2;
selection from over 50 gratings including the patented PAC gratings |
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Drive mechanism |
Sine bar |
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Step Size:* |
0.00066nm |
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Mechnical range:* |
0 to 1000nm (and above) |
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Slits: |
0 to 2mm wide;
0.5,1.,2.5,5,15 mm high |
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(subtractive intermediate): |
0 to 50mm wide; 0 to 15mm high |
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(spectrograph entrance): |
0 to 25mm wide, 0 to 15mm high |
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Spectrograph port: |
25 - 30mm clear aperture |
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*Based on
1800 gr.mm gratings, **dependant upon wavelength |
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Spectral
Resolution and Coverage |
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Configuration |
Single
(direct or double filter stage) |
Additive Triple |
|
Grating
(gr/mm) |
Mechanical
Range |
CCD
Coverage (1")** |
CCD
Coverage (1")** |
|
300 |
0-6000nm |
133nm |
38.0nm |
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600 |
0-3000nm |
62nm |
21.0nm |
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1200 |
0-1500nm |
30nm |
9.1nm |
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1800 |
0-1000nm |
17nm |
5.7nm |
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2400 |
0-750nm |
11nm |
4.1nm |
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3600 |
0-500nm |
6nm |
2.0nm |
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** 1nm
corresponds to ca.
100cm-1 at 320nm
40cm-1 at 500nm
15cm-1 at 750nm |
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