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Series |
MSO200 |
MSO350 monochromator-spectrograph |
MSO520 monochromator-spectrograph |
MSO750 monochromator-spectrograph |
MSDDO1000 monochromator-spectrograph |
Photo |
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Optical scheme |
Cherny–Turner |
Cherny–Turner |
Cherny–Turner |
Cherny–Turner |
modified Cherny–Turner two-fold configuration |
Ports | 1 input, 2 output | 1 input, 2 output | 1 input, 2 output | 1 input, 2 output | 2 input, 2 output |
Wavelength range | 185 nm – 60 µm | 185 nm – 60 µm | 185 nm – 60 µm | 185 nm – 60 µm | 185 nm – 60 µm |
F/number (entrance) | 1/3.6 | 1/3.8 | 1/5.4 | 1/8.9 | 1/5.9 |
Focal length (output) | 200 mm | 350 mm | 520 mm | 750 mm | 1000 mm (2 x 500) |
Size of diffraction gratings | 40 х 40 х 6 mm | 70 х 70 х 10 mm | 80 x 70 x 10 mm | 80 х 70 х 10 mm | 80 х 70 х 10 mm |
Stray light (20 nm from laser line 632.8 nm) |
3 x 10-5 | 1 x 10-5 | 1 x 10-6 | 5.5 x 10-7 | 1 x 10-8 |
Size of the focal plane | 26 х 10 mm | 28 х 10 mm | 28 х 10 mm | 28 х 10 mm | 28 х 10 mm |
*Horizontal magnification | 1.18 | 1.09 | 1.07 | 1.05 | 1.01 |
*Vertical magnification | 1.48 | 1.49 | 1.29 | 1.125 | 1.15 |
*Vertical spatial resolution |
< 40 µm | < 35 µm | < 20 µm | < 15 µm | < 15 µm |
*For models with imaging option
All specifications measured with grating 1200 l/mm, wavelength 546 nm, entrance slit width 15 μm and detector pixel size 12 μm
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SLO100M imaging spectrograph with F-number of 3.3 and focal length of 100 mm uses a horizontal-symmetric configuration with two objectives |
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A unique spectrograph model NPO250 with F-number of 3.9 and focal length of 270 mm uses an original optical configuration with two independent optical channels. |
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DMO160 is a high-aperture double monochromator with dispersion subtraction. It is an instrument with F-number of 3.5 and the input focal length of 160 mm. |