| Model OL 750D | Model OL 750D-S | Model OL 750S | Model OL 756 | |
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Monochromator Type |
Double Additive | Double Subtractive | Single | Portable Double |
Wavelength Range |
200 nm to 30 µm | 200 nm to 30 µm | 280 nm to 30 µm | 200 nm to 800 nm |
Stray Light Rejection |
1.00E-08 | 1.00E-08 | 1.00E-04 | 1.00E-08 |
Optical Bandwidth FWHM * |
0.25 nm to 8 nm | 0.5 nm to 16 nm | 0.5 nm to 16 nm | 0.4 nm to 10 nm FWHM |
Wavelength Accuracy * |
+/- 0.05% | +/- 0.05% | +/- 0.05% | +/- 0.15 nm |
Wavelength Precision |
+/- 0.01% | +/- 0.01% | +/- 0.01% | +/- 0.025 nm |
Focal Length |
254 mm (x2) | 254 mm | 254 mm | 100 mm |
Aperture |
f/4 | f/4 | f/4 | f/3.5 |
Detector Channels |
2 or 4, AC or DC | 2 or 4, AC or DC | 2 or 4, AC or DC | 1, DC |
Chopper Frequency |
10-350 Hz | 10-350 Hz | 10-350 Hz | N/A |
Detector Options |
PMT, Si, InGaAs, Ge, PbS, PbSe, InSb, HgCdTe, Pyroelectric | PMT, Si, InGaAs, Ge, PbS, PbSe, InSb, HgCdTe, Pyroelectric | PMT, Si, InGaAs, Ge, PbS, PbSe, InSb, HgCdTe, Pyroelectric | PMT |
Optical Accessory Mounting |
Entrance or Exit | Entrance or Exit | Entrance or Exit | Entrance only |
