Longpass Filters
Optometrics
1250 nm Long Pass, 25 mm Dia.
Long Pass Filter Specifications | LP-1250-25
Cut-On Wavelength | 1250 nm | Cut-On Wavelength (Range) | 1101 – 1300 nm |
|---|---|---|---|
Cut-On Tolerance | ±15 nm | Transmission Region | Cut-on λ to 2.2 µ minimum |
Minimum Peak Transmission | 70% | Slope (OD 0.3 to 4.0) | 3% |
Blocking | 10-4 Int. Min. / 10-5 Int. Avg. | Blocking Range | 200 nm-Cut On λ |
Size (mm) | 25 mm dia. | Size Tolerance | +0.0/-0.2 mm |
Thickness | 6.3 mm | Thickness Tolerance | +0.0/-0.2 mm |
Scratch/Dig | 80/50 | Clear Aperture | 21 mm |
Mount | Aluminum, Black Anodized | Operating Temperature Range | -20⁰ C to 75⁰ C |
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Standard Monochromator, 300 – 800 nm
Standard Mini-Chrom Monochromator Specifications | MC1-03
Operating Range
300 – 800 nm
f Number
3.9
Focal Length
74 mm
Beam Path
In Line
Resolution with 50μ slits
0.36 nm
Resolution with 100μ slits
0.73 nm
Resolution with 150μ slits
1.09 nm
Resolution with 300μ slits (included)
2.18 nm
Resolution with 600μ slits
4.36 nm
Resolution with 1 mm slits
7.27 nm
Grating Density
1800 grooves/mm
Grating Blaze Wavelength
500 nm
Linear Dispersion (Center of Range)
7.16 nm/mm
Stray Light
≤ 0.003%
Wavelength Accuracy
± 0.2% of λ
Wavelength Reproducibility
± 0.15%
Wavelength Readability
0.2 nm
Operating Temperature Range
-20° C to +80° C
Damage Threshold: Pulsed
350 mJ /cm², 200 nano sec. pulse
Damage Threshold: CW laser
40 Watt/cm²
