Shortpass Filters
Optometrics
900 nm Short Pass, 25.4 mm Dia.
Short Pass Filter Specifications | SP-900-25
Cut-Off Wavelength | 900 nm | Cut-Off Wavelength (Range) | 900 – 1000 nm |
|---|---|---|---|
Cut-Off Tolerance | ±15 nm | Transmission Region | Cut-off λ to 630 nm |
Minimum Peak Transmission | 80% | Slope (OD 0.3 to 4.0) | ≤ 5% |
Blocking | 10-4 Min. / 10-5 Avg. to 1,170 nm | 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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Scanning Monochromator, 500 nm – 1.2 μ
Scanning Mini-Chrom Monochromator Specifications | SMC1-04
Operating Range
500 nm – 1.2 μ
f Number
3.9
Focal Length
74 mm
Beam Path
In Line
Resolution with 50μ slits
0.53 nm
Resolution with 100μ slits
1.06 nm
Resolution with 150μ slits
1.59 nm
Resolution with 300μ slits (included)
3.19 nm
Resolution with 600μ slits
6.37 nm
Resolution with 1 mm slits
10.62 nm
Grating Density
1200 grooves/mm
Grating Blaze Wavelength
750 nm
Linear Dispersion (Center of Range)
10.66 nm/mm
Stray Light
≤ 0.02%
Wavelength Accuracy
± 0.2% of λ
Wavelength Reproducibility
± 0.15%
Drive Hystersis
3.6° typical; 14° maximum
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
