Shortpass Filters
Optometrics
750 nm Short Pass, 25.4 mm Dia.
Short Pass Filter Specifications | SP-750-25
Cut-Off Wavelength | 750 nm | Cut-Off Wavelength (Range) | 701 – 899 nm |
---|---|---|---|
Cut-Off Tolerance | ±3 nm | Transmission Region | Cut-off λ to 525 nm |
Minimum Peak Transmission | 80% | Slope (OD 0.3 to 4.0) | ≤ 5% |
Blocking | 10-4 Min. / 10-5 Avg. to 975 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, 190 – 650 nm
Scanning Mini-Chrom Monochromator Specifications | SMC1-01
Operating Range
190 – 650 nm
f Number
3.9
Focal Length
74 mm
Beam Path
In Line
Resolution with 50μ slits
0.27 nm
Resolution with 100μ slits
0.53 nm
Resolution with 150μ slits
0.80 nm
Resolution with 300μ slits (included)
1.60 nm
Resolution with 600μ slits
3.21 nm
Resolution with 1 mm slits
5.34 nm
Grating Density
2400 grooves/mm
Grating Blaze Wavelength
250 nm
Linear Dispersion (Center of Range)
5.34 nm/mm
Stray Light
≤ 0.003%
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
5 in stock (can be backordered)
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