Shortpass Filters
Optometrics
450 nm Short Pass, 25.4 mm Dia.
Short Pass Filter Specifications | SP-450-25
Cut-Off Wavelength |
450 nm |
Cut-Off Wavelength (Range) |
450 – 599 nm |
---|---|---|---|
Cut-Off Tolerance |
±3 nm |
Transmission Region |
Cut-off λ to 400 nm |
Minimum Peak Transmission |
70% |
Slope (OD 0.3 to 4.0) |
≤ 5% |
Blocking |
10-4 Min. / 10-5 Avg. to 585 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 Digital Mini-Chrom Monochromator Specifications | SDMC1-02
Operating Range
200 – 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
250 nm
Linear Dispersion (Center of Range)
7.27 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
4 in stock (can be backordered)
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