Longpass Filters
Optometrics
1350 nm Long Pass, 25 mm Dia.
Long Pass Filter Specifications | LP-1350-25
Cut-On Wavelength | 1350 nm | Cut-On Wavelength (Range) | 1301 – 1500 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, 420 nm – 1.15 μ
Standard Mini-Chrom Monochromator Specifications | MC1-04V
Operating Range
420 nm – 1.15 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
500 nm
Linear Dispersion (Center of Range)
10.66 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
