Long Pass Filters

1250 nm Long Pass, 25 mm Dia.

LP-1250-25
Price: $70.00

Long Pass Filter Specifications | LP-1250-25

Cut-On Wavelength

1250 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

Cut-On Wavelength (Range)

1101 – 1300 nm

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    Standard Mini-Chrom Monochromator Specifications | MC1-03

    Operating Range

    300 – 800 nm

    Resolution with 50μ slits

    0.36 nm

    Focal Length

    74 mm

    Resolution with 100μ slits

    0.73 nm

    f Number

    3.9

    Resolution with 150μ slits

    1.09 nm

    Beam Path

    In Line

    Resolution with 300μ slits (included)

    2.18 nm

    Wavelength Accuracy

    ± 0.2% of λ

    Resolution with 600μ slits

    4.36 nm

    Wavelength Readability

    0.2 nm

    Resolution with 1 mm slits

    7.27 nm

    Wavelength Reproducibility

    ± 0.15%

    Linear Dispersion (Center of Range)

    7.16 nm/mm

    Operating Temperature Range

    -20° C to +80° C

    Grating Density

    1800 grooves/mm

    Damage Threshold: Pulsed

    350 mJ /cm², 200 nano sec. pulse

    Damage Threshold: CW laser

    40 Watt/cm²

    Grating Blaze Wavelength

    500 nm

    Stray Light

    ≤ 0.003%

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