Short Pass Filters

550 nm Short Pass, 25.4 mm Dia.

SP-550-25
Price: $70.00

Short Pass Filter Specifications | SP-550-25

Cut-Off Wavelength

550 nm

Cut-Off Tolerance

±3 nm

Transmission Region

Cut-off λ to 400 nm

Minimum Peak Transmission

80%

Slope (OD 0.3 to 4.0)

3%

Blocking

10-4 Min. / 10-5 Avg. to 715 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

Cut-Off Wavelength (Range)

450 – 599 nm

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    Resolution with 1 mm slits

    10.62 nm

    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

    3.19 nm

    Resolution with 600μ slits

    6.37 nm

    Grating Type

    Ruled

    Grating Density

    1200 grooves/mm

    Grating Blaze Wavelength

    750 nm

    Grating Size

    2 cm2

    Linear Dispersion (Center of Range)

    10.66 nm/mm

    Stray Light

    ≤ 0.02%

    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

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