Infrared Diffraction Gratings

450 Groove, ML-502, 25 mm Sq., 9.5 mm Thick, Replica Diffraction Grating

Price: $169.00

Molecular Laser Tuning Diffraction Gratings Specifications | G450MR2.8GGAC

Optical Coating


Grooves Per mm


Optimum Laser Wavelength




Size (mm)

25 mm Sq.

Size Tolerance

±0.5 mm


9.5 mm

Thickness Tolerance

±0.5 mm



Clear Aperture


Edge Angle

90° ±0.50°


90° ±0.50°

Operating Temperature Range

-50° C to +200° C

Damage Threshold: Pulsed

3.5 J/cm², 200 nano sec. pulse

Damage Threshold: CW laser

250 watts/cm²

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    Scanning Digital Mini-Chrom Monochromator Specifications | SDMC1-06G

    Operating Range

    850 nm – 2.2 μ

    f Number


    Focal Length

    74 mm

    Beam Path

    In Line

    Resolution with 50μ slits

    1.08 nm

    Resolution with 100μ slits

    2.17 nm

    Resolution with 150μ slits

    3.25 nm

    Resolution with 300μ slits (included)

    6.50 nm

    Resolution with 600μ slits

    13.00 nm

    Resolution with 1 mm slits

    21.67 nm

    Grating Density

    600 grooves/mm

    Grating Blaze Wavelength

    1.6 µ

    Linear Dispersion (Center of Range)

    21.73 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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