Ruled Diffraction Gratings

120 Groove, 12.0 μ Blaze, 12.5 X 25 mm, 6 mm Thick, Standard Diffraction Grating

Price: $77.00

Ruled Diffraction Grating Specifications | G120R12.0QEAS

Grooves Per mm




Groove Angle


Dispersion @ Blaze (nm/mr)



Float Glass

Size (mm)

12.5 X 25 mm

Size Tolerance

±0.5 mm


6 mm

Thickness Tolerance

±0.5 mm

Grooves Parallel


Optical Coating




Clear Aperture


Edge Angle

90° ±0.50°


90° ±0.50°

Operating Temperature Range

-50° C to +125° C

Damage Threshold: Pulsed

350 mJ/cm², 200 nano sec. pulse

Damage Threshold: CW laser

40 watts/cm²

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

    Operating Range

    850 nm – 2.2 μ

    Resolution with 50μ slits

    1.08 nm

    Focal Length

    74 mm

    Resolution with 100μ slits

    2.17 nm

    f Number


    Resolution with 150μ slits

    3.25 nm

    Beam Path

    In Line

    Resolution with 300μ slits (included)

    6.50 nm

    Wavelength Accuracy

    ± 0.2% of λ

    Resolution with 600μ slits

    13.00 nm

    Wavelength Readability

    0.2 nm

    Resolution with 1 mm slits

    21.67 nm

    Wavelength Reproducibility

    ± 0.15%

    Linear Dispersion (Center of Range)

    21.73 nm/mm

    Operating Temperature Range

    -20° C to +80° C

    Grating Density

    600 grooves/mm

    Damage Threshold: Pulsed

    350 mJ /cm², 200 nano sec. pulse

    Grating Blaze Wavelength

    1.6 µ

    Damage Threshold: CW laser

    40 Watt/cm²

    Stray Light

    ≤ 0.02%

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