Ruled Diffraction Gratings

1200 Groove, 250 nm Blaze, 25 mm Sq., 9.5 mm Thick, CW Type Diffraction Grating

G1200R250GGAC
Price: $169.00

Ruled Diffraction Grating Specifications | G1200R250GGAC

Optical Coating

Aluminum

Grooves Per mm

1200

Blaze

250 nm

Groove Angle

8.63°

Dispersion @ Blaze (nm/mr)

0.82

Substrate

Pyrex

Size (mm)

25 mm Sq.

Size Tolerance

±0.5 mm

Thickness

9.5 mm

Thickness Tolerance

±0.5 mm

Scratch/Dig

60/40

Clear Aperture

90%

Edge Angle

90° ±0.50°

Perpendicularity

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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    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 watts/cm²

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