Infrared Diffraction Gratings with Optimum Laser Wavelength 3.5μ and Size (mm) 25 mm Sq.

Infrared Diffraction Gratings

These are original rulings or replicas that are typically used for tuning high and low power infrared lasers and wavelength scanning and selection in broadband infrared spectroscopy applications. For high power applications, these same gratings, as well as custom optimized designs, may be supplied as original rulings ruled directly into the metal substrate surface. Please contact Optometrics for custom infrared diffraction gratings.

Original Ruled Diffraction Gratings

Optometrics manufactures these gratings as original gratings ruled directly deposited on a Kanigen®* coated copper substrate with aluminum coating. This gives the original gratings an inherently higher damage threshold than their replicated counterparts which are produced on a Pyrex® substrate. Contact Optometrics to order custom ruled diffraction grating or call +1-978-772-1700.

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Product SKUs

  • 300 Groove, ML-601, 25 mm Sq., 9.5 mm Thick, Replica Diffraction Grating

    Efficiency Curve
    ML 601, 300/3.5
    G300MR3.5GGAC
    $169.00
    Available on backorder
    Add to cart

    Molecular Laser Tuning Diffraction Gratings Specifications | G300MR3.5GGAC

    Optical Coating

    Aluminum

    Grooves Per mm

    300

    Optimum Laser Wavelength

    3.5μ

    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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