Holographic Diffraction Gratings with Damage Threshold: Pulsed 3.5 J/cm², 200 nano sec. pulse and Dispersion @ 500 nm (nm/mr) 0.5

holographic-diffraction-grating--efficiency-curve
Sample Efficiency Curve – 1000 UV Holographic Grating

High-Quality Holographic Diffraction Gratings

These replicated holographic diffraction gratings are produced on soda lime glass substrates from high quality holographic master gratings and are intended for use in spectrometers and monochromators where cost and low stray light are of primary concern. They exhibit a flatter response due to their sinusoidal groove profile.

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Available with either standard or CW-type construction for higher damage thresh­old performance, holographic diffraction gratings can also be produced on substrates with a lower coefficient of thermal expansion for better stability. No damage threshold minimums apply to diffraction gratings with an overcoat.

Pulsed 350 milli-joules/ cm2 @ 200 n sec.
CW 40 watts/cm2

Pulsed 3.5 joules/ cm2 @ 200 n sec.
CW 250 watts/cm2

For continuous high power applications.

Optometrics develops hybrid grating and optical filter for holographic weapons sight.

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Product SKUs

  • 1800 Groove, VIS Holographic, 12.7 mm Sq., 6 mm Thick, CW Type Diffraction Grating

    Efficiency Curve
    1800 Visible Holographic, Master #397
    G1800HVISCEAC
    $137.00
    2 in stock
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    Holographic Diffraction Grating Specifications | G1800HVISCEAC

    Optical Coating

    Aluminum

    Grooves Per mm

    1800

    Blaze

    VIS

    Groove Angle

    Holographic VIS

    Dispersion @ 500 nm (nm/mr)

    0.5

    Substrate

    Pyrex

    Size (mm)

    12.7 mm Sq.

    Size Tolerance

    ±0.5 mm

    Thickness

    6 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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