Surplus Substrate Material

Surplus Substrate Material

Surplus Substrate Material

Looking for optical substrate materials at a lower cost? Our surplus substrate materials offer a budget-friendly solution for research, prototyping, and low-volume production—without compromising on quality.

These substrates maintain our high standards for flatness, parallelism, and surface quality, making them suitable for a wide range of optical applications.

Available while supplies last—each item is sold on a first-come, first-served basis. Once a material is gone, it won’t be restocked.

Need help selecting a substrate or want more information? Contact our team—we’re here to help with specs, compatibility, and application guidance.

Showing 1–16 of 20 results

    PART NO.
    DESCRIPTION
    1 - 5 pcs.
    6 - 10 pcs.
    > 10 pcs.
    Stock Status

    Calcium Fluoride / 80.0 / 5.119 – 89010

    Calcium Fluoride Wedged substrate / 80.0MM dia / 5.12MM thickness

    $1,820.00
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    In Stock: 1

    Calcium Fluoride / 100 / 10 – 88979

    Uncoated CaF2 Window / 95mm dia / 9mm thickness

    $1,760.00
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    In Stock: 1

    Crystalline Quartz / 25 x 25 / 0.5 – 89035

    Crystalline wave plate 905nm / Fast axis is direction of cropped edge / 25mm X 25mm / 0.5mm

    $340.00
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    In Stock: 34

    Fused Silica / 70.0 X 70.0 / 7.0 – 88976

    Fused Silica Substrate, 0.265° Wedge Angle / 70mm X 70mm / 7.0mm thickness

    $855.00
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    In Stock: 2

    Fused Silica / 70.0 X 70.0 / 7.0 – 88977

    Fused Silica substrate 0.532° Wedge Angle / 70mm X 70mm / 7.0mm thickness

    $855.00
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    In Stock: 2

    Germanium / 6.00 x 4.00 / 0.34 – 88958

    Germanium substrate / 6.00 x 4.00 inch / 0.340 inch thickness

    $11,520.00
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    In Stock: 2

    germanium / 19.0 / 3.0 – 88948

    Germanium Substrate / 19.0mm / 3.0mmthick

    $392.00
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    In Stock: 18

    Germanium / 25.0 X 14.0 / 1.0 – 89008

    Germanium substrate / 25.0MM x 14.0mm / 1.0MM thickness

    $184.00
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    In Stock: 22

    Sapphire / 0.500 / 0.200 – 88872

    Sapphire Substrate / 0.500 inch dia / 0.200 inch thickness

    $36.00
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    In Stock: 200

    Silicon / 1.080 / 0.080 – 88866

    Silicon substrate / 1.080 inch dia / 0.080 inch thickness

    $110.00
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    In Stock: 60

    Silicon / 50 x 50 / 2.0 – 88904

    Silicon substrate / 50mm X 50mm / 2.0mm thickness

    $185.00
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    In Stock: 45

    Silicon / 50.8 x 76.2 / 2.0 – 89021

    Silicon substrate / 76.2mm X 50.8MM / 2.0MM thickness

    $337.00
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    In Stock: 10

    Silicon / 63.5 / 6.35 – 88850

    Silicon Substrate / 63.5mm dia. / 6.35mm thickness

    $265.00
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    In Stock: 24

    Silicon / 64.0 / 3.00 – 88973

    Silicon substrate / 64mm dia / 3mm thickness

    $335.00
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    In Stock: 6

    Zinc Selenide / 0.500 / 0.085 – 88946

    Zinc Selenide Substrate / 0.500 inch dia / 0.085 inch thicness

    $253.00
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    In Stock: 30

    Zinc Selenide / 0.500 / 0.085 – 88947

    Zinc Selenide Substrate / 0.500 inch dia / 0.085 inch thicness

    $123.00
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    In Stock: 62