Holographic Wire Grid Polarizers with Surface Flatness λ/10 @ 10.6μ

Holographic Wire Grid Polarizers

Optometrics manufactures holographic wire grid polarizers on CaF2 (Calcium Fluoride), ZnSe (Zinc Selenide), BaF2 (Barium Fluoride), KRS-5 and Ge (Germanium), covering a wavelength region from 2.5 to 30 microns.

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  • 2.5 to 30 microns
  • CaF2, ZnSe, BaF2, Ge and KRS-5 (Thallium Bromide) substrates
  • Finer grid pattern for better low wavelength performance
  • High transmission
  • Extinction ratio > 90,000:1

  • Zinc Selenide’s transmission can be enhanced over a selected wavelength range, typically 9 to 11 microns, by an AR coating on the rear surface
  • Calcium Fluoride and Barium Fluoride have low refractive index values and do not see significant benefit from AR coatings
  • KRS-5 is not normally AR coated, because this would limit its broad transmission range, which is its primary advantage
  • Germanium polarizers are AR/AR coated to maximize transmission @10.6μ
  • Due to the manufacturing process ruled wire grid polarizers are not offered with AR coatings

Product SKUs

  • Holographic Wire Grid Polarizer, BaF2, 38 mm Dia., unmounted

    Maximum Transmission Curve
    max graph
    WP-H-B-34-38U
    $1,325.00
    1 in stock
    Add to cart

    Holographic Wire Grid Polarizer Specifications | WP-H-B-34-38U

    Extinction ratio @ 10µ

    300:1

    Substrate

    BaF2

    Size (mm)

    38 mm dia.

    Size Tolerance

    ±0.5 mm

    Thickness

    3.0 mm

    Thickness Tolerance

    ±0.5 mm

    Clear Aperture

    34 mm

    Mount

    Unmounted

    Surface Flatness

    λ/10 @ 10.6μ

    Parallelism

    ≤ 3 arc minutes

    Wire Grid Spacing

    2700 grooves/mm

  • Holographic Wire Grid Polarizer, BaF2, 50 mm Dia., ring mounted

    Maximum Transmission Curve
    max graph
    WP-H-B-34-50M
    $1,445.00
    3 in stock
    Add to cart

    Holographic Wire Grid Polarizer Specifications | WP-H-B-34-50M

    Extinction ratio @ 10µ

    300:1

    Substrate

    BaF2

    Size (mm)

    50 mm dia.

    Size Tolerance

    ±0.5 mm

    Thickness

    6.0 mm

    Thickness Tolerance

    ±0.5 mm

    Clear Aperture

    34 mm

    Mount

    Ring Mounted

    Surface Flatness

    λ/10 @ 10.6μ

    Parallelism

    ≤ 3 arc minutes

    Wire Grid Spacing

    2700 grooves/mm

  • Holographic Wire Grid Polarizer, CaF2, 38 mm Dia., unmounted

    Maximum Transmission Curve
    max graph
    WP-H-C-34-38U
    $1,250.00
    1 in stock
    Add to cart

    Holographic Wire Grid Polarizer Specifications | WP-H-C-34-38U

    Extinction ratio @ 8µ

    300:1

    Substrate

    CaF2

    Size (mm)

    38 mm dia.

    Size Tolerance

    ±0.5 mm

    Thickness

    3.0 mm

    Thickness Tolerance

    ±0.5 mm

    Clear Aperture

    34 mm

    Mount

    Unmounted

    Surface Flatness

    λ/10 @ 10.6μ

    Parallelism

    ≤ 3 arc minutes

    Wire Grid Spacing

    2700 grooves/mm

  • Holographic Wire Grid Polarizer, CaF2, 50 mm Dia., ring mounted

    Maximum Transmission Curve
    max graph
    WP-H-C-34-50M
    $1,385.00
    2 in stock
    Add to cart

    Holographic Wire Grid Polarizer Specifications | WP-H-C-34-50M

    Extinction ratio @ 8µ

    300:1

    Substrate

    CaF2

    Size (mm)

    50 mm dia.

    Size Tolerance

    ±0.5 mm

    Thickness

    6.0 mm

    Thickness Tolerance

    ±0.5 mm

    Clear Aperture

    34 mm

    Mount

    Ring Mounted

    Surface Flatness

    λ/10 @ 10.6μ

    Parallelism

    ≤ 3 arc minutes

    Wire Grid Spacing

    2700 grooves/mm

  • Holographic Wire Grid Polarizer, GE, 38 mm Dia., unmounted

    Maximum Transmission Curve
    max graph
    WP-H-G-34-38U
    $1,625.00
    Available on backorder
    Add to cart

    Holographic Wire Grid Polarizer Specifications | WP-H-G-34-38U

    Extinction ratio @ 10.6µ

    300:1

    Substrate

    GE (AR/AR)

    Size (mm)

    38 mm dia.

    Size Tolerance

    ±0.5 mm

    Thickness

    3.0 mm

    Thickness Tolerance

    ±0.5 mm

    Clear Aperture

    34 mm

    Mount

    Unmounted

    Surface Flatness

    λ/10 @ 10.6μ

    Parallelism

    ≤ 3 arc minutes

    Wire Grid Spacing

    2700 grooves/mm

  • Holographic Wire Grid Polarizer, GE, 50 mm Dia., ring mounted

    Maximum Transmission Curve
    max graph
    WP-H-G-34-50M
    $1,785.00
    1 in stock
    Add to cart

    Holographic Wire Grid Polarizer Specifications | WP-H-G-34-50M

    Extinction ratio @ 10.6µ

    300:1

    Substrate

    GE (AR/AR)

    Size (mm)

    50 mm dia.

    Size Tolerance

    ±0.5 mm

    Thickness

    6.0 mm

    Thickness Tolerance

    ±0.5 mm

    Clear Aperture

    34 mm

    Mount

    Ring Mounted

    Surface Flatness

    λ/10 @ 10.6μ

    Parallelism

    ≤ 3 arc minutes

    Wire Grid Spacing

    2700 grooves/mm

  • Holographic Wire Grid Polarizer, ZnSe, 38 mm Dia., unmounted

    Maximum Transmission Curve
    max graph
    WP-H-Z-34-38U
    $1,490.00
    Available on backorder
    Add to cart

    Holographic Wire Grid Polarizer Specifications | WP-H-Z-34-38U

    Extinction ratio @ 10µ

    300:1

    Substrate

    ZnSe

    Size (mm)

    38 mm dia.

    Size Tolerance

    ±0.5 mm

    Thickness

    3.0 mm

    Thickness Tolerance

    ±0.5 mm

    Clear Aperture

    34 mm

    Mount

    Unmounted

    Surface Flatness

    λ/10 @ 10.6μ

    Parallelism

    ≤ 3 arc minutes

    Wire Grid Spacing

    2700 grooves/mm

  • Holographic Wire Grid Polarizer, ZnSe, 50 mm Dia., ring mounted

    Maximum Transmission Curve
    max graph
    WP-H-Z-34-50M
    $1,620.00
    1 in stock
    Add to cart

    Holographic Wire Grid Polarizer Specifications | WP-H-Z-34-50M

    Extinction ratio @ 10µ

    300:1

    Substrate

    ZnSe

    Size (mm)

    50 mm dia.

    Size Tolerance

    ±0.5 mm

    Thickness

    6.0 mm

    Thickness Tolerance

    ±0.5 mm

    Clear Aperture

    34 mm

    Mount

    Ring Mounted

    Surface Flatness

    λ/10 @ 10.6μ

    Parallelism

    ≤ 3 arc minutes

    Wire Grid Spacing

    2700 grooves/mm

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