Polka Dot Beam Splitters

Polka Dot Beam Splitters

Broadband beamsplitter enlargedPolka dot beam splitters provide constant reflection to transmission ratio over the entire 250 to 2000nm range using a fused silica substrate or 400 to 2000nm wavelength range with a B270 substrate.

The “polka dot” appearance of these beam splitters comes from the combination of a photolithography process and the vacuum deposition of aluminum. The result is a precise pattern of small aluminum “dots” on the glass substrate. The beam is split by reflection from the aluminized dots and transmission through the non-aluminized portion of the substrate.

Product SKUs

  • Polka Dot Beam Splitter, Fused Silica, 40:60, 12.7 mm Dia.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-4060-12D
    $87.00
    46 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-4060-12D

    Reflecting Transmitting Ratio

    40:60

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    12.7 mm dia.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 40:60, 25.4 mm Dia.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-4060-25D
    $143.00
    8 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-4060-25D

    Reflecting Transmitting Ratio

    40:60

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    25.4 mm dia.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 40:60, 25.4 mm Sq.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-4060-25S
    $143.00
    8 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-4060-25S

    Reflecting Transmitting Ratio

    40:60

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    25.4 mm sq.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 40:60, 38 mm Sq.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-4060-38S
    $209.00
    4 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-4060-38S

    Reflecting Transmitting Ratio

    40:60

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    38.0 mm sq.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 40:60, 38 mm Dia.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-4060-38D
    $209.00
    4 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-4060-38D

    Reflecting Transmitting Ratio

    40:60

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    38.0 mm dia.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 40:60, 50.8 mm Dia.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-4060-50D
    $274.00
    3 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-4060-50D

    Reflecting Transmitting Ratio

    40:60

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    50.8 mm dia.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 40:60, 50.8 mm Sq.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-4060-50S
    $274.00
    Available on backorder
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-4060-50S

    Reflecting Transmitting Ratio

    40:60

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    50.8 mm sq.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 50:50, 12.7 mm Dia.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-5050-12D
    $87.00
    24 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-5050-12D

    Reflecting Transmitting Ratio

    50:50

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    12.7 mm dia.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 50:50, 25.4 mm Dia.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-5050-25D
    $143.00
    14 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-5050-25D

    Reflecting Transmitting Ratio

    50:50

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    25.4 mm dia.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Polka Dot Beam Splitter, Fused Silica, 50:50, 25.4 mm Sq.

    Diagram
    polka-dot-beam-splitter
    PBS-FS-5050-25S
    $143.00
    7 in stock
    Add to cart

    Polka Dot Beam Splitter Specifications | PBS-FS-5050-25S

    Reflecting Transmitting Ratio

    50:50

    Split Ratio Tolerance

    ± 5%

    Operating Range

    250 nm – 2.0 µ

    Substrate

    UV Grade Fused Silica

    Size (mm)

    25.4 mm sq.

    Size Tolerance

    +0.0 mm/-0.5 mm

    Thickness

    1.5 mm nominal

    Minimum Beam Diameter

    2 mm

    Coating Pattern

    Square coated apertures

  • Request a Quote

    Have our specialists create a custom quote for made-to-specification products.

Save & Share Cart
Stash it away! We'll save and create a unique link to your cart. You (or anyone with the link) will be able to use the link to retrieve the cart. Pretty cool but shop responsibly!
Back Save & Share Cart
We're ready! Are you? Remember, anyone who has the unique link to your cart will be able to retrieve it. So, share responsibly.
Your cart email sent successfully :)

Need a Custom Solution?

Products designed to your specifications. Request a quote or share your email an engineering expert will get in touch.

Request a Quote