Plate Beam Splitters with Coating Specification Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

Plate Beam Splitters are a type of Beam Splitter used in many life sciences, imaging, or laser applications, as well as in the entertainment and design industry.  Our Broadband Linear Plate Beam Splitter coatings are nearly wavelength independent across the visible spectrum. Therefore, both beams propagating from the beam splitter are virtually neutral in color. Since there is very little light loss due to absorption, the sum of the reflected and transmitted beam intensity nearly equals that of the incident beam. Broadband Linear Plate Beam Splitters are typically designed for a 45° angle of incidence, and when positioned at a 45° AOI a portion of the light striking the Plate Beam Splitter is transmitted, while another portion is reflected – therefore it is possible to produce beams of equal or varying intensity.  Many of our Plate Beam Splitters are available with the second surface coated with an anti-reflection (AR) to enhance each beam splitter’s overall efficiency and to prevent unwanted ghost reflections.

Plate beamsplitter at 45 degrees


50:50 Plate Beamsplitter

Product SKUs

  • Plate Beamsplitter, 30R/70T, 12.5 x 17.5mm x 1mm thick, AR on Side 2

    BS-3070-1217
    $30.00
    50 in stock
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Angle of Incidence

    45⁰

    Substrate

    Float Glass

    Size (mm)

    12.5 x 17.5mm

    Size Tolerance

    ±0.38mm

    Thickness

    1.0 mm nominal

    Edges

    Cut, 0.5mm Maximum Edge Chip

    Surface Quality

    80-50

  • Plate Beamsplitter, 30R/70T, 12.5mm Dia x 1mm thick

    BS-3070-125D
    $30.00
    Available on backorder
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Design Angle

    45 degrees

    Substrate

    Soda Lime Float Glass

    Size (mm)

    12.5mm Dia

    Size Tolerance

    ±0.38mm

    Thickness

    1.0 mm nominal

    Edges

    Cut

    Surface Quality

    80/50

    Surface Flatness

    4 – 6λ

  • Plate Beamsplitter, 30R/70T, 127 x 178mm x 3mm thick, AR on Side 2

    BS-3070-127178
    $166.00
    49 in stock
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Design Angle

    45 degrees

    Substrate

    Soda Lime Float Glass

    Size (mm)

    127.0 x 178.0

    Size Tolerance

    ±0.38mm

    Thickness

    3.0 mm nominal

    Edges

    Cut

    Surface Quality

    80/50

    Surface Flatness

    4 – 6λ

  • Plate Beamsplitter, 30R/70T, 20 x 37mm x 1mm thick

    BS-3070-2037
    $32.00
    50 in stock
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Angle of Incidence

    45°

    Substrate

    Soda Lime Float Glass

    Size (mm)

    20.0 x 37.0mm

    Size Tolerance

    ±0.38mm

    Thickness

    1.0 mm nominal

    Edges

    Cut

    Surface Flatness

    4 – 6λ

    Surface Quality

    80/50

  • Plate Beamsplitter, 30R/70T, 25 x 38mm x 3mm thick, AR on Side 2

    BS-3070-2538
    $36.00
    50 in stock
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Angle of Incidence

    45⁰

    Substrate

    Float Glass

    Size (mm)

    25.0 x 38.0

    Size Tolerance

    ±0.38mm

    Thickness

    3.0 mm nominal

    Edges

    Cut, 0.5mm Maximum Edge Chip

    Surface Quality

    80-50

  • Plate Beamsplitter, 30R/70T, 25 x 76mm x 2mm thick

    BS-3070-2576
    $38.00
    50 in stock
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Angle of Incidence

    45⁰

    Substrate

    Float Glass

    Size (mm)

    25.0 x 76.0

    Size Tolerance

    ±0.38mm

    Thickness

    2.0 mm nominal

    Edges

    Cut

    Surface Quality

    80/50

    Surface Flatness

    4 – 6λ

  • Plate Beamsplitter, 30R/70T, 254 x 356mm x 3mm thick, AR on Side 2

    BS-3070-254356
    $415.00
    50 in stock
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Angle of Incidence

    45⁰

    Substrate

    Float Glass

    Size (mm)

    254.0 x 356.0

    Size Tolerance

    ±0.38mm

    Thickness

    3.0 mm nominal

    Edges

    Cut

    Surface Flatness

    4 – 6λ

    Surface Quality

    80/50

  • Plate Beamsplitter, 30R/70T, 25mm Dia x 1mm thick

    BS-3070-25D
    $34.00
    Available on backorder
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Angle of Incidence

    45°

    Substrate

    Float Glass

    Size (mm)

    25 mm Dia.

    Size Tolerance

    ±0.38mm

    Thickness

    1.0 mm nominal

    Edges

    Cut

    Surface Quality

    80/50

    Surface Flatness

    4 – 6λ

  • Plate Beamsplitter, 30R/70T, 35 x 35mm x 1mm thick, AR on Side 2

    BS-3070-3535
    $38.00
    50 in stock
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Angle of Incidence

    45⁰

    Substrate

    Float Glass

    Size (mm)

    35.0 x 35.0

    Size Tolerance

    ±0.38mm

    Thickness

    1.0 mm nominal

    Edges

    Cut

    Surface Flatness

    4 – 6λ

    Surface Quality

    80/50

  • Plate Beamsplitter, 30R/70T, 50 x 50mm x 1mm thick

    BS-3070-5050
    $42.50
    50 in stock
    Add to cart

    Reflecting Transmitting Ratio

    30:70

    Coating Specification

    Surface 1: Dielectric, ±5% R/T @ 550nm Surface 2: AR ¼λ MgF2 @ 550nm

    Wavelength Range

    400-700nm

    Angle of Incidence

    45⁰

    Substrate

    Float Glass

    Size (mm)

    50.0 x 50.0

    Size Tolerance

    ±0.38mm

    Thickness

    1.0 mm nominal

    Surface Flatness

    4 – 6λ

    Surface Quality

    80/50

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