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    Brewster Angle Dispersing Prisms are
    specialized optical components cut to allow p-polarized light to enter and exit at Brewster's angle, minimizing reflection losses to near zero. They are widely used in ultrashort pulse laser systems (internal or external cavity) to compensate for chromatic dispersion or for wavelength separation in spectroscopy, commonly made of UV-grade fused silica or SF10 glass. 
    Key Features and Applications: 
    • Minimal Loss: Because they operate at Brewster’s angle, they are ideal for high-precision, low-loss laser applications.
    • Dispersion Compensation: Frequently used in Ti:Sapphire lasers to manage the dispersion of cavity optics.
    • Anamorphic Beam Expansion: Pairs of these prisms can be used as beam expanders.
    • Materials & Angles: Often manufactured in UV-grade fused silica or high-dispersion materials like SF10/SF11, with apex angles (typically ~60°–69°) designed for specific wavelengths (e.g., 1064 nm).
    • Usage Types: Used in both intra-cavity and extra-cavity setups for pulse shaping. 
    Common Specifications: 
    • Transmission Range: 185–2100 nm (depending on material).
    • Surface Quality: 40-20 or better scratch-dig for low scattering.
    • Surface Finish: Uncoated, utilizing the Brewster angle for transmission rather than anti-reflection coatings. 
    • Brewster Angle Dispersing Prisms For Ultrashort Pulses
      Prisms are designed in a way to satisfy condition of minimum loss due to entrance and exit at Brewster's angle. * High surface qua...
      InStockOptics
    • 10SB10 Brewster Angle Dispersing Prism - Newport
      Specifications * Transmission. 185–2100 nm. * Size. 25 x 25 x 25 mm. * Material. UV Grade Fused Silica. * Apex Angle. 69.06° * Ant...
      Newport Corporation
    • Brewster Angle Dispersing Prisms For Ultrashort Pulses - Newport
      Brewster angle dispersing prisms can be critical components in ultrashort pulse laser systems. These prisms are used intracavity t...
      Newport Corporation
    Show all
    • Brewster Angle Dispersing Prisms For Ultrashort Pulses
      Prisms are designed in a way to satisfy condition of minimum loss due to entrance and exit at Brewster's angle. * High surface qua...
      InStockOptics
    • 10SB10 Brewster Angle Dispersing Prism - Newport
      Specifications * Transmission. 185–2100 nm. * Size. 25 x 25 x 25 mm. * Material. UV Grade Fused Silica. * Apex Angle. 69.06° * Ant...
      Newport Corporation
    • Brewster Angle Dispersing Prisms For Ultrashort Pulses - Newport
      Brewster angle dispersing prisms can be critical components in ultrashort pulse laser systems. These prisms are used intracavity t...
      Newport Corporation
    • Dispersing prisms - 4Lasers
      4Lasers standard uncoated isosceles dispersing prisms are fabricated from UVFS, BK7, SF11 optical glasses and offer different disp...
      4Lasers
    • Dispersive Prisms | MEETOPTICS Academy
      Unlike typical dispersive prisms that split light into its constituent colors primarily through refraction, Brewster prisms are cu...
      MEETOPTICS
    • How Light's Incident Angle Affects Transmission & Finding ...
      May 7, 2024 — shows when this rule of thumb breaks. down the reflection coefficients for solarized light increases exponentially with the increa...
      YouTube·Thorlabs
      7m
    • Brewster Angle Prisms - Newport
      These prisms are used intracavity to compensate for dispersion of fixed cavity optics, such as a Ti:Sapphire crystal, or external ...
      Newport Corporation
    • 10SF10 Brewster Angle Dispersing Prism - Newport
      Brewster Angle Dispersing Prism, Ultrafast, SF10, 25 mm, 370-2000 nm. Brewster Angle Dispersing Prism, Ultrafast, SF10, 25 mm, 370...
      Newport Corporation
    • Laser Dispersing Prisms | EKSMA Optics
      Separate light by wavelength. They are made so that entrance and exit beams pass through at the Brewster Angle. Like Brewster Angl...
      EKSMA Optics
    • Prism Pairs - RP Photonics
      Nov 20, 2025 — What are Prism Pairs Used For? Pairs of (typically Brewster-angled) prisms can be used as beam expanders — see the article on anam...
      RP Photonics
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    My Ad Center

    Brewster Angle Prisms


    Newport Corporation
    https://www.newport.com › brewster-angle-prisms
    Newport Corporation
    https://www.newport.com › brewster-angle-prisms
    These prisms are used intracavity to compensate for dispersion of fixed cavity optics, such as a Ti:Sapphire crystal, or external cavity to manipulate pulse ...Read more

    Laser Dispersing Prisms


    EKSMA Optics
    https://eksmaoptics.com › optical-prisms › laser-dispersin...
    EKSMA Optics
    https://eksmaoptics.com › optical-prisms › laser-dispersin...
    Like Brewster Angle Windows, Laser Dispersing Prisms can be used inside the cavity of laser operating on very low gain laser transitions, where even slight ...Read more
    $44.00

    06LK10 Brewster Angle Dispersing Prism


    Newport Corporation
    https://www.newport.com › ...
    Newport Corporation
    https://www.newport.com › ...
    The 06LK10 Ultrafast Laser Brewster Angle Dispersing Prism is a 15.0 mm Prism made with N-LaK21 or equivalent glass, and optimized for 370-2000 nm.Read more
    $290.00 · In stock · Free delivery · 30-day returns

    EKSMA Optics Brewster Prism - 320-1525


    MEETOPTICS
    https://www.meetoptics.com › ... › Dispersion Prisms
    MEETOPTICS
    https://www.meetoptics.com › ... › Dispersion Prisms
    Laser Dispersing Prism ; Thickness: 25 mm ; Abbe Number: 67.82 (Typical) ; Apex Angle: 69° (±2') ; Input Beam Diameter: 22 mm (Maximum) ; Length: 50 mm.Read more

    10SF10 Brewster Angle Dispersing Prism


    Newport Corporation
    https://www.newport.com › ...
    Newport Corporation
    https://www.newport.com › ...
    The 10SF10 Ultrafast Laser Brewster Angle Dispersing Prism is a 25.0 mm Prism made with SF10, and optimized for 370-2000 nm.Read more
    $513.00 · In stock · Free delivery · 30-day returns

    Dispersing prisms


    4Lasers
    https://4lasers.com › components › laser-components
    4Lasers
    https://4lasers.com › components › laser-components
    Used in both intra- and extra-cavity setups for ultrashort laser pulse temporal manipulation. Their construction enables to use of them at Brewster angle, ...Read more

    Prism Pairs – dispersive delay line, dispersion compensation


    RP Photonics
    https://www.rp-photonics.com › Encyclopedia
    RP Photonics
    https://www.rp-photonics.com › Encyclopedia
    Prism pairs can provide anomalous dispersion with very low insertion loss, particularly when using Brewster-angled prisms for p-polarized light. This makes them ...Read more

    Brewster angle prisms: a review


    ScienceDirect.com
    https://www.sciencedirect.com › article › abs › pii
    ScienceDirect.com
    https://www.sciencedirect.com › article › abs › pii
    by M Cervantes · 1988 · Cited by 4 — Some prisms have been devised that use light incident at the polarizing angle and total internal reflection (TIR) to produce angular or lateral ...Read more

    Custom Brewster Angle Dispersing Prisms ...


    UNI Optics
    https://www.uni-optics.com › brewster-angle-dispersing-...
    UNI Optics
    https://www.uni-optics.com › brewster-angle-dispersing-...
    Right Angle Prisms are typically used to bend image paths or for redirecting light at 90°. Right Angle Prisms are Prisms designed with a 90° angle.Read more

    Understanding Optical Prisms


    Knight Optical
    https://www.knightoptical.com › News
    Knight Optical
    https://www.knightoptical.com › News
    Sep 24, 2025 — Our custom UV-fused silica versions take this further, with input and output faces positioned at Brewster's Angle for 240nm wavelengths. Wedge ...Read more
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