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    Retroreflection Prisms

    Retroreflection Prisms are used in applications where precision alignment is difficult or tedious. Retroflection Prisms reflect incident light back to the light source no matter the orientation of the Retroreflection Prism. Unlike an Optical Mirror, which needs to be at the normal angle of incidence in order to reflect light back to the source, a Retroreflection Prism can be oriented in any position so long as the light is hitting the entrance face. A Retroreflection Prism utilizes several total internal reflections to enable it to operate at even the most extreme angles of incidence.

    Edmund Optics’ offers mounted and unmounted Retroreflection Prisms in a range coating options. Reflective surfaces are available with reflection coatings including Aluminum or Silver. Entrance surfaces are available with VIS 0° anti-reflection coatings. Due to their complex shape, mounting a Retroflection Prism can be difficult. To ease system integration, Mounted Retroreflection Prisms featuring ¼-20 tapped holes are available.


    90° Specialty Mirrors
    • Splits Input Image Into Two Paths Separated by 180°
    • Variety of Sizes and Broadband Coatings Available
    • Additional Right Angle Prism Options Available

    Mounted N-BK7 Corner Cube Retroreflectors
    • Incident Light is Reflected Back to the Source
    • Ideal for Alignment
    • ¼-20 Tapped Holes for Easy Mounting
    • Also Available Unmounted

    N-BK7 Corner Cube Retroreflectors
    • Incident Light is Reflected Back to the Source
    • Down to 3 Arcsecond Beam Deviation
    • Ideal for Alignment
    • Also Available Mounted

    UV Fused Silica Corner Cube Retroreflectors
    • Incident Light is Reflected Back to the Source
    • Excellent Transmission in UV
    • Useful for Alignment
    • Additional Corner Cube Retroreflectors Available

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