Retroreflection Prisms

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TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

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

Hollow Retroreflectors

Incident Light is Reflected Back to the Source
Hollow Lightweight Design
No Material Absorption or Chromatic Aberration

Mounted N-BK7 Corner Cube Retroreflectors

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Mounted N-BK7 Corner Cube Retroreflectors

Incident Light is Reflected Back to the Source
Useful for Surveying and Alignment
¼-20 Tapped Holes for Easy Mounting
Also Available Unmounted

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

N-BK7 Corner Cube Retroreflectors

Incident Light is Reflected Back to the Source
Down to 3 Arcsecond Beam Deviation
Useful for Surveying and Alignment
Also Available Mounted

UV Fused Silica Corner Cube Retroreflectors

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

UV Fused Silica Corner Cube Retroreflectors

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

New Replicated Hollow Metal Retroreflectors

Monolithic Aluminum Construction
Return Beam Accuracy Unaffected by Vibration
Bare Gold Coated for High Reflectivity in the Infrared

Mounted Fused Silica Corner Cube Retroreflectors

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

New Mounted Fused Silica Corner Cube Retroreflectors

¼-20 Tapped Holes for Easy Mounting
Excellent Transmission in the UV
Useful for Surveying and Alignment
Also Available Unmounted

Featured Resources

Application Note

Introduction to Optical Prisms

Application Note

Prism Tunnel Diagrams

Application Note

Optical Prism Application Examples

FAQ

I’d like to adhere two prisms together, how can I effectively achieve this? Is there a specific adhesive that you recommend?

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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.