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Corner Cube Prisms (Retroreflectors): Precision Optics

Introduction of Corner Cube Prims

Welcome to our comprehensive guide of Corner Cube Prisms (retroreflectors). In this article, we’ll look at their features, applications, and specifications as precision optical components used in imaging, laser applications, or metrology – understanding them is key! Join us as we delve deeper into this world of Corner Cube Prisms across many industries.

Product Description

corner cube prism

Corner Cube Prisms, sometimes referred to as trihedral prisms, are optical components designed to reflect incident light beams back towards their source. Comprised of three mutually perpendicular reflective surfaces acting as retroreflectors, Corner Cube Prisms offer precise beam reflection thanks to their geometric form – perfect for applications requiring high parallelism and accuracy.

Corner Cube Prisms are widely utilized in optical systems like interferometers and variable optical delay lines where maintaining light directionality is of critical importance. Their precision and reliability make them invaluable parts of precision optics systems.


corner cube prisms (1)

Corner Cube Prisms can be found in many industries due to their distinct optical properties. Let’s examine some of these retroreflectors’ key applications:

  • Interferometers

    Corner Cube Prisms play an essential part in interferometry by accurately directing light beams. They are commonly employed for applications including distance measurement, surface analysis and optical testing.

  • Optical Metrology

    Corner Cube Prisms are essential parts of optical metrology systems used for precision measurements as they ensure precise alignment while upholding light paths.

  • Spectroscopy

    Corner Cube Prisms are ideal solutions for applications involving spectroscopy which require precise beam steering and control; providing efficient light collection while optimizing the performance of spectrometers.

  • Laser Systems

    Corner Cube Prisms can often be found in laser applications like rangefinders, cavities and beam alignment systems due to their ability to accurately reflect laser beams back onto themselves - this makes them essential components in these fields.

  • Imaging

    Corner Cube Prisms are often employed in imaging systems where precise alignment of reflected beam is essential, including target tracking, remote sensing and computer vision applications.

Corner Cube Prisms have proven invaluable in industries requiring precision optics. Due to their adaptability and reliability, they’ve proven indispensable.


Corner Cube Prisms come with various specifications designed to meet various application needs. Here are a few key specifications to bear in mind when purchasing one:

  • Wavelength Range

    Corner Cube Prisms can be tailored specifically to a wavelength range for optimal use across a variety of applications - typically UV to FIR spectrum (240-5000nm).

  • Dimensions

    Corner Cube Prisms come in various sizes to meet different system design needs; typically 5mm in diameter to 150 mm diameter allows greater versatility when building systems.

  • Coating Options

    Corner Cube Prisms can be coated with various materials to improve their performance, such as anti-reflection coatings for their front surfaces, back surface metal coatings, protective black coatings or high laser damage threshold coatings.

  • Beam Deviation

    Beam Deviation of Corner Cube Prism Precision can often be measured through their angular deviation. High-quality retroreflectors typically offer accurate beam deviation of under 2 arcseconds for accurate results.

  • Clear Aperture of Corner Cube Prisms

    When considering Corner Cube Prisms into optical systems, its clear aperture size should be taken into consideration to maximize usable area.

These specifications can be tailored to meet specific application needs, making consulting optical experts essential in selecting the most suitable specifications.

Instrumentation and Metrology

To ensure Corner Cube Prisms meet their desired specifications with precision and accuracy, advanced instrumentation and metrology techniques are implemented during their production process. Optic metrology equipment is used to inspect dimensions, angles and surface quality – this ensures they conform to specifications while offering reliable performance across applications.

At each stage of production, stringent quality control measures are implemented to ensure accuracy and performance of Corner Cube Prisms that meet industry standards. Our dedication to precision and quality ensures they arrive as planned on schedule.

Environmental Testing

Corner Cube Prisms are engineered to withstand challenging environmental conditions and deliver reliable performance when required in demanding applications. As part of environmental testing procedures, durability and resilience tests on Corner Cube Prisms may include:

  • Abrasion Testing

    Corner Cube Prisms undergo abrasion tests to gauge their resistance to wear and tear, so as to ensure their optical properties remain uncompromised even under harsh conditions.

  • Adhesion Testing

    Adhesion testing is performed to assess the strength of coatings applied to prisms, in order to ensure they remain intact for long-term performance.

  • Humidity Testing

    Corner Cube Prisms are subjected to high humidity environments in order to assess their resistance to moisture, an important consideration in applications that might expose them to humid environments.

  • Temperature Testing

    To assess the thermal stability of Corner Cube Prisms and to ensure they maintain performance over a wide temperature range.

Environmental tests ensure Corner Cube Prisms can withstand the rigorous demands of real world applications and deliver consistent and reliable performance over an extended period.


Corner Cube Prisms from reliable manufacturers adhere to industry standards and possess certifications that verify their quality and reliability. Certifications worth considering when searching for Corner Cube Prisms include:

  • ISO 9001 Certification

    This accreditation attests that a manufacturer has implemented and met all requirements necessary for consistently providing top-quality products and services.


    Certification to MIL-SPEC standards indicates that a manufacturer has met the stringent requirements established by the United States Department of Defense for military applications. MIL-SPEC certification ensures that Corner Cube Prisms meet performance and durability requirements set by DOD.

Verifying that the manufacturer holds appropriate certifications is key to procuring Corner Cube Prisms of the highest quality.

Description of Corner Cube Retroreflectors

Corner Cube Retroreflectors, commonly referred to as trihedral prisms, are optical components designed to direct incident light beams back towards their source of origin. While conventional prisms rely on total internal reflection or multiple surface reflections for this task, Corner Cube Retroreflectors achieve their functionality through using three mutually perpendicular reflective surfaces – this geometric form allows precise and efficient beam reflection – making them suitable for an array of applications.

Types of Retroreflectors Offered

types of retroreflectors

Corner Cube Prisms Come in Different Varieties There are various kinds of retroreflectors offered for various applications. Here are a few common retroreflector types.

  • Standard Corner Cubes

    These classic retroreflectors feature three mutually perpendicular reflective surfaces forming an L shape to deliver excellent performance across a variety of applications.

  • Truncated Retroreflectors:

    Truncated retroreflectors feature one or more surfaces partially removed to allow for precise beam manipulation or integration into space-limited systems.

  • Lateral Transfer Corner Cubes:

    Lateral transfer corner cubes feature an extra reflective surface to redirect an input beam in another direction, making them suitable for beam steering applications.

  • Custom Hollow Retroreflectors

    Custom hollow retroreflectors can be tailored to specific application needs, offering unique geometries or special features for specific uses.

Manufacturers offering various retroreflector types can provide solutions tailored to each application need and ensure maximum performance and functionality.

Technical Information

Corner Cube Retroreflectors, such as our Corner Cube Prisms, are engineered for precision beam deviation and precise parallelism. Custom corner cube retroreflectors allow us to craft unique custom corner cube prisms. No matter the orientation of our prisms, light beams entering will always return through normal incidence for optimal reflectivity.

Our corner cube retroreflectors are constructed from top-grade (K9)BK7and JGS1 materials for optimal performance. Their three mutually orthogonal prism surfaces offer perfect parallelism regardless of angle of incidence; additionally, these prisms feature protected metal coatings to minimize phase shifting and wavefront aberrations.

Retroreflectors from Corner Cube offer much larger clear apertures than conventional prisms, providing greater design flexibility in system development. Their larger aperture makes these corner cube retroreflectors suitable for applications spanning land surveying, laser resonator cavities and space vessel docking – among others.


When purchasing Corner Cube Prisms, it is imperative to partner with a reliable provider. At our precision optics company, we offer high-quality Corner Cube Prisms that meet industry standards – plus exceptional customer service! For any further enquiries please reach out and speak with one of our knowledgeable team members who would be more than happy to assist you. Contact Now!


Corner Cube Prisms with their distinctive retroreflective properties play an integral part in precision optics applications such as interferometers and laser systems, offering accurate beam reflection while maintaining parallelism across various applications. By understanding their features, applications, and specifications you can make informed decisions when selecting and incorporating Corner Cube Prisms into optical systems.

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