K9L Corner Cube Prism

K9L Corner Cube Prism

K9 Corner Cube Prisms are widely used for collimation and precise optical retroreflection, reflecting incoming light beams directly back toward their source. Through three internal reflections, these prisms return incident beams and images along their original propagation direction. Regardless of the incident angle, the output beam is inverted and reflected at a fixed 180° retroreflection angle. Insensitive to alignment deviations, corner cube prisms serve as ideal retroreflective optical components for demanding optical systems.

Manufactured from high-quality K9 optical glass, these prisms feature excellent broadband transmittance across the 350 nm to 2000 nm spectral range. The material provides high hardness, strong resistance to physical and chemical damage, and extremely low levels of bubbles and inclusions, making it a reliable substrate for fabricating a full range of precision optical components.

Tuniu Optics supplies standard K9 corner cube prisms with diameters ranging from Φ8 mm to Φ72.5 mm. Available configurations include uncoated versions, silver-coated reflective surfaces, and components with either VIS or NIR anti-reflection coatings on the entrance surface. Custom K9 corner cube prisms tailored to specific application requirements are also available upon request.

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