AccuCoat Inc. offers antireflection, high reflector, and beamsplitter coatings used in LiDAR systems for unmanned vehicles, airborne surface measurements, and ground-based mapping.  Our coatings are designed to enhance the sensitivity of LiDAR systems – improving their accuracy, range, and ability to see low-reflectivity objects. We manufacture our coatings with the durability to meet the rigors of harsh outdoor operating environments.

New to coatings specifically for LiDAR? Download our Top Specs for Coatings on Metals tipsheet to make the RFQ process easier.

polymer lidar spinners
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Metal coated spinner optic for LiDAR
Metal coated rotating “spinner” optic used in a LiDAR system

Mirror Coatings: We offer dielectric high reflector coatings as well as a variety of protected and enhanced metal coatings for application to mirrors and spinners used in LiDAR sensors.

AR Coatings: Our high-efficiency AR coatings provide excellent transmission at the desired wavelengths of operation, from visible to NIR. We offer narrow V-coats to help exclude ambient light or broadband AR coatings to allow the use of multiple wavelengths. Coatings may be customized to match the specific needs of the application and environment.

We can coat for 905 nm and 1550 nm, which is the next LiDAR laser diode wavelength coming up through development.

Beamsplitter Coatings: Our beamsplitter coatings enable the selection of specific wavelengths for detection while excluding ambient light for improved signal to noise in LiDAR sensors.

Reflectivity of AR coated window with angle
Reflection as a function of angle for an AR coating used in LiDAR; center wavelength 905 nm, polycarbonate substrate.

Field of View: FOV varies widely from one LiDAR system to another. Our AR coating specifications take the design of the detection optics into consideration to ensure high transmission over the full range of angles to be measured. Additional blocking may also be added to exclude ambient light for protection of internal optics or further improvement in signal to noise.

Geometries: We routinely coat windows, spinners, internal lenses, and other optics for LiDAR sensors. We work with flat, curved, and cylindrical substrates, as well as unique and complex shapes. We offer the expertise, fixtures, and processes to provide consistent, high quality coatings on almost any geometry.

Substrates: LiDAR sensor optics may be coated on glass, plastics, or polymer substrates, as well as pigmented materials. We are also experienced in coating single point diamond-turned (SPDT) substrates, and have developed the cleaning processes necessary to ensure good adhesion.