Meller Optics

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Custom Sapphire Optical Windows, Domes & Lenses for Drones, ROVs & Gimbal Imaging Systems United States of America
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Meller Optics

Custom Sapphire Optical Windows, Domes & Lenses for Drones, ROVs & Gimbal Imaging Systems

Meller Optics is a leading manufacturer of high-precision custom optical windows, domes and lenses for UAVs (unmanned aerial vehicles), ROVs (remotely operated vehicles), AUVs (autonomous underwater vehicles) and robotic systems.

With over 100 years of experience, we are at the forefront of custom optical fabrication, providing high-quality and precisely-machined sapphire optics and rugged lenses for critical applications and extreme environments.

custom optical components

Custom & OEM Capabilities

Customized sapphire optics fabrication

We provide custom-fabricated precision optics for drone, unmanned systems and robotics OEMs, tailoring components to your unique requirements. We manufacture rugged lenses and optical components from sapphire, as well as high-strength optical ceramics such as Spinel and Alon.

Our in-house capabilities and expertise includes:

  • 5-axis CNC machining
  • Surface grinding
  • Double and single side polishing
  • X-ray crystal analysis
  • Interferometric measurement
  • Surface roughness analysis

precision optics

Meller Optics is ISO 2001:2015 certified and ITAR & DFARS compliant.

More information: Custom Optical Components >

Sapphire Windows

Custom sapphire optical windows for ROV & drones

sapphire optical windowsOur sapphire optical windows rank 9 on the Mohs scale, giving them a hardness that is second only to diamond. Providing robust protection against fast moving dirt, sand, and saltwater, they can be enhanced with multi-spectral anti-reflective coatings that meet salt fog requirements.

The custom optical windows are available in three quality grades – Standard, Superior and High-Precision – to suit a variety of needs. Diameter, thickness and orientation can be customized to your specifications.

More information: Sapphire Optical Windows >

Sapphire Domes

Optical domes for drone gimbals, ROVs & underwater cameras

sapphire domesOur tough high-precision sapphire domes can be provided with diameters of up to 100 mm and included viewing angles of up to 180 degrees. Manufactured on a highly repeatable 5-axis spherical machining center, they feature wall thickness variation of less than 25 microns and other dimensional tolerances of down to +/-10 microns.

Domes can also be manufactured from other materials upon request, including quartz, optical glass, silicon, zinc sulfide, germanium, Spinel and Alon.

More information: Sapphire Domes >

Sapphire Lenses

Rugged lenses for drone cameras, gimbals, thermal imaging & deep water applications

sapphire lensesOur optical-grade monocrystalline sapphire lenses are ideal for imaging and focusing, IR laser beamsteering and chemical and erosion-resistant applications. They feature diameter tolerances of +/- 0.25 mm and thickness tolerances of +/- 0.20 mm.

Available in positive and negative configurations, the ruggedized lenses can be manufactured to custom diameter and focal length requirements, and can be provided with anti-reflection and other thin film coatings.

More information: Sapphire Lenses >

Applications

Drone lenses

Rugged Lenses & Optics for Drones & UAVs

Our precision sapphire optics are ideal for front surface optics in both commercial and military drone and UAV platforms.

They can provide visual and thermal imaging sensors, gimbals and other payloads with robust protection against harsh environmental conditions including chemicals, erosion, dirt and sand, and extremes of temperature and pressure.

Deep Water Lenses and ROV Windows

Custom Optical Windows, Lenses & Domes for ROV, UUV, AUV

Our rugged lenses, windows and domes are ideal for underwater cameras and sensors, and provide the resilience required by UUVs (unmanned underwater vehicles), ROVs (remotely operated vehicles) and AUVs (autonomous underwater vehicles) working in challenging deepwater environments. Able to withstand fast-moving particles and sand as well as pressures up to 10,000 psi, they are also highly algae-resistant thanks to their extremely smooth surfaces.

Products

Sapphire Optical Windows

Custom optical windows for drones, AUVs & ROVs

Sapphire Domes

Optical domes for drone & ROV cameras & sensors

Sapphire Lenses

Rugged lenses for drone & deep water applications

Articles

Latest
Meller Sapphire Optics Enhance Vision System Durability in Harsh Drone Environments

Meller Optics’ precision-engineered sapphire lenses, windows, and domes enhance UAV vision systems with impressive durability, optical clarity, and resistance to extreme environmental conditions

Apr 02, 2025
Custom Sapphire Windows for Drones by Meller Optics

Meller Optics introduces custom sapphire windows for drones, offering superior protection for cameras and sensors in harsh environments with exceptional durability and optical clarity

Mar 11, 2025
Enhanced Protection for Sensors with Custom Sapphire Optics

Meller Optics offers custom-manufactured sapphire optics designed to safeguard cameras and sensors from the abrasive effects of blowing sand, harsh chemicals, and more

Feb 26, 2025
Sapphire Optics for Drones Feature Many Vision System Lens Variations

This article discusses Meller Optics' custom sapphire optics for drones, offering impressive durability and clarity for demanding commercial and military applications like infrastructure inspections and surveillance in harsh environments

Jan 22, 2025
Sapphire Windows Ideally Suited for Gimbaled Systems

Meller Optics Sapphire Windows feature Moh 9 hardness, can withstand pressures to 10,000 psi, and are available in sizes from 0.25" to 10.00" diameter

Dec 18, 2024
New Custom Sapphire Lenses and Windows to Protect Drone Vision Systems and Sensors

Meller Optics has introduced custom sapphire lenses designed for the protection of Autonomous Underwater Vehicles (AUVs) in harsh operational conditions

Dec 13, 2024
Product Spotlight: Sapphire Optical Domes for Extended Viewing Angles

Meller Optics discusses custom sapphire optical domes to extend the vision system viewing angle in unmanned systems

Nov 08, 2024
New Windows for Deep-Sea Surveillance UUVs Released

Meller Optics has unveiled its custom made sapphire windows for AUVs and UUVs, featuring Mohs 9 hardness to withstand fast moving particles and deep water pressure to 10,000 psi

Aug 12, 2024
Meller Optics Introduces Flat Sapphire Windows Suited for Commercial Aircraft & Drones

Meller Optics' Flat Sapphire Windows are also suitable for use in military weapons systems and can withstand fast moving dirt, sand, water, and most chemicals

Mar 14, 2024
Sapphire Windows Suited for Aerospace Applications Introduced by Meller Optics

Ideal for aerospace applications Sapphire Windows by Meller Optics are suitable for providing front surface optics protection in guidance and vision systems

Dec 14, 2023
Meller Optics Introduces Flat Sapphire Windows for Hypersonic Aircraft & Weapons

Flat Sapphire Windows by Meller Optics feature Mohs 9 hardness, can withstand temperatures up to 1,000ºC, pressures to 10,000 psi, and are chemically inert, impervious to water, and extremely abrasion resistant

Jul 30, 2023
New Custom Sapphire Optics Feature Special Profiles & Polished Radii

Manufactured to OEM specifications, Meller Custom Sapphire Optics can meet ±0.002” tolerances on special features, depending upon configuration

Jun 28, 2023
Properties & Applications of Sapphire as an Optical Material

Meller Optics, manufacturer of high-precision custom optical windows, domes, and lenses, has released a whitepaper focusing on sapphire and how...

May 24, 2023
New Custom Sapphire Windows & Domes for High-Pressure AUV Applications

Meller Sapphire Windows and Domes feature Mohs 9 hardness which is second only to diamond, is capable of withstanding pressures to 10,000 psi, and provides a smooth, flat surface to help prevent algae growth

Mar 17, 2023
Custom Optical Windows, Domes & Lenses for Drones & ROVs

Meller Optics' precisely-machined components are ideal for critical applications and extreme environments

Feb 24, 2023
New Spinel and ALON Optics for UAVs

The optics are transparent in spectral regions where glass is opaque and offer excellent transmission in the UV through MWIR range

Dec 19, 2022
Sapphire Windows Designed to Protect Drone Vision Systems

Meller Optics, Inc. has announced the introduction of custom fabricated sapphire windows for unmanned aerial vehicles (UAVs) exposed to chemicals,...

Jul 25, 2018
Meller Introduces Custom Optics for Small UAVs

Meller Optics, Inc., a provider of high quality optics for the defense market, has introduced custom fabricated UAV optics for...

Jul 22, 2015
Meller Introduces Optics for Gimbaled Systems and Outboard Protection on Unmanned Vehicles

Meller Optics, Inc. of Providence, Rhode Island, has announced availability of custom fabricated sapphire, germanium, and zinc selenide optics for...

Apr 24, 2014
Regional Offices & Locations
Meller Optics, Inc. United States of America 120 Corliss Street, Providence, RI 02904 +1-800-821-0180 Contact Website
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