Diamond-Like Carbon (DLC) Coatings
Advanced protection for infrared optics
Military-Grade Durability Meets Optical Excellence
Andover's Diamond-Like Carbon coatings deliver unmatched environmental durability while maintaining superior optical performance across the infrared spectrum. With options spanning 2-14μm and multiple substrate choices, our DLC solutions protect and enhance critical IR optical systems.
- Wavelength Range 8.0 - 12.0 μm
- Transmission >91% average
- Surface Reduction 36% to <1% per surface
- Environmental Military-grade qualification
Maximum Durability
Thermal Imaging
DLC on Silicon
- Wavelength Range 3.0 - 5.0 μm
- Surface Reduction 36% to <1% per surface
- Temperature Range -192°C to +500°C
- Environmental Industrial qualification
High Durability
MWIR Optimized
Custom DLC Solution
- Wavelength Range 2.0 - 14.0 μm
- Substrate Options Germanium, Silicon, Custom
- Environmental Application-specific qualification
- Design Custom optimization available
Flexible Specifications
Application-Specific
Frequently Asked Questions
From Prototype to Production
Custom Fabrication and High-Volume Manufacturing
Quality isn't just a metric
- it's our foundation.
Andover Insights & Innovations
Discovering new possibilities in optical filtering

BEAM Spotlight Series: Dave Litwinovich — Three Decades of Engineering Excellence
As part of our BEAM Spotlight Series (BEAM: Engineering), we’re proud to highlight the people behind the precision—those who quietly push boundaries and build the systems that keep Andover Corporation moving forward. Few embody that spirit more than Dave Litwinovich, our Vice President of Technology, who has spent nearly three decades transforming not just our engineering department, but the entire foundation of our production capabilities.
Contact Our Team
Ready to discuss your optical needs? Whether you're looking for a quote or have technical questions, our expert team is here to help guide you to the perfect solution.