Precision Optical Coatings for CO₂ and Infrared Applications
American Photonics Corporation (APC) designs and manufactures high-performance thin film coatings optimized for CO₂ laser systems and infrared optical applications. Our coatings are engineered for durability, spectral precision, and high laser damage resistance across demanding industrial and scientific environments.
CO₂ Laser Coatings (10.6 µm)
Coatings on Zinc Selenide (ZnSe)
Optimized for CO₂ laser optics, cutting systems, and beam delivery components.
Available Coatings:
- AR at 10.6 µm
- Dual Band AR: 10.6 µm & 633 nm (HeNe)
- Dual Band AR: 10.6 µm & 650 nm (Diode)
- Beam Combiner: 10.6 µm & 633–650 nm
- 50% Beam Splitter at 10.6 µm
- Partial Reflector at 10.6 µm
Applications include laser cutting, marking, medical systems, and beam alignment assemblies.
Coatings on Silicon (Si)
Designed for high-power CO₂ laser mirrors and specialty reflective components.
Available Coatings:
- 0° Phase Shift Mirror at 10.6 µm
- 90° Phase Shift Mirror at 10.6 µm
- Enhanced Silver (10.6 µm & Visible)
Ideal for beam steering, polarization control, and high-reflectivity mirror assemblies.
Infrared (IR) Coatings
APC provides precision IR coatings across a broad range of infrared materials for thermal imaging, sensing, and laser systems.
Available Substrates:
- Germanium (Ge)
- Zinc Selenide (ZnSe)
- Zinc Sulfide (Multispectral ZnS)
- Gallium Arsenide (GaAs)
- Silicon (Si)
- Various metals and optical glass
Coating Types:
- Anti-Reflective (AR / BBAR)
- Dual Band AR (DBAR)
- Total Reflectors (TR)
- Partial Reflectors (PR)
- Dichroics
- Filters
- Polarizers
- Custom multilayer thin film designs
All coatings are optimized for environmental durability and application-specific wavelength performance.
Custom Thin Film Design Capabilities
APC supports custom coating designs to meet unique spectral, angle-of-incidence, polarization, and environmental requirements.
Our engineering team provides:
- Broadband and dual-band designs
- Laser damage optimized coatings
- Phase-controlled mirrors
- Polarization control coatings
- Beam splitting and combining solutions
- Reflective coatings on metals and glass
Contact our engineering team for application-specific consultation.
Coating Code Definitions
Below are commonly used APC coating designations:
| Code | Definition |
|---|---|
| AR | Anti-Reflective |
| BBAR | Broadband Anti-Reflective |
| DBAR | Dual Band Anti-Reflective |
| TR | Total Reflector |
| PR | Partial Reflector |
| BBTR | Broadband Total Reflector |
| BBPR | Broadband Partial Reflector |
| DBTR | Dual Band Total Reflector |
| TBAR | Tuned Broadband Anti-Reflective |
| TBBAR | Tuned Broadband Broadband AR |
| TBPR | Tuned Broadband Partial Reflector |
| TBTR | Tuned Broadband Total Reflector |
| DICH | Dichroic |
| B/S | Beam Splitter |
| IR | Infrared Coating |
| RPR45 / RPR90 | 45° / 90° Reflective Polarizer |
| QBAR | Quarter-Wave Broadband AR |
| TR/IR | Total Reflector for IR |
For full technical specifications, damage thresholds, and performance curves, please contact APC engineering.
