40mm CVD ZnSe Stepped IR Windows
CVD ZnSe Stepped Windows | Dia 40mm, 4.0mm Thickness for IR & Laser Systems
40mm CVD ZnSe stepped windows for CO2 laser & IR systems. In-stock & custom options with reliable lead times. Request a quote at sales@iroptical.com.
Product Overview
Engineered for CO2 laser systems and infrared optical assemblies, our CVD ZnSe stepped windows feature a precision stepped profile machined into the surface or edge, creating distinct zones with varying thickness. Fabricated from high-purity CVD zinc selenide, these 40mm diameter, 4.0mm thick windows deliver consistent broadband infrared transmission and robust mechanical stability, making them a reliable complement to standard IR windows in demanding industrial and scientific designs.
Technical Specifications
| Parameter | Specification |
|---|---|
| Diameter | Dia 40mm |
| Thickness | 4.0mm |
| Dimensional Tolerance | ±0.2mm |
| Clear Aperture | >80% to >90% |
| Surface Quality | 80/50 |
| Parallelism | 3 arc minutes |
| Protective Bevel | <0.25 × 45 degrees |
| Step Configuration | Single or multi-step structure; thickness variation from microns to millimeters |
Typical Applications
These precision stepped ZnSe windows serve a wide range of infrared and laser use cases, including:
CO2 laser cutting, engraving, and marking systems
LWIR thermal imaging and multispectral camera assemblies
FTIR spectroscopy and analytical laboratory instrumentation
Industrial laser beam control and shaping setups
OEM optical modules and custom infrared system integration
Customization & Service Support
Beyond our off-the-shelf 40mm stepped windows, we provide comprehensive custom IR optics solutions built to your exact drawing specifications. Our in-house engineering team conducts a full design review for every quotation to validate manufacturability, coating compatibility, and performance targets. All production follows ISO 9001:2015 quality protocols, with pre-shipment inspection to ensure every part meets stated tolerances. We maintain reliable lead times for both stock and custom orders to keep your project on schedule.
Get a Quote or Engineering Consultation
Sourcing high-precision infrared optics often presents avoidable hurdles: inconsistent surface quality, limited technical support during design, and unpredictable lead times that push back project timelines. At iroptical, we combine decades of CVD ZnSe manufacturing expertise with dedicated engineering support to deliver dependable ZnSe optics that match your performance and schedule requirements. Whether you need stock components for rapid prototyping or custom stepped windows for volume production, our team is equipped to support your program.
Submit your drawing, wavelength range, material preferences, and tolerance requirements to sales@iroptical.com to receive a detailed quotation and engineering feedback.
Technical Parameters
Detailed specifications are not available for this product yet. Please contact the team for application guidance.