45° ZnSe Beamsplitter for CO2 Laser
CVD ZnSe 85R/15T Beam Splitter | 45° Incidence, 50.8mm Dia × 5mm Thickness
Premium 85R/15T CVD ZnSe beamsplitter, 45 incidence, 50.8mm dia. For CO2 laser systems. Stock & custom, reliable lead times. Email sales@iroptical.com
Product Overview
Engineered for precision infrared beam routing, this CVD ZnSe 85R/15T beam splitter delivers consistent 85% reflectance and 15% transmittance at 45° angle of incidence. Manufactured from high-purity chemical vapor deposition zinc selenide, it offers broadband transmission across the 2–20 µm infrared spectrum, making it a reliable infrared beam splitter for demanding CO2 laser and thermal imaging systems. The 50.8mm diameter and 5mm thickness support standard optical mount compatibility for straightforward integration into existing setups.
Technical Specifications
| Parameter | Value |
|---|---|
| Base Material | CVD Zinc Selenide (ZnSe) |
| Spectral Ratio (45° Incidence) | 85% Reflectance / 15% Transmittance |
| Design Incidence Angle | 45 degrees |
| Outer Diameter | 50.8 mm |
| Substrate Thickness | 5 mm |
| Operating Wavelength Range | 2 – 20 µm (broadband IR) |
| Surface Quality | 40-20 scratch-dig per MIL-PRF-13830B |
| Coating Type | Partial reflective IR coating |
Typical Applications
This ZnSe beamsplitter is optimized for beam control optics scenarios requiring fixed power splitting at 45° incidence. Common use cases include CO2 laser beam power attenuation, red pilot laser alignment integration, FTIR spectroscopy beam routing, thermal imaging system calibration, and industrial laser material processing setups. Its stable spectral performance across temperature fluctuations ensures consistent results in continuous-operation industrial environments.
Customization & Service Support
As part of our extensive catalog of ZnSe optics, this standard 50.8mm beamsplitter is available from stock for fast delivery. For project-specific requirements, we offer full customization including alternative diameters, thicknesses, spectral ratios, incidence angles, and custom coating specifications. Every custom order includes complimentary engineering drawing review before quotation, with ISO 9001-aligned manufacturing processes and reliable, transparent lead times for all production runs.
Request a Quote
For engineering and sourcing teams, inconsistent component quality, unresponsive technical support, and unpredictable lead times can derail project timelines and increase overhead. At iroptical, we eliminate these risks with rigorous pre-shipment inspection, dedicated engineering support for every order, and clear, committed delivery schedules. Whether you need stock units for prototype testing or custom-configured parts for volume production, our team can align with your specification and timeline requirements.
To discuss your application, request a full datasheet, or receive a formal quotation, send your drawing and project details to sales@iroptical.com. A member of our optical engineering team will respond with tailored guidance and pricing within one business day.
Technical Parameters
Detailed specifications are not available for this product yet. Please contact the team for application guidance.