Products Description
650nm & 1064nm Dichroic Mirror | 45° AOI, High Transmission & Reflection

The OPTOStokes 650nm & 1064nm dichroic mirror is a precision wavelength-selective optic designed for 45-degree angle of incidence operation. It delivers targeted transmission at two key wavelengths, paired with strong broadband reflection across the visible spectrum. Engineered for stable performance in demanding optical assemblies, this component enables precise beam combining and splitting for industrial laser setups. As part of our comprehensive in-stock dichroic mirrors portfolio, it combines world-class coating precision with reliable lead times to support both prototype development and volume production runs.
Technical Specifications
| Parameter | Specification |
|---|---|
| Transmission Wavelengths | 650nm, 1064nm |
| Peak Transmission | 650nm greater than 90%; 1064nm greater than 97% |
| Reflection Band | 400nm to 580nm |
| Average Reflection | Greater than 95% |
| Angle of Incidence (AOI) | 45 degrees |
Primary Applications
This dual-band dichroic mirror is primarily optimized for laser marking systems, where it facilitates precise multi-wavelength beam combining and spectral separation for high-precision processing setups. It is also widely deployed in laser systems including laser engraving equipment, laser processing machines, and optical measurement platforms. Its consistent spectral response at 45-degree incidence ensures stable beam quality for continuous industrial operation.
Customization & Service Support
OPTOStokes provides full customization options to match your specific system integration requirements. Available form factors include circular, square, and custom irregular shapes, with optional mounting rings for seamless assembly into optical housings. All components are fabricated using precision thin film coating technology to ensure consistent batch-to-batch spectral performance and long-term durability. We maintain an extensive in-stock selection of standard dichroic optics for fast turnaround, and our in-house engineering team supports fully custom spectral designs with reliable, transparent lead times and guaranteed quality compliance. Every mirror undergoes rigorous spectral testing before shipment to verify adherence to stated specifications.
Expert Support & Inquiry
For engineering and procurement teams developing laser marking and processing equipment, sourcing high-performance dichroic mirrors with consistent coating quality and predictable delivery can present significant project challenges. Long custom lead times, uneven spectral performance across batches, and limited technical support can delay product development and increase production costs. At OPTOStokes, we address these pain points directly through our combination of world-class manufacturing precision, extensive ready-to-ship inventory, and dedicated technical support. Whether you require standard off-the-shelf units or fully custom spectral designs tailored to your laser application, our team delivers clear communication and dependable execution for every order.
To discuss your specific project requirements, request a detailed datasheet, or receive a formal quote, contact our optical specialists at sales@optofilters.com or submit an inquiry through our website. We provide responsive technical support and custom solution design to support your work from initial prototype through full-scale production.
Tags: dichroic mirrors high transmission laser systems thin film coating optical coatings