Products Description
638nm Laser Dichroic Beam Splitter Filter | 638±10nm, AOI 45°

Designed for precision laser systems and multi-wavelength optical routing, the OPTOStokes high-performance dichroic filter delivers exceptional spectral selectivity. Featuring advanced thin-film coatings on a 1.1mm substrate, this filter ensures high transmission efficiency at 638nm while providing robust reflection across the 520-530nm band at a 45-degree angle of incidence.
Technical Specifications
| Parameter | Specification |
|---|---|
| Transmission Band | 638 ± 10 nm (T > 95%) |
| Reflection Band | 520 - 530 ± 10 nm (R > 97%) |
| Angle of Incidence (AOI) | 45° |
| Substrate Thickness | 1.1 mm |
| Surface Quality | 10-5 Scratch-Dig |
Applications
Engineered for complex optical architectures, this optical filter excels in demanding deployment environments. Typical application scenarios include:
Laser Beam Combining: Integrating multiple laser sources for display and biomedical instrumentation.
Fluorescence Imaging Systems: Enhancing contrast and spectral separation in laser optics setups.
Machine Vision & Optical Sensors: Precise wavelength isolation and signal routing.
Customization & Service
Standard dimensions often require adaptation for specialized enclosures. OPTOStokes provides comprehensive manufacturing support for custom square, circular, and irregular geometries, along with precision mounting ring options. Backed by extensive in-stock inventories and rigorous quality inspection, we guarantee reliable lead times and world-class precision for every shipment.
Engineering Support & Procurement
Navigating strict optical tolerances and tight project schedules requires a dependable manufacturing partner. Eliminate compromises in spectral performance and delivery timelines. Contact our engineering team at sales@optofilters.com to discuss your custom dimensions, coating specifications, or bulk procurement requirements today.
Tags: optical filter laser optics beam splitter laser filter dichroic mirror custom optics 638nm filter