Products Description
DM770 Longpass Dichroic Mirror | R>98% 590–760nm, T>90% 785–1000nm
The OPTOStokes DM770 longpass dichroic beamsplitter is engineered for precision spectral separation in advanced photonic and imaging systems. Featuring exceptional reflection efficiency exceeding 98% across 590 nm to 760 nm and high transmission above 90% in the near-infrared band from 785 nm to 1000 nm, this optical component minimizes signal loss while maximizing signal-to-noise ratio. Manufactured with durable hard dielectric coatings, the DM770 delivers superior thermal stability and high laser damage thresholds for OEM optical integration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | DM770 Dichroic Beamsplitter |
| Reflection Band | 590–760 nm (R > 98%) |
| Transmission Band | 785–1000 nm (T > 90%) |
| Transition Wavelength | 770 nm (Nominal) |
| Coating Technology | Hard Dielectric Thin-Film Coating |
Key Applications
Designed for steep edge transitions and low wavefront distortion, this precision dichroic mirror is widely utilized in high-performance optical setups:
Fluorescence Microscopy: Effectively separates excitation light from NIR emission signals in confocal and multi-photon imaging setups.
Raman Spectroscopy & Sensing: Provides efficient beam splitting to isolate weak Raman scattering from intense pump laser lines.
Biomedical Optical Systems: Enhances signal contrast in multi-spectral optical coherence tomography and flow cytometry instruments.
Customization & Manufacturing Services
OPTOStokes maintains a comprehensive stock of standard precision optical filters for immediate dispatch. For specialized OEM system requirements, we offer custom sizing (circular, rectangular, or complex geometries), beveling, substrate thickness adjustments, and custom threaded mounting cell options with guaranteed lead times.
Technical Support & OEM Inquiries
Selecting the proper dichroic beamsplitter coating is vital to avoiding spectral crosstalk and optimizing optical throughput. Whether you require standard off-the-shelf optics for evaluation or modified specs for volume production, our optics engineering team is ready to assist. Contact our application engineers at sales@optofilters.com or submit an inquiry directly through our site.
Tags: optical filter dichroic mirror thin film coating 770nm dichroic fluorescence microscopy
