Product Description
BP680nm Bandpass Filter | FWHM 25nm, 1.0mm Thickness
The OPTOStokes BP680nm Bandpass Filter provides precise wavelength control and superior transmission for advanced imaging and fluorescence detection systems. With an average transmission above 90% between 675–685nm and excellent blocking performance (<1%) from 350–1100nm, it ensures accurate signal separation and outstanding optical contrast.
Technical Specifications
| Center Wavelength (CWL) | 680 ± 3 nm @ T>90% |
| Full Width at Half Maximum (FWHM) | 25 ± 3 nm |
| Transmission Range | 675 – 685 nm @ T>90% |
| Blocking Range | 350 – 1100 nm @ T<1% |
| Angle of Incidence (AOI) | 0° |
| Dimensions | 57 × 57 × 1.0 mm |
Applications
This 680nm bandpass filter is ideal for fluorescence imaging, red emission detection, biomedical analysis, and spectral separation in optical instruments. It enables high signal-to-noise performance for applications requiring stable transmission around the red spectral region.
Customization & Service
OPTOStokes offers customizable shapes including round, square, and irregular geometries, with optional mounts for easy system integration. Our advanced coating technology ensures uniform performance across large areas, while extensive in-stock inventory supports rapid fulfillment and consistent quality.
Pain Points & Contact
For engineers seeking precise wavelength alignment, deep blocking, or faster delivery, OPTOStokes provides expert support and reliable manufacturing solutions. Contact our optical specialists at sales@optofilters.com or visit www.optofilters.com to find the best optical filter for your system.
