Products Description
BP820nm Bandpass Filter | FWHM 50nm, High-Transmission NIR Filter

The OPTOStokes BP820nm bandpass filter is engineered for high-precision near-infrared (NIR) applications. Delivering exceptional peak transmission and deep out-of-band blocking, this interference filter isolates the 820nm wavelength with world-class spectral stability, making it an ideal choice for demanding optical systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Center Wavelength (CWL) | 820 plus or minus 5 nm |
| Full Width at Half Maximum (FWHM) | 50 plus or minus 5 nm |
| Transmission Range | 805 to 835 nm at T greater than 90 percent |
| Blocking Range | 350 to 1100 nm at OD greater than 2 |
| Brand | OPTOStokes |
Key Applications
Optimized for near-infrared industrial cameras, the BP820nm filter significantly enhances signal-to-noise ratios in machine vision, automated optical inspection (AOI), and laser diode clean-up applications. By cutting out ambient light noise from 350nm to 1100nm, it ensures crystal-clear imaging for high-speed industrial sorting and recognition systems.
Customization & Manufacturing Services
At OPTOStokes, we maintain an extensive in-stock selection of optical filters to accelerate your R&D timeline. For specialized system integration, we offer full-service customization for bandpass filters in various form factors, including square, round, and custom irregular shapes, with optional mounted rings. Our world-class quality control guarantees reliable lead times from prototyping to mass production.
Streamline Your Optical Procurement
Balancing technical precision, custom scalability, and rigid delivery schedules can complicate project timelines. OPTOStokes eliminates these bottlenecks with proven manufacturing reliability and expert technical support. Contact our engineering team at sales@optofilters.com to receive a prompt technical review and a competitive quote for standard or custom optical components.
Tags: optical filter OPTOStokes bandpass filter 820nm filter NIR bandpass machine vision filter