
BP1680-1.0mm Bandpass Filter | CWL 1680nm±5nm, FWHM 260±5nm
The OPTOStokes BP1680-1.0mm is a high-precision bandpass filter optimized for wideband near-infrared spectral applications. Engineered with advanced thin film coating technology, it provides average transmission greater than 90 percent across the 1550–1770nm range, paired with broad optical density greater than 2 blocking from 700nm to 2000nm. This filter is designed for 0 degree angle of incidence, delivering stable and consistent performance for demanding industrial and analytical systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | BP1680-260nm-1.0mm |
| Average Transmission | 1550–1770nm, greater than 90 percent |
| Center Wavelength (CWL) | 1680nm ±5nm |
| Full Width at Half Maximum (FWHM) | 260±5nm |
| Blocking Range & Optical Density | 700–2000nm, optical density greater than 2 |
| Angle of Incidence (AOI) | 0 degree |
| Surface Quality | 60/40 |
| Substrate Thickness | 1.0mm |
Applications
This NIR filter with wide bandwidth is specifically designed for applications requiring broad spectral coverage in the 1680nm region. Its exceptional performance makes it ideal for:
Multi-component simultaneous detection in analytical instruments
Hyperspectral imaging and remote sensing
Plastic sorting and recycling systems
Food and agricultural product quality inspection
Pharmaceutical and chemical analysis
Industrial process monitoring and control
Customization & Service
OPTOStokes offers comprehensive custom optical filter solutions to meet your exact system requirements. We manufacture filters in standard circular, square and custom irregular shapes, with optional precision mounting rings for seamless integration into your optical assemblies. Our extensive in-stock inventory ensures fast shipping for standard specifications, while our advanced manufacturing capabilities deliver custom orders with reliable, predictable lead times. All products are manufactured to world-class quality standards and undergo rigorous 100% optical testing before shipment.
Pain Points & CTA
Technical teams often face critical challenges: long lead times for custom optical components, inconsistent spectral performance, and lack of specialized technical support. These issues can delay project milestones and increase operational costs. At OPTOStokes, we solve these problems with our extensive ready-to-ship inventory, flexible manufacturing capabilities, and dedicated technical support team. Our high transmission filters deliver consistent performance across production runs, ensuring your systems operate at peak efficiency.
For detailed datasheets, volume pricing, or to discuss your specific filter requirements, contact our expert team at [email protected] or submit an inquiry through our website today.