BP650nm Bandpass Filter | CWL 650nm±3nm, FWHM 50±3nm, 0.21mm Thickness
The OPTOStokes BP650nm is an ultra-thin high-precision bandpass filter optimized for spectral analysis applications. Engineered with advanced thin film coating technology, it provides transmission greater than 90 percent across the 640–660nm range, with a center wavelength of 650nm ±3nm and a full width at half maximum of 50±3nm. This 0.21mm ultra-thin filter delivers exceptional high OD blocking across 350–1100nm with transmission less than 1 percent, ensuring clean signal isolation for high-accuracy analytical instruments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | BP650nm |
| Reference Part Number | 40226315 |
| Transmission Band | 640–660nm, transmission greater than 90 percent |
| Blocking Range | 350–1100nm, transmission less than 1 percent |
| Center Wavelength (CWL) | 650nm ±3nm |
| Full Width at Half Maximum (FWHM) | 50±3nm |
| Angle of Incidence (AOI) | 0 degree |
| Substrate Thickness | 0.21mm |
Applications
This high transmission bandpass filter is specifically engineered for spectrophotometers and other analytical instruments requiring precise spectral selection at 650nm. Its ultra-thin profile and exceptional optical performance make it ideal for:
Spectrophotometers and UV-Vis-NIR spectroscopy systems
Biomedical analysis and clinical diagnostic instruments
Chemical analysis and environmental monitoring equipment
Industrial quality control and material testing
Optical sensing and non-contact measurement devices
Laser systems and light source filtering
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 ultra-thin optical components, inconsistent spectral performance, and lack of specialized technical support for analytical instruments. These issues can compromise measurement accuracy and delay project milestones. At OPTOStokes, we solve these problems with our extensive ready-to-ship inventory, flexible manufacturing capabilities, and dedicated technical support team. Whether you need a single prototype for testing or high-volume production runs, we deliver precision optical components on time, every time.
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.
