
BP220nm Bandpass Filter | CWL 220nm±3nm, 216-226nm T>90%
The OPTOStokes BP220nm is a high-precision bandpass filter optimized for deep ultraviolet water quality detection applications. Engineered with advanced thin film coating technology, it provides transmission greater than 90 percent across the 216–226nm deep UV range, while delivering exceptional high OD blocking across the 325–1100nm spectrum with transmission less than 1 percent. This 0.7mm thick filter ensures clean UV signal isolation and superior signal-to-noise ratio for sensitive analytical systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Band Pass 220 |
| Center Wavelength (CWL) | 220nm ±3nm |
| Transmission Band | 216–226nm, transmission greater than 90 percent |
| Blocking Range | 325–1100nm, transmission less than 1 percent |
| Substrate Thickness | 0.7mm |
Applications
This high transmission deep UV bandpass filter is specifically engineered for applications requiring precise spectral selection in the 220nm wavelength range, which is critical for detecting organic contaminants in water. Its exceptional optical performance makes it ideal for:
Water quality monitoring and organic contaminant detection
Environmental analysis and wastewater treatment monitoring
UV spectroscopic analysis and analytical instruments
Drinking water safety testing and quality control
Industrial process monitoring and chemical analysis
Biological and pharmaceutical UV detection systems
Customization & Service
OPTOStokes offers comprehensive custom optical filter solutions to meet your exact system requirements. We manufacture deep UV bandpass 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 in environmental and analytical industries often face critical challenges: low UV transmission efficiency, inconsistent blocking performance across broadband spectra, and long lead times for custom deep UV components. These issues can compromise detection sensitivity and delay project milestones. At OPTOStokes, we solve these problems with our extensive ready-to-ship inventory, advanced UV coating technology, 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.