BP220 UV Bandpass Filter | CWL 220nm, FWHM 10nm

BP220 UV Bandpass Filter | CWL 220nm, FWHM 10nm

The OPTOStokes BP220 bandpass filter is engineered for deep ultraviolet (DUV) optical systems requiring precise wavelength selection at 220nm. Featuring a narrow Full Width at Half Maximum (FWHM) of 10±2nm and out-of-band rejection exceeding OD3 from 200nm to 1100nm, this precision spectral element effectively isolates target signals while blocking background interference. Whether you are integrating a high-performance bandpass filter into analytical instruments or prototype setups, the BP220 delivers stable optical performance across challenging UV applications.

Technical Specifications

Due to its targeted 220nm transmission peak, the BP220 plays a vital role in specialized spectral analysis and optical detection systems, including:

• Nitrate and organic pollutant monitoring in water quality analysis

• Gas concentration measurement (such as ammonia or sulfur dioxide absorption)

• Deep UV spectroscopy and fluorescence excitation systems

• Precision optical sensors requiring custom optical filters for noise suppression

Customization & Engineering Support

OPTOStokes maintains an extensive selection of standard in-stock optical components for rapid prototyping and deployment. For specialized OEM requirements, we provide comprehensive customization options across shapes (circular, square, or custom geometries) and mounted metal rings. Every UV filter undergoes rigorous quality inspection to ensure consistent batch-to-batch performance and reliable production schedules.

Get Technical Support & Quotes

Unsure if the BP220 fits your optical path design? Facing challenges with out-of-band noise or supply chain delays? Our technical team is ready to assist with spectral data, custom sizing, or volume pricing. Contact OPTOStokes today at sales@optofilters.com or submit an inquiry directly through our site.