<h2>BP214nm Bandpass Filter | CWL 214nm, FWHM 10nm, OD5</h2>  <p>The OPTOStokes BP214nm optical filter is engineered for demanding deep ultraviolet (DUV) applications that require high spectral select

<h2>BP214nm Bandpass Filter | CWL 214nm, FWHM 10nm, OD5</h2> <p>The OPTOStokes BP214nm optical filter is engineered for demanding deep ultraviolet (DUV) applications that require high spectral select

High-performance 214nm deep UV bandpass filter with FWHM 10nm and OD5 blocking. Ideal for fluorescence spectroscopy. In stock & custom sizes at OPTOStokes.
Products Description

BP214nm Bandpass Filter | CWL 214nm, FWHM 10nm, OD5

The OPTOStokes BP214nm optical filter is engineered for demanding deep ultraviolet (DUV) applications that require high spectral selectivity and deep out-of-band blocking. Utilizing advanced hard-coating technology, this filter delivers reliable performance for optical OEM instruments and research setups. Explore our comprehensive selection of Narrow Bandpass Filters available for rapid prototyping and volume production.

Technical Specifications

Optical and Physical Specifications of 214nm Bandpass Filter
ParameterSpecification
Center Wavelength (CWL)214 ± 2 nm
Full Width at Half Maximum (FWHM)10 ± 2 nm
Peak Transmittance (T)> 12%
Blocking Range & Depth200–1100 nm @ OD5 (T < 0.001%)
Substrate MaterialUV Grade Synthetic Fused Silica
Surface Quality40/20 Scratch-Dig
Clear Aperture> 85% of central diameter

Key Applications

Optimized for the UVC spectral region, the BP214nm filter serves as a critical component across various optical systems:

  • Fluorescence Instrumentation: Ideal for integration into Fluorescence Filter Sets to isolate specific UV excitation lines while blocking background noise.

  • UV Spectroscopy & Gas Analysis: Enables precise baseline detection in spectrophotometers, nitric oxide (NO) sensors, and environmental monitoring equipment.

  • Biomedical & Chemical Testing: Facilitates high-contrast absorbance measurement in laboratory analytical devices.

Customization & Engineering Services

Every optical system presents unique mechanical and spectral requirements. Supported by our mastery in Precision Optical Coating, OPTOStokes provides complete custom manufacturing options for the BP214nm filter series:

  • Custom Geometry: Precision cutting to custom round, square, or complex edge geometries.

  • Optomechanical Mounting: Available unmounted or pre-assembled into anodized aluminum threaded mounts (e.g., M25.5, M27, or custom thread sizes).

  • Spectral Tuning: Custom bandwidths and blocking depths tailored to your optical layout.

Reliable Supply & Technical Support

Balancing tight delivery schedules with strict technical performance is critical for project success. OPTOStokes maintains an extensive in-stock inventory of standard UV optics to eliminate prototyping lead times, while delivering scalable volume manufacturing under strict quality assurance.

Have specific spectral requirements or need custom dimensions? Contact our optical engineering team at sales@optofilters.com to receive detailed technical datasheets, design assistance, or a competitive quote within 24 hours.

Tags: bandpass filter optical coating UV optics 214nm filter OD5