Bandpass Filters for Solar-Blind Ultraviolet (UV) Imaging

Bandpass filters for solar-blind ultraviolet (UV) imaging are designed to transmit deep ultraviolet (UVC) bands—typically between 240nm and 280nm—while reducing unwanted out-of-band light and solar background noise. Because the ozone layer absorbs natural solar radiation in this spectral range, these filters allow sensors to detect weak, localized UV emissions in full daylight without interference from the sun.

Applications:

  • High-voltage power line inspection for detecting corona discharge in daylight conditions
  • Fire detection and early warning systems for identifying open flames
  • Defense and aviation warning systems for missile plume detection

Bandwidth options:

  • 10nm to 15nm FWHM for tight solar-blind target signal isolation and maximum ambient background noise reduction in UV imaging systems

Select the bandwidth based on the UV source spectrum, target signal, detector sensitivity, blocking range, and required signal level.
Bandpass Filters for Solar-Blind Ultraviolet (UV) Imaging
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Filters

5 items
Center Wavelength (nm)
FWHM (nm)
Optical Density(OD)

Filter

Center Wavelength (nm)
FWHM (nm)
Optical Density(OD)

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