Optical Bandpass Filter
Find bandpass filters by wavelength, bandwidth, or application.
800+ filters in stock. Custom sizes and coatings available.
Popular: 780nm / 808nm / 850nm / 905nm / 940nm / 980nm / 1064nm
Explore
By Wavelength
UV Bandpass Filters
200–400nm
For ultraviolet wavelength selection in UV detection, spectroscopy, and optical measurement.
VIS Bandpass Filters
400–700nm
For visible wavelength selection in imaging, fluorescence, inspection, and optical measurement.
NIR Bandpass Filters
700–1100nm
For near-infrared sensing, machine vision, laser detection, and optical systems.
SWIR Bandpass Filters
1100–2500nm
For extended infrared wavelength selection and optical sensing applications.
Explore
By BandWidth
1-5nm FWHM
For narrow spectral isolation where high selectivity is required.
Laser-line cleanup, spectroscopy, narrow wavelength detection.
10nm FWHM
A common choice for laser, fluorescence, sensing, and optical measurement.
532nm, 650nm, 850nm, 940nm, and other common wavelength filters.
11-39nm FWHM
Balanced bandwidth for selectivity and signal throughput.
Machine vision, fluorescence emission, LED-based inspection.
40nm+ FWHM
For broader passbands where higher signal collection is more important than narrow isolation.
Broadband illumination, imaging, and low-light optical systems.
Applications
Find bandpass filters for common optical systems, inspection setups, and measurement applications.
Machine Vision
Improve image contrast by isolating LED or laser illumination wavelengths.
Fluorescence
Select excitation or emission wavelength bands for fluorescence imaging and detection.
Laser Systems
Isolate common laser wavelengths and reduce unwanted background light.
Spectroscopy
Select narrow wavelength bands for optical measurement and spectral analysis.
Need a Non Standard Bandpass Filter?
Custom CWL, FWHM, blocking range, size, thickness, and mounting options are available for optical systems and OEM integration.