BI SERIES NARROW BANDWIDTH INTERFERENCE BANDPASS FILTERS
Bi Series are popular for life science and laser analysis applications where only discrete wavelengths need to be passed to maximize system performance.
- 20-35nm FWHM; Narrow bandwidth
- High transmission ≥85%
- Designed for use with laser diodes
- Ideal wavelength separation when multiple light sources of similar wavelengths are present
- Reflective, mirror-type surface that helps minimize thermal effects
Bi350 - Near UV Interference Bandpass
Specifications
Useful Range: 344nm - 358nm
FWHM: 20nm
Tolerance: +/- 5nm
Peak Transmission: >70%
Surface Quality: 40/20
Thickness: 1mm
Bi385 - Near UV Interference Bandpass
Specifications
Useful Range: 370nm - 390nm
FWHM: 25nm
Tolerance: +/- 5nm
Peak Transmission: >90%
Surface Quality: 40/20
Thickness: 1mm
Bi405 - Near UV Bandpass
Specifications
Useful Range: 400nm - 415nm
FWHM: 30nm
Tolerance: +/- 5nm
Peak Transmission: ≥85%
Surface Quality: 40/20
Thickness: ≤3mm
Bi450 - Blue Interference Bandpass
Specifications
Useful Range: 445nm - 465nm
FWHM: 35nm
Tolerance: +/- 5nm
Peak Transmission: ≥88%
Surface Quality: 40/20
Thickness: ≤3mm
Bi520 - Light Green Interference Bandpass
Specifications
Useful Range: 515nm - 525nm
FWHM: 25nm
Tolerance: +/- 5nm
Peak Transmission: ≥88%
Surface Quality: 40/20
Thickness: ≤3mm
Bi525 - Light Green Interference Bandpass
Specifications
Useful Range:
FWHM:
Tolerance:
Peak Transmission:
Surface Quality:
Thickness:
Bi550 Bandpass Filters - Green Interference Bandpass
Specifications
Useful Range: 535nm - 558nm
FWHM: 33nm
Tolerance: +/- 5nm
Peak Transmission: ≥88%
Surface Quality: 40/20
Thickness: ≤3mm
Bi615 - Amber Interference Bandpass
Specifications
Useful Range: 605nm - 620nm
FWHM: 23nm
Tolerance: +/- 5nm
Peak Transmission: >90%
Surface Quality: 40/20
Thickness: 1mm | 2mm
Bi632 - Light Red Interference Bandpass
Specifications
Useful Range: 625nm - 640nm
FWHM: 28nm
Tolerance: +/-5nm
Peak Transmission: ≥88%
Surface Quality: 40/20
Thickness: ≤3mm
Bi650 - Red Interference Bandpass
Specifications
Useful Range: 643nm - 665nm
FWHM: 30nm
Tolerance: +/-5nm
Peak Transmission: ≥85%
Surface Quality: 40/20
Thickness: ≤3mm
Bi660 - Dark Red Interference Bandpass
Specifications
Useful Range: 650nm - 665nm
FWHM: 28nm
Tolerance: +/- 5nm
Peak Transmission: ≥88%
Surface Quality: 40/20
Thickness: ≤3mm
Bi685 - Dark Red Interference Bandpass
Specifications
Useful Range: 675nm - 692nm
FWHM: 25nm
Tolerance: +/- 5nm
Peak Transmission: ≥90%
Surface Quality: 40/20
Thickness: ≤3mm
Bi725 - Red Edge Bandpass
Specifications
Useful Range: 717nm - 732nm
FWHM: 25nm
Tolerance: +/- 5nm
Peak Transmission: ≥90%
Surface Quality: 40/20
Thickness: ≤3mm
Bi750 - NIR Interference Bandpass
Specifications
Useful Range: 740nm - 765nm
FWHM: 30nm
Tolerance: +/- 5nm
Peak Transmission: >90%
Surface Quality: 40/20
Thickness: 0.7mm | 1mm
Bi780 - (Limited) NIR Interference Bandpass
Specifications
Useful Range: 765nm - 795nm
FWHM: 35nm
Tolerance: +/- 5nm
Peak Transmission: ≥90%
Surface Quality: 40/20
Thickness: 1mm
Bi808 - NIR Interference Bandpass
Specifications
Useful Range: 798nm - 820nm
FWHM: 35nm
Tolerance: +/- 5nm
Peak Transmission: ≥85%
Surface Quality: 40/20
Thickness: ≤3mm
Bi830 - NIR Interference Bandpass
Specifications
Useful Range: 810nm - 850nm
FWHM: 50nm
Tolerance: +/- 5nm
Peak Transmission: ≥90%
Surface Quality: 40/20
Thickness: 1mm
Bi832 - NIR Interference Bandpass
Specifications
Useful Range: 822nm - 846nm
FWHM: 40nm
Tolerance: +/- 5nm
Peak Transmission: ≥90%
Surface Quality: 40/20
Thickness: 1mm
Bi880 - (Limited) NIR Interference Bandpass
Specifications
Useful Range: 870nm - 890nm
FWHM: 30nm
Tolerance: +/- 5nm
Peak Transmission: ≥85%
Surface Quality: 40/20
Thickness: 1mm
Bi905 - NIR Interference Bandpass
Specifications
Useful Range: 895nm - 915nm
FWHM: 30nm
Tolerance: +/- 5nm
Peak Transmission: ≥88%
Surface Quality: 40/20
Thickness: ≤3mm
Bi940 - NIR Interference Bandpass
Specifications
Useful Range: 930nm - 952nm
FWHM: 930-952nm
Tolerance: +/- 5nm
Peak Transmission: >85%
Surface Quality: 40/20
Thickness: 1mm
Bi1300 - SWIR Bandpass
Specifications
Useful Range: 1290nm - 1310nm
FWHM: 35nm
Tolerance: +/-10nm
Peak Transmission: ≥90%
Surface Quality: 40/20
Thickness: ≤3mm
Bi1450 - SWIR Bandpass
Specifications
Useful Range: 1440nm - 1460nm
FWHM: 35nm
Tolerance: +/-10nm
Peak Transmission: ≥90%
Surface Quality: 40/20
Thickness: 1mm
Bi1550 - SWIR Bandpass
Specifications
Useful Range: 1540-1560nm
FWHM: 35nm
Tolerance: +/-10nm
Peak Transmission: >90%
Surface Quality: 40/20
Thickness: ≤3mm