Laser Line Filter

Key Features

  • Ultrahigh peak transmission T >90%
  • Excellent blocking (OD>5.0) from ±1% of laser wavelength
  • Narrow bandwidth typical FWHM is <0.38% of laser wavelength
  • Hard boating and no adhesives for longer life span for filters
  • Dielectric coated with IBS technology



  • Laser-based fluorescence Instrumentation
  • Raman spectroscopy, and analytical and medical laser systems


Standard Specifications

  • FWHM, Typical: 0.38% of λc
  • Peak Transmittance : >90%
  • Angle of Incidence: 0.0°±2.0°
  • Diameter Tolerance: +0/-0.1mm
  • Thickness: 3.5mm
  • Surface: 60/40
  • Beam Deviation: < 11 arc sec.
  • Operating Temperature: -45°C~85°C
  • Environmental Durability: MIL-STD-810F
  • Substrate: Low Fluorescence BK7 or Equivalent
  • FWHM, Maximum: 0.7% of λc
  • Blocking: OD>5.0 from λc±1.0% OD>6.0 from λc±1.5%
  • Diameter: Ф12 .5mm or Ф25.0mm
  • Diameter: Ф25.0mm
  • Thickness Tolerance: ±0.1mm
  • Clear Aperture: >80%
  • Transmitted Wavefront: 1/4 λRMS@633nm per inch
  • Temperature Dependence: <5ppmr/°C
  • Physical Durability: MIL-C-48497A
  • Mounting: Black-anodized Aluminum Ring (Optional)


Laser wavelength(λc) (nm)Peak TransmissionTypical Bandwidth(nm)Blocking Range(λc±1.0%) (nm)
441.6>90%1.7381-437nm and 446-551nm
457.9>90%1.7393-453nm and 462-576nm
488.0>90%1.9415-483nm and 493-625nm
514.5>90%2.0434-509nm and 519-669nm
532.0>90%2.0446-526nm and 537-700nm
543.5>90%2.1454-538nm and 548-719nm
551.0>90%2.1466-555nm and 566-750nm
568.2>90%2.2471-562nm and 574-763nm
632.8>90%2.4515-626nm and 639-885nm
647.1>90%2.5525-640nm and 653-912nm
780.0>90%3.0609-772nm and 787-1201nm
785.0>90%3.0612-777nm and 793-1213nm
808.0>90%3.1625-799nm and 816-1269nm
830.0>90%3.2639-812nm and 838-1324nm
976.0>90%3.7722-966nm and 985-1325nm
980.0>90%3.7724-970nm and 989-1332nm
1047.1>90%4.0963-1036nm and 1057-1398nm
1064.0>90%4.0978-1053nm and 1074-1428nm


 Build Your Own Lens

 Request For Quote

 Contact Us