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Optical Filters

Angstrom Precision Optics offers a range of filter types and materials to block or allow specific wavelengths, including:

  • IR filters
  • UV filters
  • Neutral density (ND) filters
  • Dichroic filters
  • Colored glass filters

 

Key Capabilities

  • Size: < 330mm diameter
  • Flatness: < 1/30 wave at 632nm
  • Parallelism: < 0.5 arc sec
  • Surface Cosmetics: < 5-2 SD
  • Surface Roughness: < 5 Å
  • Minimum Thickness: 0.2mm
  • Maximum Diagonal: 480mm
  • Minimum Diagonal: 1mm

Applications

  • Microscopy
  • Biohazard testing
  • Blood analyzers
  • Particle measurement systems
  • Thermal imaging
  • Defense systems
  • IR photography