Free Space Beam or Optical Fiber Calibration

Our expertise has traditionally been in fiber optic test & calibration. Recently, we have acquired equipment and expertise to traceably calibrate free-space beam test equipment. Power calibration using free space beams can be typcially more accurate that when using fiber optic beams.

  • For free space light source calibration, the light beam should be not more than 3 mm diameter in order to fit onto a 5mm detector 
  • For free space power meter calibration, the detector diameter should be 3 mm or larger
  • For free space attenuator calibration, the device should accommodate a light beam 3 mm diameter

Free space detector being calibrated using a collimated fiber optic beam

Free Sapce Optical Calibration Equipment

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