Equipment for quality control of optical elements

  • High precision measurement system for the micro to macro sized aspheric optical surfaces The Form Talysurf PGI 1240 from Taylor Hobson.


  • 200mm Traverse unit with 0.11¼m 200mm straightness
  • 12.5mm Gauge range, 0.2nm vertical resolution
  • 50mm Gauge range possible with special styli
  • Extensive Range of Optional Accessories, including styli for demanding applications

Typical applications:

  • Digital Cameras
  • Mobile phones
  • Diffractive optics
  • IR Sensors
  • Lasers Industries served:
  • Semiconductors
  • Bio-medical
  • Defense
  • Aerospace


  • ZYGO GPI XP/D Phase-shifting interferometer system for non-contact static-fringe measurement of flat or spherical surfaces


  • PKS-250M Polariscope / Polarimeter for determining double refraction in flat blanks and products of transparent and weakly tinted materials.


  • quantitative assessment of double refraction value by Senarmon method with an error of not greater than 10 nm,
  • assessment of double refraction distribution in an object by interference tinting,
  • examining distribution of double refraction in an object with circularly polarized light.
  • large observable field for monitoring of large blanks and products and simultaneous monitoring of a few specimens.