Difrotec D7 is a high accuracy industrial point diffraction interferometer
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Optatec 2018



Interferometer D7
World record angstrom scale accuracy
  • Absolute accuracy
 λ/1000 (0.6 nm)
  • Numerical aperture
 0.55 (f# 0.91)
  • Repeatability (simple RMS)
 < 0.06 nm
  •  Wavelength
 632.8nm
test your optics with difrotec D7

Services
Test & Fabrication
  • Testing spherical, flat, asphere & freeforms
  • Testing transmitted wavefront of optical systems
  • Curvature radius measurements
  • Optical design & fabrication

Find Difrotec on Photonics buyers' Guide
  • Phone: +372 590 16617
  • E-mail: difrotec[at]difrotec.com

    Address: Teaduspargi 13, 50411 Tartu, Estonia, EU