Retarder Plates*


  • Quartz crystal, oriented

Dimensional details

  • Ø 10 mm, Ø 20 mm, Ø 30 mm, other diameters on request
  • Thickness: 0.5 mm – 1.0 mm, other sizes on request
  • Delay: λ/4, λ/2
  • Wavelength range: 180 – 2,700 nm


  • Tolerance on delay: λ/500 
  • Wavefront deformation: λ/10

Higher precision on request.

* We produce 1st-order and multiple-order retarder plates. Retarder plates can be provided with appropriate non-reflecting coatings.


Hellma Optik GmbH Jena
Mühlenstraße 30
07745 Jena

Phone: +49 3641 310780


Note: Your data will of course be treated confidentially and will not be shared with third parties. You can revoke your consent at any time by clicking on the end of each e-mail.
Required Field