Waveplate – Quarter wave discs

  • Category:
    Optical windows
  • Description:
    Zero order quarter wave disc - non mounted
  • Manufacturing Process:
    Grindind - polishing - coating
  • Material:
    Quartz crystal

Quartz crystal disc diameter 25.4mm

Pseudo zero order using two glued multi order discs, total thickness 0.8mm

Polishing S/D:20-10

Wavefront aberration:λ/8@632.8nm

Parallelism:<5″

Effective aperture: >90%

Phase retardation:λ/4±λ/500@780nm

AR: R<0.25%@780±20nm