4” Zero Order Waveplates – 101.6 mm

  • Laser quality crystal quartz
  • Air Spaced for High Power
  • Clear Aperture of 96mm
  • Mounted or Unmounted
  • Retardations of 1/2 and 1/4 Wave
  • AR Coated
  • All wavelengths custom
  • Rugged 4.5” Mounting Ring

Product Description

Tower Optical is now offering zero order waveplates at 101.6 mm diameter. These waveplates are air spaced, thus providing operation at higher power levels than contacted or cemented waveplates.
These large waveplates are available with ¼- and ½-wave retardation. You can custom order the wavelength you desire from 355 nm to 2021 nm.

The mounting ring for the four-inch zero order waveplate is made of heavy duty aluminum, 4.5-inch diameter and 7/8-inch thick to protect the dual plate crystal quartz waveplate assembly. The optic axis is shown by a scribe mark on the face of the ring. The waveplate is held in place with a retaining ring. Custom designed rings are also available, or the 4” waveplate can be supplied unmounted.

Waveplate Specifications

Material:Crystal Quartz – Laser quality

Waveplate Thickness Range: 4.0 to 10mm
Wavefront Distortion: λ /10 @ 632.8nm
Surface Quality: 20-10 Scratch/Dig
Parallelism (Wedge): 0.5 arc seconds
Wavelengths: Specify from 355 nm to 2021 nm
Retardation Tolerance: ±0.005 waves @ 632.8nm
Coating: Anti reflective, R<0.25% per surface IBS Low R for higher power optional
Damage Threshold: 1kW/cm2 – CW3.5 J/cm2 @10ns
Diameter: 101.6, +0.0/-0.25 mm unmounted;
114.3, +0.00/-0.25 mm mounted
Mounted Thickness: 24mm

Ordering (Standard)

Z-101.6-A-Ret-J/U-Wavelength(3 or 4 digits nm)
Ret=.250 or .500; J=4.5” mount, U=unmounted
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