Multiple Order Crystal Quartz Waveplates

Material

Quartz, single crystal

Usable Wavelength Range

193 nm – 2000 nm

Retardation

λ/4, λ/2, λ/8 (other values on request)

Retardation Tolerance

λ/200 - λ/500 at design wavelength

Dimensions (round and square)

2 mm - 50 mm (>50 mm on request)

Thickness

0.5 – 1.0 mm typ. (can be specified)

Parallelism

< 1 arcsec

Surface Quality

10-5 scratch-dig 

Typical Absorption

negligible

Damage Threshold, pulsed
@ 1064nm, 10-20 ns

10 J/cm²

Damage Threshold, cw
@ VIS – NIR

10 MW/cm²

Homogeneity of Retardation
over Aperture (typ. 25 mm)

λ/500

Temperature Dependence of
Retardation per °C

0.3% typ. (for 1 mm thickness and center of VIS