Quasi Zero Order Crystal Quartz Waveplates

Material

Quartz, single crystal

Usable Wavelength Range

193 nm 2000 nm

Retardation

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

Retardation Tolerance

/200 - /500 at design wavelength

Dimensions (round and square)

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

Thickness

1.0 2.0 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/cm

Damage Threshold, cw
@ VIS NIR

1 MW/cm

Homogeneity of Retardation
over Aperture (typ. 25 mm)

/500

Temperature Dependence of
Retardation per C

negligible