Dual Wavelength Waveplates, FOCtek

Dual Wavelengths Waveplate

Dual wavelength waveplate is a multiple waveplate that provide a specitfic retardance at two different wavelengths, it's particularly useful when used in conjunction with other polarization sensitive components to separate coaxial laser beams of different wavelength.

Specifications:

Material: -----------------------------------------------Optical Grade Crystal Quartz
Dimension tolerance: -----------------------------+0.0, -0.2
Wavefront distortion: --------------------------------l /8@633nm
Retardation tolerance: -----------------------------l /300
Parallelism: -----------------------------------------<3 arc second (General),1 arc second (High Precision)
Surface quality: --------------------------------------20-10
Clear aperture: ---------------------------------------Central 90%
AR coating: -----------------------------------------<0.2%@ wavelength
Damage threshold: --------------------------------500MW/cm2 in 5ns pulse