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, -0.1 Wavefront distortion: l /8@633nm Retardation tolerance: l /300 Parallelism: <1 arc second Surface quality: 20-10 Clear aperture: Central 90% AR coating: <0.2%@ wavelength Damage threshold: 500MW/cm2 in 5ns pulse Holder: refer to <<Holers for waveplates>>

tandard Products:

P/N#	Diameter(mm)	Phase Retardation	Unit Price
WPD2121	12.7	l @1064nm + l /2@532nm	￡134.5
WPD2122	12.7	l /2@1064nm + l @532nm	￡134.5
WPD2151	15.0	l @1064nm + l/2@532nm	￡150.0
WPD2152	15.0	l /2@1064nm + l @532nm	￡150.0
WPD2201	20.0	l @1064nm + l /2@532nm	￡169.5
WPD2202	20.0	l /2@1064nm + l @532nm	￡169.5
WPD2251	25.4	l @1064nm + l /2@532nm	￡204.5
WPD2252	25.4	l /2@1064nm + l @532nm	￡204.5

Ordering Information for Non-Standard Dual Wavelength Waveplates

Example: WPD - 2 -D16 - l/2@1064 + l /4@532