Dual Wavelengths Waveplates

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:

Wavplate P/N#	Diameter (mm)	Phase Retardation	Price/pc in US$ for different pcs range
Wavplate P/N#	Diameter (mm)	Phase Retardation	qty<=5	5<qty<=10	10<qty<=20	qty>20
WPD2121	12.7	λ@1064nm+λ/2@532nm	$79	$65	$49	Depends
WPD2122	12.7	λ/2@1064nm+λ@532nm	$79	$65	$49	Depends
WPD2151	15	λ@1064nm+λ/2@532nm	$89	$75	$59	Depends
WPD2152	15	λ/2@1064nm+λ@532nm	$89	$75	$59	Depends
WPD2201	20	λ@1064nm+λ/2@532nm	$99	$85	$69	Depends
WPD2202	20	λ/2@1064nm+λ@532nm	$99	$85	$69	Depends
WPD2251	25.4	λ@1064nm+λ/2@532nm	$119	$99	Depends	Depends
WPD2252	25.4	λ/2@1064nm+λ@532nm	$119	$99	Depends	Depends

Ordering Information for Non-Standard Dual Wavelength Waveplates

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

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