Ultrathin Dual Wavelength Waveplates

Ultrathin Dual Wavelength Waveplates
Ultrathin Dual Wavelength Waveplates Ultrathin Dual Wavelength Waveplates Ultrathin Dual Wavelength Waveplates

Material: High grade quartz crystals.
Ultrathin single-plate design (~<100 μm) with
large bandwidth and minimum
  group delay dispersion (GDD).
All optical surfaces AR coated.
Optically robust with a high damage threshold.
Two plate sizes available:
    Diameter 15 mm, mounted in OD 1" holder  and
    Diameter 1" (25.4 mm), mounted in OD 30 mm holder
Mount adaptors are available.

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Part No. Description Size Retardation Price Availability Add to Cart

Dual Wavelength Waveplate Specifications:

Dimensions Tolerance: +/- 0.1 mm
Wavefront Distortion: < λ/8 @632.8 nm
Retardation Tolerance (typical):  +/- 
λ/30 -- +/- λ/100 for both wavelengths
Surface Quality: 20-10 scratch and dig
Coating: AR coating with R < 0.5% at both wavelengths

Holder: OD 1" or 30mm anodized aluminum holder 
Clear Aperture: > Aperture (plate) - 2.0 mm (mounted) 




Retardance curves @ 800 nm and 400 nm:

























The ultrathin dual waveplate is an accurate 0th-order half waveplate @ 800nm and an approximate full waveplate @ 400nm. With the fast axis set @ 45 deg, a linearly polarizated light @ 800nm is rotated by 90 deg and remains linear polarized while a linearly polarized light @ 400nm becomes slightly elliptical with the amplitude along the original polarization reduced by ~ 5%.


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