Quartz Waveplate D30mm Wavelength 632.8nm

Quartz waveplates are zero-order retardation plates (phase plates) which are assembled from pairs of optically contacted crystalline quartz plates and are mounted on aluminum frames. Unlike multiple-order (higher-order) waveplates that are made from a single quartz plate, the net retardations of zero-order waveplates are only slightly affected by temperature change.
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Data sheet Quartz Waveplate D30mm Wavelength 632.8nm

Description

Quartz waveplates are zero-order retardation plates (phase plates) which are assembled from pairs of optically contacted crystalline quartz plates and are mounted on aluminum frames. Unlike multiple-order (higher-order) waveplates that are made from a single quartz plate, the net retardations of zero-order waveplates are only slightly affected by temperature change.

These products utilize birefringence of quartz and give phase difference of λ/4 (p/2, 90°) or λ/2 (p, 180°) to the input beams. λ/4 retarders convert linearly polarization to circularly and circularly polarization to linearly. λ/2 retarders convert the direction of polarization in 90 degrees.

Usually linearly polarized beams are input to the waveplates in a leaning of 45 degrees against its optic axis.

Other Specifications

- RoHs : Yes
- Theoretical retardation :
. λ/2 : 316.4nm
. λ/4 : 158.2nm
- Laser Damage Threshold : 1J/cm2
- Surface flatness of substrate : λ/10
- Angular deviation of beam : <5″
- Material propreties : Aluminum (Finishing ; Black Anodized)
- retardation tolerance :
. <λ/50 (λ<400nm)
. λ/100〜λ/200 (400nm<λ<700nm)
. λ/200〜λ/500 (700nm<λ)
- Transmittance : >98.5%
- Wavelength Range : 632.8nm
- Material : Crystalline quartz
- Clear aperture : 17×17mm
- Coating : Antireflection Coating on both side
- Surface Quality (Scratch-Dig) : 20−10

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