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| Multi-order Waveplates |
These multiple order waveplates are
made from a piece of crystal quartz with its optic axis parallel
with the plane of polarization. A quarter wave plate has a net
retardation of (2k + 1) / 2, where k is an integer, and changes
polarization from linear to circular or circular to linear.
It will work as a half wave plate when used in double-pass as
in a laser cavity. A half wave plate has a net retardation of
(2k + 1) p, where k is an integer, and rotates the plane of
polarization by 90. Optionally, these waveplates are available
mounted in a metal cell.
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| Single plates |
| High Damage Threshold |
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| Specifications |
| Material: |
Crystal Quartz |
| Surface Quality: |
10 / 5 |
| Transmitted Wavefront: |
λ / 10 |
| Diameter Tolerance: |
+ 0.00 / - 0.20 mm |
| Retardation Tolerance: |
λ /300 at 20 ℃ |
| Parallelism: |
< 1.0 arc sec |
| Clear Aperture: |
90% |
| AR Coating: |
R < 0.25% per surface |
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