The low order waveplate which can be replaced by mulit-order waveplate is designed to give a retardance of several full waves, plus the desired fraction. This results in a single, physically robust component with desired performance. However, even small variation in wavelength or temperature will result in significant changes in the desired fraction retardance.
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Specification |
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Material |
Quartz |
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Dimension Tolerance |
+0.0,-0.1 |
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Wavefront Distortion |
λ/8@633nm |
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Retardation Tolerance |
λ/60-λ/150(λ<400nm)< p=""> λ/150-λ/350(400nm<λ<700nm)< p=""> λ/350-λ/600(λ>700nm) |
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Parallelism |
<1 arc second |
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Surface Quality |
20/10 scratch /dig |
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Clear Apterure |
Central 90% |
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AR Coating |
<0.2%@wavelength< p=""> |
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Holder |
Refer to <> |
Standard Wavelength: 266nm, 355nm, 632.8nm, 780nm, 808nm, 980nm, 1064nm, 1310nm, 1550nm
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