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| This is the general standards we offer our
customers, UNION OPTICS can supply other Waveplates meet your requirements,
for detail information, please contact us. |
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| Waveplate | ||
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| Material: | Crystal Quartz | |
| Dimension Tolerance: | +0/-0.1mm | |
| Wavefront Distortion: | λ/8@632.8nm | |
| Retardation Tolerance: | <λ/300 | |
| Surface Quality: | 40/20 scratch and dig | |
| Parallelism: | <1 arc sec | |
| Clear Aperture: | 0.2mmX45deg | |
| Wavelength Range: | 220~2100nm | |
| AR Coating: | R＜0.2% at central wavelength | |
Filter  Crystal Material |
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| Note: Usually, the material we used is Chinese material unless assigned. If you can not confirm which material is the right one, please contact us. | ||