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Transmission Wedge Witness Sample
Esco PN:Esco Optics transmission wedge witness samples are precision polished on both sides to a scratch dig of 60-40. Flatness of each side is < 1 wave @ 633nm at 80% CA. Parallelism < 1 arc min. Edges are safety beveled. The wedge side has a polished face at 8º +\-0.50 degrees.
All of our witness samples are melt lot controlled and individual melt data is available on request. The refractive index values listed are representative of nd at 587nm.
| Diameter | 25.40mm +\-0.10 |
| Thickness (Thick End) | 8mm +/-0.20 |
| Wedge Angle | 8º +/- .5 degrees |
| Flatness | < 1 wave @ 633nm |
| Surface Quality | 60-40 scratch-dig |
| Edges | Fine ground and beveled |
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