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Witness Sample, Transmission, 1.800-2.000

Witness Sample, Transmission, 1.800-2.000

Esco PN:
  • $ 2995

Esco Optics witness samples used for transmission 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. Witness sample diameter is 25.40mm and the thickness is 1.50mm. 

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 1.50 mm +/-0.25
Flatness < 1.0 wave @ 633nm 
Surface Quality 60-40 scratch-dig
Edges Fine ground and beveled
Materials S-TIH6, PBH-56


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