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Witness Sample, Reflection, 1.400-1.599

Witness Sample, Reflection, 1.400-1.599

Esco PN:
  • $ 1350

Esco Optics witness samples used for reflection are precision polished on one side to a scratch dig of 60-40. Flatness is < 1 wave @ 633nm at 80% CA. The second side is ground. 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 25.40 mm +\-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-BSL7, UV Fused Silica


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