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Plano-Concave Lenses

Material:
N-BK7, UV grade fused silica, CaF₂ etc

Surface Flatness:
N<3, △N<λ/4

Coating:
Uncoated,
Single Layer MgF₂,

AR/AR@250-400nm, Ravg<0.5%,
AR/AR@400-700nm, Ravg<0.5%,
AR/AR@650-1050nm, Ravg<0.5%,
AR/AR@1000-1650nm, Ravg<0.5%

Surface Quality:
60/40~10/5

Clear Aperture:
>90%

Plano-Concave lenses bend parallel input rays to diverge from one another on the output side of the lens and hence have a negative focal length.
wdt_ID Attributes Values

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