REQUEST TO CUSTOM PRODUCT

Bi-Concave Lenses

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

Surface Flatness:
N<3, △N<λ/4

Coating:
Uncoated,
Single Layer MgF
,
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%

wdt_ID Attributes Value
REQUEST TO CUSTOM PRODUCT

Bi-concave lenses have a negative focal length and are best used to diverge a converging beam. Bi-concave lenses can diverge a collimated beam to a virtual focus and are commonly used in Galilean-type beam expanders.
REQUEST TO CUSTOM PRODUCT

CONTACT US FOR MORE INFORMATION

Related Products

Related Products

Plano-Concave Lenses
Plano-Convex Lenses
Ball Lenses
Rod Cylindrical Lenses