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LB4821-UV 50.8 mm Dia. UVFS Double-Convex Lens; EFL=100mm 245-400nm

LB4821-UV 50.8 mm Dia. UVFS Double-Convex Lens; EFL=100mm 245-400nm

Type
Lens
Subtype
Spherical Lens (Convex-Convex)
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
50.8 mm
EFL
100 mm
R1
90.4 mm
R2
-90.4 mm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.458448271212196
λ
588 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

LB4821-UV 50.8 mm Dia. UVFS Double-Convex Lens; EFL=100mm 245-400nm

The LB4821-UV is a high-quality double-convex lens, boasting a diameter of 50.8 mm and a focal length of 100 mm. This lens is designed for use in the ultraviolet spectrum, specifically between 245-400 nm, making it an ideal choice for applications requiring precise UV light manipulation.

This lens is sourced from Thorlabs, a trusted name in the optical components industry, and is crafted from UVFS, a material with a refractive index of 1.49 at 588 nm. The lens features a front and back coating of THo UVFS UV Bbar, enhancing its durability and performance in UV applications.

The lens geometry includes an edge thickness of 3 mm and a center thickness of 10.3 mm, providing robust structural integrity. The radii of curvature for the front and back surfaces are 90.4 mm and -90.4 mm, respectively, contributing to the lens's double-convex shape. The lens has no inner or outer radius, further emphasizing its robust design.

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