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LE4822 50.8 mm Dia. UVFS Positive Meniscus Lens; EFL=1000mm Uncoated

LE4822 50.8 mm Dia. UVFS Positive Meniscus Lens; EFL=1000mm Uncoated

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

Properties

Shape
Circular
Diameter
50.8 mm
EFL
1000 mm
BFL
995.6 mm
R1
356.7 mm
R2
1580.2 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

LE4822 50.8 mm Dia. UVFS Positive Meniscus Lens; EFL=1000mm Uncoated

The LE4822 is a spherical lens with a convex-concave design, sourced from the reputable vendor Thorlabs. This lens boasts a 50.8 mm diameter and is fabricated from UVFS material, specifically identified as UVFS MAL-1965. The lens's base shape is circular, and it features a positive meniscus design.

The lens's geometry is meticulously crafted, with an edge thickness of 4.3 mm and a center thickness of 5 mm. The effective focal length (EFL) is 1000 mm, and the back focal length (BFL) is 995.6 mm. The first radius of curvature (R1) is 356.7 mm, while the second radius of curvature (R2) is 1580.2 mm. Notably, the lens does not have any inner or outer radius specified, indicating a uniform curvature.

The LE4822 is designed to operate at a wavelength of 588 nm. It does not come with any coating, which may affect its performance in certain applications. However, its uncoated status could be beneficial in scenarios where coating might introduce unwanted reflections or alter the optical properties.

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