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LF4624-UV 25.4 mm Dia. UVFS Negative Meniscus Lens; EFL=-200mm UV 245-400nm

LF4624-UV 25.4 mm Dia. UVFS Negative Meniscus Lens; EFL=-200mm UV 245-400nm

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

Properties

Shape
Circular
Diameter
25.4 mm
EFL
-200 mm
BFL
-198.5 mm
R1
150 mm
R2
56.6 mm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4600813135725972
λ
546 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

LF4624-UV 25.4 mm Dia. UVFS Negative Meniscus Lens; EFL=-200mm UV 245-400nm

The LF4624-UV is a spherical lens with a concave-convex base shape and a circular design, sourced from the reputable vendor Thorlabs. This lens boasts a diameter of 25.4 mm and a center thickness of 3.5 mm, with an edge thickness of 4.4 mm. The effective focal length (EFL) is -200 mm, and the back focal length (BFL) is -198.5 mm.

The lens is made from UVFS material with the ID 1965, specifically designed for use in the ultraviolet spectrum, between 245 and 400 nm. It features a coating on both the front and back surfaces, denoted as 'tho uv uv arc 245400', which further enhances its performance in the UV range.

This lens is a negative meniscus lens, meaning it has a concave front surface and a convex rear surface. The inner and outer radii are both 0, and the front and back radii of curvature are 150 mm and 56.6 mm, respectively.

The lens's geometry and material make it an ideal choice for applications requiring high-performance UV optics. Its detailed specifications, as provided by Thorlabs, ensure that users can make informed decisions when selecting optical components for their specific needs.

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