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LE5382-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=150mm 2-5µm

LE5382-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=150mm 2-5µm

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

Properties

Shape
Circular
Diameter
25.4 mm
EFL
150 mm
BFL
145 mm
R1
35 mm
R2
78.6 mm

Material

Name
CaF2
Dispersion Equation
Sellmeier
n (λ)
1.4096399504333625
λ
4000 nm
B1
0.5675888
C1
0.00252643 μm2
B2
0.4710914
C2
0.010078333 μm2
B3
3.8484723
C3
1200.555973 μm2

LE5382-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=150mm 2-5µm

The LE5382-E is a Spherical Lens (Convex-Concave) with a base shape of Circular, designed and manufactured by Thorlabs. This lens boasts a diameter of 25.4 mm and a thickness edge of 2.6 mm, with a thickness center of 4 mm. The Effective Focal Length (EFL) is 150 mm, and the Radius of Curvature (RoC) for the first surface is 35 mm, while for the second surface it is 78.6 mm. The Back Focal Length (BFL) is 145 mm.

This lens is made of Calcium Fluoride (CaF2) material, identified as "caf2 mal-1963". It is designed to operate at a wavelength of 4000 nm. The lens features a coating on both the front and back surfaces, specifically the "tho ecaf2arc20005000" coating.

The LE5382-E is currently in stock and available for purchase through the Thorlabs website, as indicated by its "weblink status". This lens is a valuable addition to any optical system requiring a high-quality, Calcium Fluoride lens with specific curvature and thickness properties.

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