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LA0259-E 12.7 mm Dia. BaF2 Plano-Convex Lens; EFL=40mm 2-5µm

LA0259-E 12.7 mm Dia. BaF2 Plano-Convex Lens; EFL=40mm 2-5µm

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

Properties

Shape
Circular
Diameter
12.7 mm
EFL
40 mm
R1
18.3 mm

Material

Name
BAF2
Dispersion Equation
Schott
n (λ)
1.5159981949483772
λ
4000 nm
A
2.41667247
B
-0.00746725517 μm-2
C
0.0168668464 μm2
D
-0.0000129697272 μm4
E
0.00005159926024 μm6
F
-0.00000181803614 μm8
G
0 μm10
H
0 μm12

LA0259-E 12.7 mm Dia. BaF2 Plano-Convex Lens; EFL=40mm 2-5µm

The LA0259-E is a Plano-Convex lens with a diameter of 12.7 mm, manufactured by Thorlabs. This lens is designed for use with a wavelength of 4000 nm and features an effective focal length (EFL) of 40 mm, making it suitable for a wide range of optical applications.

The lens is made from BaF2, a material with a high refractive index and low dispersion, which contributes to its excellent optical performance. The front and back surfaces of the lens are coated with tho ebaf2arc20005000, a coating that enhances its transmission capabilities in the 2-5 µm range.

The geometry of the lens includes a thickness of 2 mm at the edge and 3.1 mm at the center. The radius of curvature for the curved surface (R1) is 18.3 mm, while the inner and outer radii (R2 and R3) are both 0 mm, indicating a planar surface.

The lens is available for purchase through the Thorlabs website, where it is listed as in stock. The link to the product page is provided in the item data for easy access.

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