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LD1464-B N-BK7 Bi-Concave Lens; Dia:25.4 mm; f=-50.0 mm ARC 650-1050nm

LD1464-B N-BK7 Bi-Concave Lens; Dia:25.4 mm; f=-50.0 mm ARC 650-1050nm

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

Properties

Shape
Circular
Diameter
25.4 mm
EFL
-50 mm
BFL
-50.8 mm
R1
-52 mm
R2
52 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167984379050088
λ
587.6 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

LD1464-B N-BK7 Bi-Concave Lens; Dia:25.4 mm; f=-50.0 mm ARC 650-1050nm

The LD1464-B is a high-quality bi-concave lens from Thorlabs, designed with a diameter of 25.4 mm and a focal length of -50.0 mm. This lens is made from N-BK7, a popular glass type from Schott, known for its excellent optical properties and wide transparency range.

The lens features a double-sided broadband anti-reflection coating (ARC), designed to operate between 650-1050nm. This coating reduces surface reflections, thereby increasing transmission and improving overall system performance.

The geometry of the lens includes a thickness of 6.1 mm at the edge and 3 mm at the center. The radii of curvature are -52 mm for the first surface and 52 mm for the second, resulting in a back focal length of -50.8 mm. The lens is spherical in shape, ensuring high-quality imaging and light control.

This lens is ideal for use in various applications, including beam shaping, focusing, and collimation. It is currently in stock, making it a readily available option for your optical system needs. For more information, please refer to the vendor's website provided.

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