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A260-B 6.5 mm Dia. H-LAK54 Molded Glass Aspheric Lenses; EFL=15.29 mm; NA=0.16 AR 650-1050nm

A260-B 6.5 mm Dia. H-LAK54 Molded Glass Aspheric Lenses; EFL=15.29 mm; NA=0.16 AR 650-1050nm

Type
Lens
Subtype
Aspheric Lens
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
6.5 mm
EFL
15.29 mm
R1
10.99 mm
R2

Material

Name
H-LAK54
Dispersion Equation
Sellmeier
n (λ)
1.7243689054934244
λ
780 nm
B1
1.20772937
C1
0.0176389155 μm2
B2
0.737418371
C2
0.000666515982 μm2
B3
1.35749026
C3
96.9938806 μm2

A260-B 6.5 mm Dia. H-LAK54 Molded Glass Aspheric Lenses; EFL=15.29 mm; NA=0.16 AR 650-1050nm

The A260-B is a high-quality aspheric lens from Thorlabs, designed with a 6.5 mm diameter and a focal length of 15.29 mm. This lens is made from H-LAK54 glass, a molded glass material known for its excellent optical properties. The lens features a high numerical aperture (NA) of 0.16, which allows for a wide angle of view and increased light-gathering capability.

The lens is coated with a broadband anti-reflection coating, specifically designed for the 650-1050nm wavelength range. This coating reduces surface reflections, thereby increasing the amount of light transmitted through the lens. The lens has a center thickness of 2.2 mm and an edge thickness of 1.72 mm, providing excellent mechanical stability.

The A260-B is part of Thorlabs' extensive catalog of optical elements, which includes a wide variety of lenses, mirrors, beam splitters, and other optical components. This lens is currently in stock, indicating its popularity and reliability among users. The detailed specifications and high-quality construction of the A260-B make it an excellent choice for a wide range of optical applications.

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