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LE1104-B 25.4 mm Dia. N-BK7 Positive Meniscus Lens; EFL=150mm 650-1050nm

LE1104-B 25.4 mm Dia. N-BK7 Positive Meniscus Lens; EFL=150mm 650-1050nm

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
146.3 mm
R1
49.1 mm
R2
131.6 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

LE1104-B 25.4 mm Dia. N-BK7 Positive Meniscus Lens; EFL=150mm 650-1050nm

The LE1104-B is a 25.4 mm diameter Spherical Lens with a Positive Meniscus shape, sourced from the reputable vendor Thorlabs. This lens is specifically designed for use within the wavelength range of 650-1050nm, making it suitable for a variety of optical applications within this spectrum.

The lens features an effective focal length (EFL) of 150mm, which is a crucial specification for determining the lens's magnification power and field of view. The EFL is a measure of the distance from the lens's center to the point at which light rays converge or diverge, depending on the lens's design.

The LE1104-B is made from N-BK7, a type of glass commonly used in optical applications due to its excellent optical properties. The lens's geometry includes an inner radius of 0mm and an outer radius of 0mm, with a thickness at the edge of 2mm and a center thickness of 3.1mm.

The lens is coated with THo BBAR, a broadband anti-reflection coating that reduces reflection and increases transmission across a wide range of wavelengths. This coating is applied to both the front and back surfaces of the lens.

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