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AC254-400-B-ML 25.4 mm Dia. SF5/N-SF6HT Mounted Achromatic Doublet; EFL=400mm 650-1050nm

AC254-400-B-ML 25.4 mm Dia. SF5/N-SF6HT Mounted Achromatic Doublet; EFL=400mm 650-1050nm

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

Properties

Shape
Circular
Diameter
25.4 mm
R1
83.6 mm
R2
-106.41 mm

Material 1

Name
SF5
Dispersion Equation
Sellmeier
n (λ)
1.6771178435097918
λ
550 nm
B1
1.46141885
C1
0.0111826126 μm2
B2
0.247713019
C2
0.0508594669 μm2
B3
0.949995832
C3
112.041888 μm2

Material 2

Name
N-SF6HT
Dispersion Equation
Sellmeier
n (λ)
1.811866267147773
λ
550 nm
B1
1.77931763
C1
0.0133714182 μm2
B2
0.338149866
C2
0.0617533621 μm2
B3
2.08734474
C3
174.01759 μm2

AC254-400-B-ML 25.4 mm Dia. SF5/N-SF6HT Mounted Achromatic Doublet; EFL=400mm 650-1050nm

The AC254-400-B-ML is a multiplet lens, specifically an achromatic doublet, sourced from Thorlabs. This lens is designed for use within the spectral range of 650-1050nm, making it suitable for a variety of applications within this range. The lens features a diameter of 25.4mm, providing a substantial surface area for light transmission.

The lens's geometry is intricately designed with a range of radii and thicknesses to optimize its optical performance. The edge thickness is 4.8mm, while the inner and outer radii are both 0mm. The r1, r2, and r3 radii are 83.6mm, -106.41mm, and 181.55mm respectively, contributing to the lens's complex optical design. The center thicknesses are 3.5mm and 1.8mm for the first and second centers respectively.

The lens is composed of two materials: SF5 from Schott and N-SF6HT from Schott. These materials have been carefully selected for their optical properties, contributing to the lens's overall performance. The lens is coated with tho ac650-1050-b on both the front and back surfaces, further enhancing its optical capabilities within the specified spectral range.

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