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LB4842-C UV Fused Silica Bi-Convex Lens; Dia:2 in; f=200.0 mm ARC 1050-1700nm

LB4842-C UV Fused Silica Bi-Convex Lens; Dia:2 in; f=200.0 mm ARC 1050-1700nm

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

Properties

Shape
Circular
Diameter
50.8 mm
EFL
200 mm
BFL
197.7 mm
R1
183 mm
R2
-183 mm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.458448271212196
λ
588 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

LB4842-C UV Fused Silica Bi-Convex Lens; Dia:2 in; f=200.0 mm ARC 1050-1700nm

The LB4842-C is a UV Fused Silica Bi-Convex Lens, boasting a diameter of 2 inches and a focal length of 200.0 mm. This lens is sourced from Thorlabs, a reputable vendor known for its high-quality optical components.

The lens is designed with a Spherical shape, featuring a Base Shape of Circular. The geometry of the lens includes a thickness edge of 3 and a thickness center of 6.5, providing a robust structure. The effective focal length (EFL) is 200.0 mm, and the back focal length (BFL) is 197.7 mm, offering a balanced optical performance.

The lens is made from UV Fused Silica, a material with the Material ID "uvfs mal- 1965". This material is known for its excellent transparency in the UV range, making it ideal for applications that require high-performance in this spectrum.

The lens is coated with a broadband anti-reflection coating, specifically designed for the wavelength range of 1050-1700nm. This coating, denoted as "tho c bbar" for both the front and back surfaces, reduces surface reflections and increases transmission, thereby enhancing the overall performance of the lens.

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