LB4293-C UV Fused Silica Bi-Convex Lens; Dia:2 in; f=1000.0 mm ARC 1050-1700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 1000 mm
- BFL
- 998.7 mm
- R1
- 919.6 mm
- R2
- -919.6 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
LB4293-C UV Fused Silica Bi-Convex Lens; Dia:2 in; f=1000.0 mm ARC 1050-1700nm
The LB4293-C is a high-quality bi-convex lens made from UV fused silica, a material renowned for its excellent transmission properties across a wide spectral range. This lens, with a diameter of 2 inches and a focal length of 1000.0 mm, is designed for use in the ARC range of 1050-1700nm, making it suitable for various applications in the optical industry.
The lens features a base shape of a circle, with a thickness of 3mm at the edge and 3.7mm at the center. The front and back surfaces of the lens are coated with Thorlabs' proprietary coating, referred to as "tho c bbar". This coating enhances the lens' performance by reducing surface reflections and improving transmission.
The LB4293-C is a spherical lens, with radii of curvature R1 and R2 being 919.6mm and -919.6mm respectively. The back focal length (BFL) of the lens is 998.7mm, and it has no inner or outer radius. The lens is sourced from Thorlabs, a trusted vendor in the optical industry, and is currently in stock, as indicated by its weblink status.
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