LE5183-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=40mm 2-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 40 mm
- BFL
- 33.1 mm
- R1
- 15 mm
- R2
- 146.9 mm
Material
- Name
- CaF2
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4096399504333625
- λ
- 4000 nm
- B1
- 0.5675888
- C1
- 0.00252643 μm2
- B2
- 0.4710914
- C2
- 0.010078333 μm2
- B3
- 3.8484723
- C3
- 1200.555973 μm2
LE5183-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=40mm 2-5µm
The LE5183-E is a Spherical Lens (Convex-Concave) with a base shape of Circular, designed and manufactured by Thorlabs. This lens boasts a diameter of 25.4 mm and a thickness edge of 2.4 mm, with a thickness center of 8.9 mm. The Effective Focal Length (EFL) is 40 mm, and the Radius of Curvature (RoC) for the first surface is 15 mm, while for the second surface it is 146.9 mm. The Back Focal Length (BFL) is 33.1 mm, and the Inner and Outer Radius are both 0 mm.
This lens is made of CaF2 (Calcium Fluoride) material, identified as "caf2 mal-1963" in the Material ID. It is designed to operate at a wavelength of 4000 nm. The lens features a coating on both the front and back surfaces, specifically the "tho ecaf2arc20005000" coating.
The LE5183-E is currently in stock and available for purchase through the Thorlabs website, as indicated by its "weblink status". This lens is a great option for those in need of a high-quality, reliable optical component for their projects or systems.