LE5382-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=150mm 2-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 150 mm
- BFL
- 145 mm
- R1
- 35 mm
- R2
- 78.6 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
LE5382-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=150mm 2-5µm
The LE5382-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 2.6 mm, with a thickness center of 4 mm. The Effective Focal Length (EFL) is 150 mm, and the Radius of Curvature (RoC) for the first surface is 35 mm, while for the second surface it is 78.6 mm. The Back Focal Length (BFL) is 145 mm.
This lens is made of Calcium Fluoride (CaF2) material, identified as "caf2 mal-1963". 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 LE5382-E is currently in stock and available for purchase through the Thorlabs website, as indicated by its "weblink status". This lens is a valuable addition to any optical system requiring a high-quality, Calcium Fluoride lens with specific curvature and thickness properties.
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