LE5801-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=50mm 2-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 50 mm
- BFL
- 43.3 mm
- R1
- 15.5 mm
- R2
- 55.2 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
LE5801-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=50mm 2-5µm
The LE5801-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 center thickness of 7.1 µm, with an edge thickness of 2 µm. The Effective Focal Length (EFL) is 50 mm, and the Back Focal Length (BFL) is 43.3 mm. The lens features an Inner Radius of 0 mm and an Outer Radius of 0 mm.
This lens is made from 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 front and back surfaces of the lens are coated with "tho ecaf2arc20005000", a coating type specific to Thorlabs.
The LE5801-E is currently in stock and available for purchase through the Thorlabs website, as indicated by its "weblink status". This detailed information should assist users in their search for optical components with similar properties.
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