LE5714-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=1000mm 2-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 1000 mm
- BFL
- 995.4 mm
- R1
- 250 mm
- R2
- 638.5 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
LE5714-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=1000mm 2-5µm
The LE5714-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 at the edge of 3.8 mm, while the center thickness is slightly more at 4 mm. The Effective Focal Length (EFL) is 1000mm, making it suitable for a variety of applications.
The lens features an inner radius of 0 and an outer radius of 0, with a Back Focal Length (BFL) of 995.4 mm. The radii of curvature for the first and second surfaces are 250 mm and 638.5 mm, respectively. The lens is constructed from Calcium Fluoride (CaF2) with the material ID "caf2 mal-1963".
The LE5714-E is designed to operate at a wavelength of 4000 nm. It comes with a coating on both the front and back surfaces, specifically the "tho ecaf2arc20005000" coating. This coating enhances the lens' performance and durability.
The lens is currently in stock and available for immediate purchase through the provided web link. With its robust design, precise specifications, and high-quality construction, the LE5714-E is an excellent choice for a wide range of optical applications.