LE5414 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=200mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 200 mm
- BFL
- 194.2 mm
- R1
- 40 mm
- R2
- 75.9 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
LE5414 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=200mm Uncoated
The LE5414 is a spherical lens with a convex-concave design, sourced from Thorlabs. This lens boasts a 25.4 mm diameter and is uncoated, offering a focal length of 200mm. The lens's geometry is characterized by a 3mm edge thickness and a 4mm center thickness, with an effective focal length (EFL) of 194.2mm and a back focal length (BFL) of 200mm.
The LE5414 is crafted from Calcium Fluoride (CaF2), a material with the Mal-1963 designation. This material is well-suited for use in the 4000nm wavelength range. The lens's base shape is circular, and it features an inner radius of 0mm and an outer radius of 0mm.
Please note that the LE5414 does not come with any coatings, as indicated in the item data. This may affect its performance in certain applications, so users should consider this factor when making their selection.
For more detailed information, including web links and the lens's current availability, users are encouraged to visit the vendor's website using the provided weblink.