LE5803-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=100mm 2-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 100 mm
- BFL
- 94.1 mm
- R1
- 20 mm
- R2
- 36.8 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
LE5803-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=100mm 2-5µm
The LE5803-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 1.7 mm, with a thickness center of 4 mm. The Effective Focal Length (EFL) is 100 mm, and the Back Focal Length (BFL) is 94.1 mm. The lens is made of Calcium Fluoride (CaF2) material, specifically identified as "caf2 mal-1963" in the Material ID.
The LE5803-E is designed to operate at a wavelength of 4000 nm. It features a coating on both the front and back surfaces, specifically "tho ecaf2arc20005000", which enhances its performance and durability. The lens's shape is spherical, and it has an Inner Radius of 0 and an Outer Radius of 0.
According to the vendor's information, this item is currently in stock and can be purchased directly from the Thorlabs website using the provided weblink. The link has been verified and is valid at the time of this description.
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