LD7877-E3 25.4 mm Dia. ZnSe Double-Concave Lens; EFL=-75mm 7-12µm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -75 mm
- R1
- -211 mm
- R2
- 211 mm
Material
- Name
- ZnSe
- Dispersion Equation
- Sellmeier
- n (λ)
- 2.402780893783937
- λ
- 10600 nm
- B1
- 4.45813734
- C1
- 0.040344681 μm2
- B2
- 0.467216334
- C2
- 0.15317139 μm2
- B3
- 2.8956629
- C3
- 2221.822369 μm2
LD7877-E3 25.4 mm Dia. ZnSe Double-Concave Lens; EFL=-75mm 7-12µm
The LD7877-E3 is a high-quality double-concave lens, boasting a 25.4 mm diameter and a center thickness of 2 mm. This lens is designed for use with a wavelength of 10600 nm and is crafted from ZnSe (Zinc Selenide) material, specifically the ZnSe Connolly variant. The lens features an effective focal length (EFL) of -75 mm, making it suitable for a variety of applications.
The LD7877-E3's concave-concave base shape is spherical, with inner and outer radii of 0 mm. The first radius of curvature (R1) is -211 mm, while the second radius of curvature (R2) is 211 mm. This lens is coated with the THo E3ZnSeARC7000-120 coating on both the front and back surfaces, enhancing its performance and durability.
This lens is sourced from Thorlabs, a leading vendor in the optical components industry. According to the vendor's website, the lens is currently in stock, ensuring quick delivery for your optical system needs. For more detailed information, you can refer to the vendor's product page at https://www.thorlabs.com/thorproduct.cfm?partnumber=LD7877-E3.