SLSQ-25.4B-40N 25.4 mm Dia. x -39.7 mm FL; Double-Concave Lens Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -39.7 mm
- BFL
- -40.4 mm
- R1
- -36.8 mm
- R2
- 36.8 mm
Material
- Name
- Fused Silica
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.460077010624967
- λ
- 546.1 nm
- B1
- 0.6961663
- C1
- 0.00467914825849 μm2
- B2
- 0.4079426
- C2
- 0.013512063073959999 μm2
- B3
- 0.8974794
- C3
- 97.934002537921 μm2
SLSQ-25.4B-40N 25.4 mm Dia. x -39.7 mm FL; Double-Concave Lens Uncoated
The SLSQ-25.4B-40N is a high-quality, double-concave spherical lens sourced from OptoSigma. This lens, designed for use in a wide range of optical applications, boasts a diameter of 25.4 mm and a focal length of -39.7 mm, making it a versatile choice for many setups.
The lens is made from fused silica, a material known for its excellent optical properties, including high transparency and resistance to thermal shock. The base shape of the lens is circular, and it features a double-concave geometry, with radii of curvature of -36.8 mm and 36.8 mm. The center thickness of the lens is 2 mm, while the edge thickness is 6.5 mm, providing a robust and durable structure.
The SLSQ-25.4B-40N is uncoated, offering users the flexibility to apply their own coatings to suit their specific application needs. The lens is designed to operate at a wavelength of 546.1 nm, and it is available for purchase directly from the OptoSigma website, where it is currently in stock.