SLSQ-20-25N 20.0 mm Dia. x -25.0 mm FL; Plano-Concave Lens Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- -25 mm
- BFL
- -26.4 mm
- R1
- -11.5 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-20-25N 20.0 mm Dia. x -25.0 mm FL; Plano-Concave Lens Uncoated
The SLSQ-20-25N is a Plano-Concave Lens, a type of spherical lens, sourced from OptoSigma. This lens is designed with a base shape of a circle and is uncoated. The lens is fabricated from fused silica, a material known for its high transparency and excellent thermal shock resistance.
The lens has a diameter of 20.0 mm and a thickness at the edge of 7.8 mm. The center thickness is 2.0 mm. The effective focal length (EFL) of this lens is -25.0 mm, indicating that it is a diverging lens. The radius of curvature (R1) is -11.5 mm, and the back focal length (BFL) is -26.4 mm. The lens does not have an inner or outer radius.
The lens is designed to operate at a wavelength of 546.1 nm. It is important to note that the lens does not come with any coating, which may affect its performance in certain applications.
This lens is currently in stock and available for purchase. For more information, please refer to the vendor's website provided in the weblinks section.
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