SPX029AR.4 25.4 mm Dia. x 250 mm FL; AR coated; Plano-Convex Lens AR 230-266nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 250 mm
- BFL
- 247.46 mm
- R1
- 114.6 mm
Material
- Name
- Fused Silica
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4584132064785245
- λ
- 589 nm
- B1
- 0.6961663
- C1
- 0.00467914825849 μm2
- B2
- 0.4079426
- C2
- 0.013512063073959999 μm2
- B3
- 0.8974794
- C3
- 97.934002537921 μm2
SPX029AR.4 25.4 mm Dia. x 250 mm FL; AR coated; Plano-Convex Lens AR 230-266nm
The SPX029AR.4 is a high-energy plano-convex lens, designed and manufactured by MKS/Newport. This lens boasts a diameter of 25.4 mm and a focal length of 250 mm, making it suitable for a wide range of applications. The lens is made from fused sil mal-1965, a material known for its excellent optical properties.
The lens features a new AR-4 coating on both the front and back surfaces, optimized for the 230-266 nm wavelength range. This coating enhances the lens's performance by reducing reflection and increasing transmission, thereby improving the overall efficiency of the optical system.
The geometry of the lens is carefully crafted, with a thickness of 3 mm at the edge and 3.71 mm at the center. The inner radius is 0, and the radius of curvature (R1) is 114.603 mm. The back focal length (BFL) is 247.46 mm, and the effective focal length (EFL) is 250 mm.
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