KPC043AR.16 25.4 mm Dia. x -25 mm FL; NIR coated; Plano-Concave Lens 650-1000nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -25 mm
- BFL
- -26.64 mm
- R1
- -12.92 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167401204613524
- λ
- 589 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
KPC043AR.16 25.4 mm Dia. x -25 mm FL; NIR coated; Plano-Concave Lens 650-1000nm
The KPC043AR.16 is a Plano-Concave Lens, a type of spherical lens, sourced from MKS/Newport. This lens, with a diameter of 25.4 mm, is designed for use within the near-infrared (NIR) spectrum, specifically between 650 and 1000 nanometers.
The lens's geometry is characterized by its edge thickness of 9.4 mm and center thickness of 2.5 mm. The effective focal length (EFL) is -25 mm, indicating its diverging nature. The first radius of curvature (R1) is -12.92 mm, and the back focal length (BFL) is -26.64 mm. The lens does not have an inner or outer radius, suggesting a simple, plano-concave design.
The lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and wide transparency range. The lens's front and back surfaces are coated with New AR-16, a broadband anti-reflective coating designed for the NIR spectrum. This coating reduces surface reflections, enhancing the lens's performance in its intended spectral range.