SLB-20-90PIR2 20.0 mm Dia. x 90.0 mm FL; Coated; Plano-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 90 mm
- BFL
- 88 mm
- R1
- 46.71 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.518720636186463
- λ
- 546.1 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
SLB-20-90PIR2 20.0 mm Dia. x 90.0 mm FL; Coated; Plano-Convex Lens 750-1550nm
The SLB-20-90PIR2 is a Plano-Convex Spherical Lens, sourced from the renowned optical component manufacturer, OptoSigma. This lens, with a diameter of 20.0 mm, is designed for use within the wavelength range of 750-1550nm, making it suitable for a wide range of optical applications.
The lens features a Plano-Convex geometry, with a thickness of 2.0 mm at the edge and 3.1 mm at the center. The Effective Focal Length (EFL) is 90.0 mm, and the Radius of Curvature (R1) is 46.71 mm. The Back Focal Length (BFL) is 88.0 mm, and both the Inner and Outer Radius are 0 mm, indicating a flat surface on the opposite side of the curved face.
The lens is made from n-BK7 Schott, a popular optical glass due to its excellent optical properties and high Abbe number. The lens is coated with Opt IR2, a broadband anti-reflection coating that enhances transmission and reduces surface reflections, ensuring optimal performance.
This lens is currently in stock, as indicated by the "weblink status" field in the item data. For more information, including pricing and availability, please refer to the provided web link.