SLB-40B-40PIR2 40.0 mm Dia. x 42.1 mm FL; Coated; Double-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 42.1 mm
- BFL
- 37.9 mm
- R1
- 41.52 mm
- R2
- -41.52 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-40B-40PIR2 40.0 mm Dia. x 42.1 mm FL; Coated; Double-Convex Lens 750-1550nm
The SLB-40B-40PIR2 is a high-quality lens from OptoSigma, designed for use in the 750-1550nm wavelength range. This lens is a Spherical Lens (Convex-Convex) type, featuring a base shape of Circular for versatile application.
The lens has a diameter of 40.0 mm and a thickness edge of 2.0 mm, ensuring durability and stability. The thickness center is 12.3 mm, providing a robust structure for various optical setups. The effective focal length (EFL) of this lens is 42.1 mm, making it suitable for a wide range of applications.
The curvature of the lens is defined by its first and second radii, R1 and R2, which are 41.52 mm and -41.52 mm respectively. These values indicate a double-convex lens, which is known for its ability to focus light efficiently. The back focal length (BFL) of this lens is 37.9 mm, which is an important factor to consider when designing an optical system.
The lens is made from n-bk7 schott, a popular material in optical systems due to its excellent optical properties. The lens is coated with opt ir2 on both the front and back, enhancing its performance in the specified wavelength range.
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