SLB-40B-40NIR1 40.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 633-1064nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- -39.7 mm
- BFL
- -40.3 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-40NIR1 40.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 633-1064nm
The SLB-40B-40NIR1 is a high-quality double-concave lens, boasting a diameter of 40.0 mm and a focal length of -39.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for its precision optical components.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry, with inner and outer radii of 0 mm each. The lens has a thickness of 12.3 mm at the edge and 2 mm at the center.
The SLB-40B-40NIR1 is coated with opt ir1 on both the front and back surfaces, providing enhanced performance in the wavelength range of 633-1064nm. This coating ensures that the lens delivers superior light transmission and reduces unwanted reflections, making it ideal for a wide range of applications.
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