87-961 25 mm Dia. Germanium Positive Meniscus Lens; EFL=25mm BBAR 3-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 25 mm
- BFL
- 23.34 mm
- R1
- 28.32 mm
- R2
- 42.46 mm
Material
- Name
- Germanium
- Dispersion Equation
- Sellmeier
- n (λ)
- 4.00355628065046
- λ
- 10600 nm
- B1
- 0.4886331
- C1
- 1.393959 μm2
- B2
- 14.5142535
- C2
- 0.1626427 μm2
- B3
- 0.0091224
- C3
- 752.19 μm2
87-961 25 mm Dia. Germanium Positive Meniscus Lens; EFL=25mm BBAR 3-5µm
This is a 25 mm diameter Germanium Positive Meniscus Lens, featuring an effective focal length (EFL) of 25mm and broadband anti-reflection (BBAR) coating of 3-5µm. The lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock.
The lens is a Spherical Lens of Sub Type Spherical (Convex-Concave), with a base shape of Circular. The geometry of the lens includes a thickness edge of 1.3, a thickness center of 2.5, and a back focal length (BFL) of 23.34. The inner and outer radii are both zero.
The lens is made of Germanium Burnett material and is designed to operate at a wavelength of 10600. The front and back of the lens are coated with edm arcedgermanium35, providing superior anti-reflection properties.
This lens is an excellent choice for applications that require a high-quality, precision optical component with specific geometric and material properties.
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