69-689 25mm Dia. x 150mm FL; Coated; Si Plano-Convex Lens BBAR 3-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 150 mm
- R1
- 362.64 mm
Material
- Name
- Silicon
- Dispersion Equation
- Sellmeier
- n (λ)
- 3.4176022196178844
- λ
- 10600 nm
- B1
- 10.6684293
- C1
- 0.090912191 μm2
- B2
- 0.003043475
- C2
- 1.287660172 μm2
- B3
- 1.54133408
- C3
- 1218816 μm2
69-689 25mm Dia. x 150mm FL; Coated; Si Plano-Convex Lens BBAR 3-5µm
The 69-689 is a 25mm diameter, 150mm focal length Plano-Convex lens, manufactured by Edmund Optics. This lens is made of silicon sal vil 1957, a material known for its excellent optical properties. The lens features a broadband anti-reflection (BBAR) coating on both the front and back surfaces, designed to reduce surface reflections and increase transmission across a wide range of wavelengths, specifically from 3 to 5µm.
The lens has a spherical shape, with a radius of curvature of 362.64mm on the curved surface. The center thickness of the lens is 3mm, while the edge thickness is 2.78mm. The lens does not have any inner or outer radii, indicating a simple, straightforward design.
According to the vendor's website, this lens is currently in stock, making it readily available for immediate use. The item data also provides a weblink to the product page on Edmund Optics' website, offering further details and specifications.