89-254 18mm Dia. x 18mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 18 mm
- EFL
- 18 mm
- BFL
- 16.69 mm
- R1
- 27.22 mm
- R2
- -27.22 mm
Material
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7847141030246312
- λ
- 587.6 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
89-254 18mm Dia. x 18mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm
This is a high-quality double-convex lens from Edmund Optics, designed for use in a wide range of optical applications. The lens has a diameter of 18mm and a focal length of 18mm, making it a versatile choice for many setups.
The lens is made from n-sf11 Schott, a high-index glass that offers excellent optical performance. It has a front and back coating of EDM YAGBBAR 500-1100, which provides broadband anti-reflection coating for wavelengths from 500nm to 1100nm. This coating enhances the lens's transmission capabilities and reduces unwanted reflections, making it ideal for use in multi-wavelength systems.
The lens's geometry includes a thickness of 1.44mm at the edge and 4.5mm at the center, with a back focal length of 16.69mm. The inner and outer radii are 0, indicating a uniform curvature. The lens's shape is spherical, which is a common choice for general-purpose optical systems due to its simplicity and wide range of applications.
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