89-248 15mm Dia. x 22.5mm 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
- 15 mm
- EFL
- 22.5 mm
- BFL
- 21.29 mm
- R1
- 34.36 mm
- R2
- -34.36 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
89-248 15mm Dia. x 22.5mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm
The 89-248 is a high-quality double-convex lens, sourced from the renowned optical components manufacturer, Edmund Optics. This lens boasts a diameter of 15mm and a focal length of 22.5mm, making it suitable for a wide range of optical applications.
The lens is crafted from n-sf11 Schott, a high-index glass material known for its excellent optical properties. This material ensures high dispersion and low auto-fluorescence, making it ideal for applications that require high precision and low background noise.
The 89-248 features a YAG-BBAR coating on both the front and back surfaces. This coating, which stands for Yttrium Aluminum Garnet - Broad Band Anti-Reflection, is designed to minimize reflection and maximize transmission across the 500-1100nm wavelength range. This makes the lens particularly suitable for use in systems that operate in the visible to near-infrared spectrum.
The lens geometry is characterized by its double-convex shape, with radii of curvature of 34.36mm for both the front and back surfaces. This shape provides a large acceptance angle and excellent image quality, making the lens ideal for use in imaging systems.
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