45-806 25 mm Dia. N-LAK22/N-SF6 Achromatic Doublet; EFL=100mm NIR II 750-1550nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 100 mm
- R1
- 57.01 mm
- R2
- -56.72 mm
Material 1
- Name
- N-LAK22
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6536179449828925
- λ
- 550 nm
- B1
- 1.14229781
- C1
- 0.00585778594 μm2
- B2
- 0.535138441
- C2
- 0.0198546147 μm2
- B3
- 1.04088385
- C3
- 100.834017 μm2
Material 2
- Name
- N-SF6
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.811866267147773
- λ
- 550 nm
- B1
- 1.77931763
- C1
- 0.0133714182 μm2
- B2
- 0.338149866
- C2
- 0.0617533621 μm2
- B3
- 2.08734474
- C3
- 174.01759 μm2
45-806 25 mm Dia. N-LAK22/N-SF6 Achromatic Doublet; EFL=100mm NIR II 750-1550nm
The 45-806 is a high-quality achromatic doublet lens, designed for use in the near-infrared spectrum, specifically for the 750-1550nm range. This lens, sourced from Edmund Optics, boasts a 25mm diameter and a focal length of 100mm, making it a versatile choice for a variety of optical applications.
The lens is constructed from two types of Schott glass, N-LAK22 and N-SF6, which are renowned for their excellent optical properties in the near-infrared spectrum. The lens features a complex geometry, with a central thickness of 6mm, an edge thickness of 8.49mm, and radii of curvature of 57.01mm, -56.72mm, and -656.51mm. This geometry is designed to minimize chromatic aberration, ensuring sharp, clear images across the entire spectral range.
The lens is coated with Edmund Optics' standard NIR-II coating on both the front and back surfaces. This coating is specifically designed to enhance transmission in the near-infrared spectrum, further enhancing the lens' performance in its intended application.
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