AC508-400-C-ML 50.8 mm Dia. N-BAF10/N-SF6HT Mounted Achromatic Doublet; EFL=400mm 1050-1700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- R1
- 125.6 mm
- R2
- -161.5 mm
Material 1
- Name
- N-BAF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6730569473646495
- λ
- 550 nm
- B1
- 1.5851495
- C1
- 0.00926681282 μm2
- B2
- 0.143559385
- C2
- 0.0424489805 μm2
- B3
- 1.08521269
- C3
- 105.613573 μm2
Material 2
- Name
- N-SF6HT
- 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
AC508-400-C-ML 50.8 mm Dia. N-BAF10/N-SF6HT Mounted Achromatic Doublet; EFL=400mm 1050-1700nm
The AC508-400-C-ML is a multiplet lens, specifically an achromatic doublet, sourced from Thorlabs. This lens boasts a 50.8 mm diameter and is designed for use within the 1050-1700nm wavelength range. The lens is mounted, providing a convenient and ready-to-use solution for your optical system.
The lens's geometry is intricately designed with a range of radii and thicknesses to optimize its performance. The edge thickness is 7.8 mm, while the center thicknesses are 6.5 mm and 3 mm. The curvature radii are r1=125.6 mm, r2=-161.5 mm, and r3=376.3 mm. The lens is constructed from two types of Schott glass, N-BAF10 and N-SF6HT, each with its unique refractive index and dispersion properties, contributing to the lens's overall achromatic performance.
The lens is coated with Thorlabs' AC1050-1700-C coating on both the front and back surfaces. This coating is specifically designed for use within the 1050-1700nm wavelength range, enhancing the lens's transmission and reducing unwanted reflections.
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