PAC17AR.16 25 mm Dia. N-LAK22/N-SF6 Plano-Convex Achromatic Doublet; EFL=50mm NIR-IR 750-1550nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- MKS/Newport
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 50 mm
- R1
- -28.45 mm
- R2
- -161.05 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
PAC17AR.16 25 mm Dia. N-LAK22/N-SF6 Plano-Convex Achromatic Doublet; EFL=50mm NIR-IR 750-1550nm
The PAC17AR.16 is a high-quality achromatic doublet lens, designed and manufactured by MKS/Newport. This lens is specifically engineered for use in the near-infrared and infrared spectrum, with a wavelength range of 750-1550nm. The lens features a plano-convex geometry, with a 25mm diameter and a focal length of 50mm, making it suitable for a wide range of optical applications.
The lens is composed of two materials, N-LAK22 and N-SF6, both from Schott. These materials are chosen for their excellent optical properties in the NIR-IR spectrum. The lens is coated with New AR-16e on both the front and back surfaces, which reduces reflection and increases transmission in the specified wavelength range.
The lens geometry is carefully designed to minimize chromatic aberration, a common issue in lens systems. The inner and outer radii are 0, and the lens has a center thickness of 12mm, with individual center thicknesses of 8mm and 4mm for the two components. The edge thickness is 8.94mm. The lens also features a curvature of 31.69mm for the first surface and -28.45mm and -161.05mm for the first and second surfaces of the second component, respectively.
