AC254-200-C-ML 25.4 mm Dia. N-LAK22/N-SF6HT Mounted Achromatic Doublet; EFL=200mm 1050-1700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- R1
- 70 mm
- R2
- -95.9 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-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
AC254-200-C-ML 25.4 mm Dia. N-LAK22/N-SF6HT Mounted Achromatic Doublet; EFL=200mm 1050-1700nm
The AC254-200-C-ML is a multiplet lens with a 25.4 mm diameter, sourced from Thorlabs. This lens is specifically designed for use in the infrared spectrum, with a coating optimized for the 1050-1700nm range. The lens is mounted, making it ready for immediate use in your optical system.
The lens features a complex geometry, with three radii of curvature (r1: 70, r2: -95.9, r3: 274.3) and varying thicknesses. The edge thickness is 6.1mm, while the center thicknesses are 4mm and 3mm. This geometry, combined with the use of N-LAK22 and N-SF6HT Schott glass, helps to minimize chromatic aberration, making this lens suitable for a wide range of applications.
The lens is coated with Thorlabs' AC1050-1700-C coating on both the front and back surfaces. This coating is designed to enhance the lens' performance in the 1050-1700nm range, providing improved transmission and reduced reflection.
