AL1210-A 12.5 mm Dia. S-LAH64 High-Precision; CNC Polished Aspheric Lenses; EFL=10 mm; NA=0.55 AR 350-700nm
- Type
- Lens
- Subtype
- Aspheric Lens
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- EFL
- 10 mm
- R1
- 7.77 mm
- R2
Material
- Name
- S-LAH64
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7768959986651893
- λ
- 780 nm
- B1
- 1.83021453
- C1
- 0.0090482329 μm2
- B2
- 0.29156359
- C2
- 0.0330756689 μm2
- B3
- 1.28544024
- C3
- 89.3675501 μm2
AL1210-A 12.5 mm Dia. S-LAH64 High-Precision; CNC Polished Aspheric Lenses; EFL=10 mm; NA=0.55 AR 350-700nm
The AL1210-A is a high-precision aspheric lens offered by Thorlabs, a leading vendor in the optical industry. This lens, crafted from S-LAH64 Ohara, is designed with a circular base shape and a diameter of 12.5 mm. It features an effective focal length (EFL) of 10 mm and a numerical aperture (NA) of 0.55, making it suitable for a wide range of optical applications.
The lens's geometry is defined by its inner and outer radii, both of which are 0 mm. It has a thickness of 1.6 mm at the edge and 4.3 mm at the center. The aspheric surface is defined by a series of coefficients, including k1 (-1), k2 (0), a2 front (0), a4 front (9.8464319e-05), a6 front (-6.9905851e-08), a8 front (-2.3874994e-09), a10 front (-1.1328583e-11), and a12 front (8.7255438e-14), a14 front (2.8967313e-16), a16 front (1.7632112e-18).
The AL1210-A is coated with a broadband anti-reflection (AR) coating, applicable for wavelengths between 350 and 700 nm, on both the front and back surfaces. This coating enhances the lens's performance by reducing surface reflections, thereby increasing transmission.
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