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357775-A 6.325 mm Dia. D-LAK6 Molded Glass Aspheric Lenses; EFL=4 mm; NA=0.6 AR 350-700nm

357775-A 6.325 mm Dia. D-LAK6 Molded Glass Aspheric Lenses; EFL=4 mm; NA=0.6 AR 350-700nm

Type
Lens
Subtype
Aspheric Lens
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
6.33 mm
EFL
4 mm
R1
R2
-2.86 mm

Material

Name
D-LAK6
Dispersion Equation
Sellmeier
n (λ)
1.715324030832934
λ
408 nm
B1
0.477723115
C1
0.0226962287 μm2
B2
1.33623366
C2
0.00659605302 μm2
B3
1.22543438
C3
94.2027569 μm2

357775-A 6.325 mm Dia. D-LAK6 Molded Glass Aspheric Lenses; EFL=4 mm; NA=0.6 AR 350-700nm

The 357775-A is a high-quality aspheric lens from Thorlabs, designed with a 6.325 mm diameter and a focal length of 4 mm. This lens is made from D-LAK6 glass, a molded glass material known for its excellent optical properties. The lens features an anti-reflective (AR) coating that covers the wavelength range of 350-700nm, providing improved transmission and reduced reflection.

The aspheric design of this lens helps to minimize spherical aberration, a common issue in traditional spherical lenses. This is achieved through the precise shaping of the lens, which allows for a more complex curve that can focus light more accurately. The lens has a numerical aperture (NA) of 0.6, indicating a wide acceptance angle and high light-gathering capability.

The lens has a center thickness of 2.898 mm and an edge thickness of 1.59 mm, providing robustness and durability. The front and back surfaces of the lens are coated with the same AR coating, ensuring optimal performance from both sides.

This lens is ideal for use in a variety of applications, including imaging systems, beam shaping, and laser applications. With its high-quality construction, advanced design, and wide range of usability, the 357775-A is a reliable choice for any optical system.

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