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23-865 25mm Dia. Fused Silica Precision Laser Aspheric Lens; EFL=75mm; NA=0.16 Laser V-Coat 532nm

23-865 25mm Dia. Fused Silica Precision Laser Aspheric Lens; EFL=75mm; NA=0.16 Laser V-Coat 532nm

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

Properties

Shape
Circular
Diameter
25 mm
EFL
75 mm
BFL
70.9 mm
R1
35.71 mm
R2

Material

Name
Fused Silica
Dispersion Equation
Sellmeier
n (λ)
1.4760718803801622
λ
355 nm
B1
0.6961663
C1
0.00467914825849 μm2
B2
0.4079426
C2
0.013512063073959999 μm2
B3
0.8974794
C3
97.934002537921 μm2

23-865 25mm Dia. Fused Silica Precision Laser Aspheric Lens; EFL=75mm; NA=0.16 Laser V-Coat 532nm

This is the 23-865 model from Edmund Optics, a 25mm diameter Fused Silica Precision Laser Aspheric Lens, specifically designed for use with a 532nm wavelength and featuring a Laser V-Coat. The lens boasts an effective focal length (EFL) of 75mm and a numerical aperture (NA) of 0.16, making it ideal for high-precision laser applications.

The lens's geometry is optimized for performance, with an inner radius of 0mm, an outer radius of 0mm, a thickness at the edge of 3.78mm, and a center thickness of 5.5mm. The front and back surfaces are coated with the edm las v-coat 532, ensuring durability and efficiency in light transmission.

The lens's asphere is defined by a conic constant of -0.668 and a parabolic coefficient of 0. The front surface has a radius of curvature (R1) of 35.707mm, while the back surface (R2) is planar. The back focal length (BFL) is 70.9mm.

The lens is available in a circular shape, and the front and back surfaces are coated with the same edm las v-coat 532 for consistent performance. The lens is currently in stock, according to the vendor's website.

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