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69-342 12.0mm Dia. x 72.0mm FL; Plano-Convex Lens Laser V-Coat 405nm

69-342 12.0mm Dia. x 72.0mm FL; Plano-Convex Lens Laser V-Coat 405nm

Type
Lens
Subtype
Spherical Lens (Plano-Convex)
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
12 mm
EFL
72 mm
BFL
70.42 mm
R1
37.21 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5301959309359068
λ
405 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

69-342 12.0mm Dia. x 72.0mm FL; Plano-Convex Lens Laser V-Coat 405nm

The 69-342 is a Plano-Convex spherical lens, sourced from Edmund Optics, with a diameter of 12.0mm and a focal length of 72.0mm. This lens is designed for use with a wavelength of 405nm, making it suitable for applications such as laser systems and bio-imaging.

The lens is made from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low auto-fluorescence. This makes it an ideal choice for applications that require high light transmission and low background noise.

The lens features a Laser V-Coat 405nm coating on both the front and back surfaces. This coating is designed to enhance the lens's performance in laser applications, providing improved damage threshold, higher laser-induced damage (LID) resistance, and better spectral performance.

The geometry of the lens includes a thickness of 1.91mm at the edge and 2.4mm at the center. The lens's effective focal length (EFL) is 72.0mm, and the back focal length (BFL) is 70.42mm. The lens has no inner or outer radius, indicating a uniform curvature.

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