Focusing Lens, Plano-Convex, 38.1 mm, UVFS, 50 mm EFL, Uncoated

The 41540 Focusing Lens is used to focus a collimated beam from a light source onto a fused silica fiber. This 1.5 inch (38.1 mm) diameter plano-convex lens is made with High purity UV grade fused silica. It has a 50 mm focal length and a 190 to 2500 nm range.

Specifications

Technical Specs

Lens Shape
Plano-Convex
Diameter
38.1 mm
Lens Material
UV Fused Silica
Antireflection Coating
Uncoated
Surface Quality
60-40 scratch-dig
F/#
1.3
Effective Focal Length (EFL)
50.0 mm
Back Focal Length (BFL)
41.7 mm
Edge Thickness (Te)
1.9 mm
Center Thickness (Tc)
12.1 mm

Principal Plane 2 (P2)
-8.3 mm
Design Wavelength
589 nm
Centration
3 arc min
Focal Length Tolerance
±2 %
Diameter Tolerance
+0/-0.25 mm
Center Thickness Tolerance
±0.25 mm
Clear Aperture
≥central 90% of diameter

Lens Shape
Plano-Convex
Diameter
38.1 mm
Lens Material
UV Fused Silica
Antireflection Coating
Uncoated
Surface Quality
60-40 scratch-dig
F/#
1.3
Effective Focal Length (EFL)
50.0 mm
Back Focal Length (BFL)
41.7 mm
Edge Thickness (Te)
1.9 mm
Center Thickness (Tc)
12.1 mm

Principal Plane 2 (P2)
-8.3 mm
Design Wavelength
589 nm
Centration
3 arc min
Focal Length Tolerance
±2 %
Diameter Tolerance
+0/-0.25 mm
Center Thickness Tolerance
±0.25 mm
Clear Aperture
≥central 90% of diameter

Resources & Downloads

Other

41540 RoHS Certificate(265.9 kB, PDF)
41540_ROHS2-2021.pdf(280.9 kB, PDF)

2D Product Drawings

PLANOCO1 VEX-S(89.6 kB, PDF)

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