Cylindrical Glass Lenses for Laser Line Generation

* Illustrative image for reference only. Actual product appearance and specifications may vary by manufacturer.

Optical Lenses Laser & Machine Vision

Cylindrical Glass Lenses for Laser Line Generation

Cylindrical glass lenses from Chinese optical manufacturers: plano-convex and meniscus cylinders in BK7/fused silica, fanning a laser point into a uniform line for machine vision, 3D scanning and levelers.

Function:
Power in one axis only — converts a collimated laser point into a fan beam / line
Materials:
BK7/H-K9L, fused silica for high-power or UV duty
Forms:
Plano-convex, bi-convex and meniscus cylinders; rod lenses for cross-line duty

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Product Overview

A cylindrical lens carries optical power in one axis only: it spreads a collimated laser beam into a fan while leaving the orthogonal axis untouched, turning a point source into a working line. That single function sits inside laser line projectors, machine-vision illumination, structured-light 3D scanners, laser levels and barcode engines. Cylinders are specified exactly like spherical lenses — same material families (BK7 for visible duty, fused silica for UV or high power), same scratch-dig and figure tiers (60-40/λ/4 commercial through 10-5/λ/10 laser grade) — plus the cylindrical axis tolerances that matter only here. One honest design note belongs in every line-generator specification: the cylinder is rarely the whole uniformity story. Uniform-intensity lines typically pair the cylinder with fast-axis collimation or a Powell-type element, so suppliers should review the beam-shaping stack, not just the single lens drawing, before quoting.

OEM & Customization Capabilities

  • Stack Review – complete beam-shaping assemblies specified for line length, width and uniformity targets.
  • Both Axes Controlled – cylindrical figure and wedge measured and certified per element.
  • AR & High-Power Options – BBAR coatings and silica conversion for power-handling upgrades.

Industry Applications

  • Optical Lenses
  • Laser & Machine Vision

Technical Specifications

FunctionPower in one axis only — converts a collimated laser point into a fan beam / line
MaterialsBK7/H-K9L, fused silica for high-power or UV duty
FormsPlano-convex, bi-convex and meniscus cylinders; rod lenses for cross-line duty
Axial SpecsSame surface-quality and figure tiers as spherical lenses (60-40 to 10-5, λ/4 to λ/10)
Design NoteLine uniformity depends on the full beam-shaping stack (cylinder + fast-axis collimator/Powell-type element as applicable)
ApplicationMachine-vision line illumination, laser levels, 3D scanning, barcode readers
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