What Is a Cylindrical Lens?
A cylindrical lens is an optical component that focuses or expands light in one direction. Unlike a spherical lens, it has optical power along one principal axis. This property allows the lens to form a line focus or change the shape of a light beam.
Cylindrical lenses are commonly used in optical measurement, machine vision, imaging equipment, and laser optics. The right lens design depends on the required focal length, beam shape, working distance, and optical layout.
Cylindrical Lens Specifications
| Material | Fused Silica |
| Surface Quality | 60-40 |
| CT | 1.5mm |
Picture of Cylindrical Lens
Video of Optical Cylindrical Lens
Key Features of Cylindrical Optical Lenses
One Dimensional Light Focusing
A cylindrical lens focuses light along a single axis. Therefore, it can create a line-shaped focal region instead of a point focus.
Flexible Optical Configurations
Plano convex and plano concave cylindrical lenses provide different optical effects. The appropriate shape depends on whether the system needs light convergence, divergence, or beam shaping.
Multiple Material Options
Material selection depends on the operating wavelength, transmission requirements, and environmental conditions. In addition, suitable coatings can be considered when required.
Adaptable Dimensions and Optical Parameters
Diameter, length, thickness, focal length, and tolerances can be specified for different optical assemblies. This flexibility helps the cylindrical lens fit the intended optical design.
How Does a Cylindrical Lens Work?
A cylindrical lens has curvature along one principal direction and little or no optical power along the perpendicular direction. As a result, it changes the light distribution in one dimension while preserving a different distribution along the other axis.
Depending on the lens shape and orientation, it can focus a beam into a line, expand a narrow beam, or correct an optical image in one direction. Proper alignment is important for achieving the intended optical result.
Applications of Cylindrical Lenses
- Machine vision: Line illumination and optical inspection systems.
- Optical measurement: Light distribution control in measurement equipment.
- Laser optics: Beam shaping and line generation in suitable optical setups.
- Imaging systems: One dimensional image correction and optical signal processing.
- Laboratory equipment: Experimental optical systems and light path control.
- Optical instruments: Integration into assemblies that require directional focusing.
How to Choose the Right Cylindrical Lens
Choosing a suitable cylindrical lens starts with the optical system requirements. Consider the following parameters before placing an order.
- Required focal length and optical power.
- Plano convex or plano concave lens configuration.
- Lens material and operating wavelength.
- Physical dimensions and installation space.
- Surface quality, dimensional tolerances, and coating requirements.
- Beam size, working distance, and intended optical function.
For this reason, an optical drawing or a detailed specification list is helpful when selecting or developing a cylindrical lens.
Cylindrical Lens Manufacturing and Customization
VY Optics provides optical component manufacturing based on customer drawings and technical requirements. Available design options depend on the selected material, lens geometry, dimensions, and production feasibility.
Customers can submit drawings or provide the required focal length, size, material, coating, and tolerance information. Our team can then review the specifications and recommend a suitable manufacturing approach.
Frequently Asked Questions
What is the main function of a cylindrical lens?
Its main function is to focus, expand, or shape light in one dimension. It is often used to produce a line focus or control the width of a light beam.
What is the difference between a cylindrical lens and a spherical lens?
A cylindrical lens has optical power mainly along one principal axis. A spherical lens generally focuses or diverges light in both transverse directions.
What is the difference between plano convex and plano concave cylindrical lenses?
A plano convex cylindrical lens is generally used for converging light in one direction. A plano concave cylindrical lens is generally used for diverging light in one direction.
Can cylindrical lenses be supplied with optical coatings?
Coating options depend on the substrate, operating wavelength, and required optical performance. Please provide your coating specifications for evaluation.
Can I order cylindrical lenses according to a drawing?
Yes. VY Optics can review drawings and technical specifications to assess manufacturing options. Please provide the dimensions, focal length, material, tolerances, and coating requirements for a more accurate quotation.
Why Choose VY Optics?
VY Optics works with optical components, lens manufacturing, and optical assembly requirements. We support specification review and production planning for different cylindrical lens designs.
Contact us with your drawings or optical parameters to discuss suitable cylindrical lens options for your project.
