A plano-convex cylindrical lens has curvature in the vertical direction like a convex lens, but no curvature in the horizontal direction. It is used to magnify a light beam in a single direction, for example, transforming a laser beam into a line or sheet of light, or changing the height of an image without altering its width.
Asymmetric Focusing: A plano-convex cylindrical lens can focus light in one direction (the direction of the cylindrical curvature), while light propagation in the perpendicular direction remains unaffected.
Linear Focusing: The lens focuses light to form a line rather than a point, which is very useful for applications requiring linear light sources.
Custom Design: Plano-convex cylindrical lenses can be designed with different curvatures and sizes according to specific application requirements to achieve the desired optical effect.
The unique optical properties of plano-convex cylindrical lenses make them widely applicable in various fields:
1. Laser Systems: Used to adjust the shape of laser beams, converting circular laser beams into linear ones for applications such as laser cutting and laser marking.
2. Optical Scanning: Employed in barcode scanners and other optical scanning devices to generate linear beams, thereby improving scanning efficiency.
3. Lighting Design: Used in specific lighting applications to create light spots of particular shapes, such as linear illumination.
4. Optical Testing and Measurement: Utilized in optical measurement equipment to focus or diffuse light, achieving the desired testing or measurement effects.
Specifications | Commercial spec. | High precision spec. |
Material | UV glass (quartz, fused silica） | |
VIS glass (Schott, CDGM, HOYA, etc.) | ||
Dimension | 5mm~350mm | |
Dimension tolerance | ±0.1mm | ±0.05mm |
Focal length tolerance | ±2% | ±1% |
Surface quality | 60/40 | 40/20 |
Centration | < 3 arc min | <1arc min |
Surface figure | 3λ | 2λ |
Surface irregularity | 1/4λ | 1/10λ |
Clear aperture | >85% of dim | >90% of dim |
Bevel | <0.2mm x 45deg | <0.1mm x 45deg |
Coating | Up on clients’ request | |
Type No. | Diameter | Focal length | Edge thickness | Center thickness | Back focal length | Radius of curvature |
A*B( mm) | f( mm) | Te( mm) | Tc( mm) | fb( mm) | r( mm) | |
PCXC-10R10-15 | 10×10 | 15 | 2.2 | 4.0 | 12.4 | 7.79 |
PCXC-15R15-20 | 15×15 | 20 | 1.8 | 5.0 | 16.7 | 10.38 |
PCXC-16R18-19 | 16×18 | 19 | 2.0 | 6.1 | 14.96 | 9.81 |
PCXC-20R20-25 | 20×20 | 25 | 2.3 | 7.0 | 20.4 | 12.98 |
PCXC-20R30-100 | 20×30 | 100 | 3.0 | 4.0 | 97.4 | 51.90 |
PCXC-20R40-150 | 20×40 | 150 | 3.4 | 4.0 | 147.4 | 77.85 |
PCXC-30R30-80 | 30×30 | 80 | 2.2 | 5.0 | 76.7 | 41.52 |
PCXC-30R40-100 | 30×40 | 100 | 2.8 | 5.0 | 96.7 | 51.90 |
PCXC-30R100-200 | 30×100 | 200 | 3.9 | 5.0 | 196.7 | 103.80 |
Imaging and Focusing:
Plano-convex cylindrical lenses can be used for imaging and focusing. They can converge images to a point or make images clearer, reducing blur and distortion, and are widely used in devices such as telescopes, microscopes, and cameras. Additionally, plano-convex cylindrical lenses can focus light into a beam, used in devices like lasers and LED lights.
Illumination:
In lighting design, plano-convex cylindrical lenses can disperse and scatter light, creating brighter and more uniform light sources, suitable for streetlights, car lights, flashlights, and other devices.
Laser Systems:
Plano-convex cylindrical lenses are commonly used in laser systems to convert circular laser beams into linear laser beams, used in applications like laser cutting and laser marking. They can also be used to adjust the shape of laser beams, achieving collimation and circularization of laser diodes.
Optical Scanning:
In barcode scanners and other optical scanning devices, plano-convex cylindrical lenses are used to generate linear beams, improving scanning efficiency.
Scanning and Imaging Systems in Movie Projection, Fax Machines, and Printing:
In these systems, plano-convex cylindrical lenses are used for line focusing and scanning imaging, improving image quality.
Medical Field:
In medical devices such as endoscopes and laparoscopes, plano-convex cylindrical lenses are used for image focusing and clarity adjustment.
Automotive Video Systems:
In automotive video systems, plano-convex cylindrical lenses are used to improve the quality and clarity of video images.
Linear Detector Illumination:
In fields like barcode scanning, holographic lighting, and optical information processing, plano-convex cylindrical lenses are used for the illumination and beam shaping of linear detectors.
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