Plano concave cylindrical lens features

A plano-concave cylindrical lens is a type of lens widely used in optical systems, with the following characteristics:

1. Shape Characteristics

   • The plano-concave cylindrical lens has one flat surface and one concave surface, allowing it to scatter light in one direction.
   • The lens has cylindrical curvature, typically along one axis (usually the X or Y axis), making it ideal for altering the light path in only one direction.

2. Light Divergence Effect

   • The plano-concave cylindrical lens is primarily used for single-axis defocusing, expanding parallel light into divergent light in one direction.
   • It is suitable for systems requiring linear focusing, where it can extend a point source into a line source along a single axis.

3. Application Scenarios

   • Commonly used in laser diode collimation, spectrometers, scanning systems, and optical imaging systems.
   • It is also widely applied in fields such as optical measurement, optical data processing, medical instruments, and laser scanners.

4. Materials and Coatings

   • Plano-concave cylindrical lenses are usually made from optical glass or other high-transmission materials, ensuring good transmission within the required wavelength range.
   • Anti-reflective coatings can be applied as needed to reduce light reflection and loss, enhancing the optical efficiency of the lens.

This type of lens is ideal for shaping light beams along a single axis and plays an essential role in laser beam shaping and linear light source projection.