Cylindrical lenses are mainly used for shaping point light sources or collimated beams in one dimension, enabling directional control of light beams. They are suitable for various precision optical scenarios: when used in combination, they can shape distorted beams; when used alone, plano-convex cylindrical lenses meet one-dimensional magnification requirements, while concave cylindrical lenses and general-purpose cylindrical lenses can convert collimated laser beams into line beams.

To optimize optical performance and reduce spherical aberration, the incident method should be selected based on beam control requirements:

• When converging collimated beams into a line, the collimated light should enter through the lens' curved surface.

• When collimating a line light source, the line light source should be incident on the lens' flat surface.

• When diverging beams, the concave surface of the concave cylindrical lens should face the light source.

Cylindrical lenses are widely used in scenarios such as fluorescence microscopes, laser beam shaping detection, and spectral analysis. Substrate materials can be N-BK7 glass or UV fused silica. All materials support customization options of uncoated or anti-reflective (AR) coated to meet different application requirements.

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