Email Us

Applications of Powell Lens

Table of Content [Hide]

    In laser processing, machine vision, and 3D sensing, transforming a laser beam into a uniform line spot is critical for system performance. The Powell Lens, with its unique beam-shaping capability, has become the ideal solution for industrial line laser generation.


    1. Laser Processing & Industrial Manufacturing


    (1)Laser Cutting/Welding


    • Application: Converts Gaussian beams into uniform line lasers for consistent processing.

    • Advantages:Intensity uniformity >90%, avoiding uneven cutting edges.

    • Supports high power (up to 500W with ZnSe material).


    (2)Laser Marking


    • Application: Generates high-precision line spots for serial number marking.

    • Case Study: Battery tab marking with ±0.05mm line width control.


    2. Optical Measurement & Sensing


    (1)3D Structured Light Scanning


    • Application: Face recognition, industrial part 3D modeling.

    • Advantage: Sharper line edges (edge steepness <5%) compared to cylindrical lenses.


    (2)LiDAR


    • Application: Homogenizes LiDAR scan lines for better SNR.

    • Custom Option: 905nm/1550nm wavelength designs.


    3. Biomedicine & Research


    (1)Flow Cytometry


    • Application: Excites fluorescent labels with linear spots to reduce cell-counting errors.

    • Specs: UV-grade (355nm) fused silica lens, >99% transmittance.


    (2)Confocal Microscopy


    Application: Line-scan imaging, 10x faster than point scanning.


    4. Consumer Electronics & Display


    (1)AR/VR Optical Modules


    • Application: Line spot generation for laser beam scanning (LBS) projection.

    • Trend: Ultra-thin Powell Lenses (<1mm) for folded optics.


    (2)Laser TV


    Application: Speckle reduction for uniform DMD chip illumination.


    5. Future Trends


    • Freeform Powell Lenses: For non-linear scans (e.g., curved lines).

    • MEMS Integration: Dynamic line length adjustment (patented).


    Conclusion


    From micron-scale cell analysis to kilometer-range LiDAR, the Powell Lens enables “high uniformity, low distortion” beam shaping, making it the “beam magician” of modern optoelectronics.

    References