DESCAN COMPENSATION IN SAMPLING LIDAR
DE602019083686T2Active Publication Date: 2026-04-15AEVA INC
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Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2019-09-20
- Publication Date
- 2026-04-15
AI Technical Summary
Technical Problem
Conventional LIDAR systems suffer from signal degradation due to angular walk-off of target signals at high scanning mirror velocities, especially in single-mode fibers, limiting their measurement range and efficiency.
Method used
The system employs frequency modulation and coherent detection with polarized light separation, using a quarter wave plate to separate optical detection from the primary source fiber, allowing larger optical detectors and minimizing optical losses.
Benefits of technology
This approach enhances measurement range and immunity to crosstalk, improving framerate and detection capabilities while maintaining compactness and stability in varying environmental conditions.
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