Rayleigh Range Rayleigh range, also known as the depth of field, is a parameter in laser optics that describes the distance over which a laser beam remains approximately collimated or focused to a small spot size. In laser engraving, the Rayleigh range represents the region where the laser beam maintains its optimal focus and intensity, allowing for precise and uniform engraving on the workpiece surface.
Beyond the Rayleigh range, the laser beam diverges, resulting in increased spot size and reduced engraving resolution. Rayleigh range calculations are essential for determining engraving parameters, such as focal length and working distance, to achieve optimal focus and engraving quality across different materials and surface geometries. |
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