基于双螺旋阵列的光场任意角向调控

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Abstract： Optical field manipulation， an emerging frontier in photonics， demonstrates significant potential in biomedical microscopy， quantum state engineering， and micro-nano fabrication. To address the critical limitations current optical modulation technologies in achieving full-arameter precision control， we proposed a novel approach for dynamic azimuthal optical field modulation based on dual-spiral arrays. By designing spatially interleaved spiral structures with diferent initial radii while maintaining identical periodic parameters， we achieved continuous optical modulation spanning the full 0-2π range in azimuthal field distribution. Through rigorous numerical simulations， we systematically established a quantitative correlation between the structural parameters and azimuthal optical field patterns，revealing，for the first time，a quasi-linear relationship between the radius difference and the resultant optical distribution. This theoretical framework advances our fundamental understanding structured optical field manipulation as well as provides a new paradigm for programmable photonic device design， with distinct technical advantages in super-resolution imaging and optical tweezer systems.

Keywords： optical manipulation; topological charge;spiral array

摘要：光场调控作为现代光子学的前沿研究方向，在生物医学显微成像、量子态操控及微纳制造等领域展现出重要应用价值。（剩余26433字）