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<p>Digital micromirror devices (DMDs) are a popular choice for wavefront-shaping applications. We describe the restructuring of commercial digital light projectors to utilise their DMD for consistently replicable and budget-friendly diffraction and wavefront-shaping application experiments. Techniques for validating the optical parameters of DMDs are described. The experimental validation of the concept of the Fresnel zone plate using the set-up is discussed. We verified the experimental and simulated reconstruction of two dots and their Fourier transforms. We also describe the generation of orbital angular momentum states of light using the experimental set-up.</p>

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Experimental optical wavefront manipulation using restructured DMD devices

  • 期刊论文

  • 发表日期：

    2026年5月7日

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  • T Gadha,
  • Abhijith C Preej,
  • H Adithyan,
  • K Vaishnav Raj,
  • Jerin Thomas,
  • Abhishek Rhisheekesan,
  • Dennis Thomas,
  • A V Pradeep,
  • Jijo Pulickiyil Ulahannan,
  • Sajeev Damodarakurup

摘要

Digital micromirror devices (DMDs) are a popular choice for wavefront-shaping applications. We describe the restructuring of commercial digital light projectors to utilise their DMD for consistently replicable and budget-friendly diffraction and wavefront-shaping application experiments. Techniques for validating the optical parameters of DMDs are described. The experimental validation of the concept of the Fresnel zone plate using the set-up is discussed. We verified the experimental and simulated reconstruction of two dots and their Fourier transforms. We also describe the generation of orbital angular momentum states of light using the experimental set-up.