Analysis of wavefront errors introduced by encoding computer-generated holograms

Wenrui Cai, Ping Zhou, Chunyu Zhao, James H. Burge

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

The fabrication of computer-generated holograms (CGH) by e-beam or laser-writing machine specifically requires using polygon segments to approximate the continuously smooth fringe pattern of an ideal CGH. Wavefront phase errors introduced in this process depend on the size of the polygon segments and the shape of the fringes. In this paper, we propose a method for estimating the wavefront error and its spatial frequency, allowing optimization of the polygon sizes for required measurement accuracy. This method is validated with computer simulation and direct measurements from an interferometer.

Original languageEnglish (US)
Pages (from-to)8324-8331
Number of pages8
JournalApplied optics
Volume52
Issue number34
DOIs
StatePublished - Dec 1 2013

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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