Wavefront curvature sensing based on diffraction grating and fractional fourier transforms

Banghe Zhu, Akira Shirakawa, Mitsuru Musha, Ken Ichi Ueda, Kevin D. Cole

Research output: Contribution to journalArticle

Abstract

We propose a new concept for wavefront curvature sensing, which is based on diffraction grating and fractional Fourier transforms systems. An explicit formula is derived expressing the wavefront curvature, and the wavefront shape can also be retrieved rapidly. The experimental setup is presented and numerical simulations show the validity of the proposed method.

Original languageEnglish (US)
Pages (from-to)344-347
Number of pages4
JournalOptical Review
Volume11
Issue number5
DOIs
StatePublished - Sep 2004

Keywords

  • Adaptive optics
  • Diffraction and gratings
  • Fractional Fourier transforms
  • Optical sensing

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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