Spectral Decomposition of Aberrated Wavefronts from Actuated Micromirrors

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Aberrated optics degrade the cavity finesse and point spread function of any optical system. It is frequently overlooked that the phase errors of these aberrations cause characteristic spectral features that can be observed and measured by an optical cavity. A general theory of the spectral decomposition of aberrations is developed and applied to an electrically deformable membrane feeding a high-finesse resonator. The micromirror, which consists of a 1 cm metallized SiNx electrostatically-Actuated membrane with phase offsets of about 1.5μm, leads to optical power being distributed to over twenty higher-order Laguerre-Gaussian cavity modes.

Original languageEnglish (US)
Title of host publicationInternational Conference on Optical MEMS and Nanophotonics, OMN 2018 - Proceedings
PublisherIEEE Computer Society
ISBN (Print)9781509063727
DOIs
StatePublished - Sep 4 2018
Event23rd International Conference on Optical MEMS and Nanophotonics, OMN 2018 - Lausanne, Switzerland
Duration: Jul 29 2018Aug 2 2018

Publication series

NameInternational Conference on Optical MEMS and Nanophotonics
Volume2018-July
ISSN (Print)2160-5033
ISSN (Electronic)2160-5041

Other

Other23rd International Conference on Optical MEMS and Nanophotonics, OMN 2018
CountrySwitzerland
CityLausanne
Period7/29/188/2/18

Keywords

  • Gaussian beam mode analysis
  • Optical resonators
  • aberrations
  • microelectromechanical systems

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