Super-resolved spatial light interference microscopy

Kaiqin Chu, Zachary J. Smith, Sebastian Wachsmann-Hogiu, Stephen Lane

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We report a scheme to achieve resolution beyond the diffraction limit in spatial light interference microscopy (SLIM). By adding a grating to the optical path, the structured illumination technique can be used to improve the resolution by a factor of 2. We show that a direct application of the structured illumination technique, however, has proved to be unsuccessful. Through two crucial modifications, namel y, one to the pupil plane of the objective and the other to the demodulation procedure, faithful phase information of the object is recovered and the resolution is improved by a factor of 2.

Original languageEnglish (US)
Pages (from-to)344-351
Number of pages8
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Issue number3
StatePublished - 2012

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Computer Vision and Pattern Recognition
  • Medicine(all)


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