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Interferometric snapshot spectro-ellipsometry

  • Vamara Dembele
  • , Moonseob Jin
  • , Inho Choi
  • , Won Chegal
  • , Daesuk Kim*
  • *Corresponding author for this work
  • Jeonbuk National University
  • Korea Research Institute of Standards and Science

Research output: Contribution to journalJournal articlepeer-review

Abstract

We propose a snapshot spectroscopic ellipsometry and its applications for real-time thin-film thickness measurement. The proposed system employs an interferometric polarization-modulation module that can measure the spectroscopic ellipsometric phase for thin-film deposited on a substrate with a measurement speed of around 20 msec. It requires neither moving parts nor time dependent modulation devices. The accuracy of the proposed interferometric snapshot spectro-ellipsometer is analyzed through comparison with commercial equipment results.

Original languageEnglish
Pages (from-to)1333-1341
Number of pages9
JournalOptics Express
Volume26
Issue number2
DOIs
StatePublished - 2018.01.22

Quacquarelli Symonds(QS) Subject Topics

  • Physics & Astronomy

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