Parallel acquisition of multiple images using coherence gating in off-axis dark-field digital holographic microscope for semiconductor metrology

C. Messinis*, T. T.M. van Schaijk, V. T. Tenner, J. F. de Boer, S. Witte, A. J. den Boef

*Corresponding author for this work

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Abstract

We present an Off-Axis dark-field digital holographic microscope capable of parallel acquisition of multiple holograms. With this microscope we aim to measure overlay (OV) with sub-nanometer precision and milli-second acquisition times over large wavelength range.

Original languageEnglish
Title of host publicationProceedings Imaging and Applied Optics Congress
Subtitle of host publicationComputational Optical Sensing and Imaging
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
Publication statusPublished - 2020
EventComputational Optical Sensing and Imaging, COSI 2020 - Part of Imaging and Applied Optics Congress 2020 - Virtual, Online, United States
Duration: 22 Jun 202026 Jun 2020

Publication series

NameOptics InfoBase Conference Papers

Conference

ConferenceComputational Optical Sensing and Imaging, COSI 2020 - Part of Imaging and Applied Optics Congress 2020
Country/TerritoryUnited States
CityVirtual, Online
Period22/06/2026/06/20

Bibliographical note

Publisher Copyright:
© 2020 The Author(s)

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