Low-coherence interferometry for phase-sensitive measurement of optical rotation

Chao J. Liu, Tianqi Li, Taner Akkin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We present phase-sensitive measurement of optical rotation using spectral-domain and time-domain low-coherence interferometry. The method utilizes two decorrelated polarization states and simultaneous dual-channel detection provided by polarization-maintaining fiber-based implementation. The sample is placed between polarization optics to control and switch left- and right-handed circular states that experience the sample in forward and backward directions. Phase difference between two interferometric signals yields the optical rotation. Results from glucose and fructose samples are presented for validation.

Original languageEnglish (US)
Pages (from-to)5893-5898
Number of pages6
JournalApplied Optics
Issue number20
StatePublished - Jul 10 2018

Bibliographical note

Funding Information:
Acknowledgment. The work was supported by the Graduate School Doctoral Dissertation Fellowship at the University of Minnesota (to C. J. L.).

Publisher Copyright:
© 2018 Optical Society of America

Copyright 2018 Elsevier B.V., All rights reserved.

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