Dispersion compensation technique for evident chromatic anomalies in ultrafast optical interferometry

Rishyashring R. Iyer; Lingxiao Yang; Janet E. Sorrells; Stephen A. Boppart

doi:10.1117/12.3000646

13 March 2024 Dispersion compensation technique for evident chromatic anomalies in ultrafast optical interferometry

Rishyashring R. Iyer, Lingxiao Yang, Janet E. Sorrells, Stephen A. Boppart

Proceedings Volume PC12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV; PC1287502 (2024) https://doi.org/10.1117/12.3000646
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

With the expanding utility of ultrafast sources for interferometric techniques like optical coherence tomography (OCT), we present a Dispersion Compensation Technique for Evident Chromatic Anomalies (DISCOTECA) as a universal solution to correct dispersion mismatch. We report a chromatic anomaly in the propagation of an ultrafast pulse through an interferometer beyond lower-order dispersions that worsens the axial resolution and causes image artifacts. We demonstrate the origin of these artifacts, explain our algorithm for the piecewise reconstruction and correction of the phase mismatch, and present a decision-making guide for interferometry with ultrashort sources. DISCOTECA corrects the artifacts from using ultrashort sources in OCT.

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Citation Download Citation

Rishyashring R. Iyer, Lingxiao Yang, Janet E. Sorrells, and Stephen A. Boppart "Dispersion compensation technique for evident chromatic anomalies in ultrafast optical interferometry", Proc. SPIE PC12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV, PC1287502 (13 March 2024); https://doi.org/10.1117/12.3000646

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KEYWORDS

Ultrafast phenomena

Optical interferometry

Colorimetry

Optical coherence tomography

Multiphoton microscopy

Quantum interferometry

Ultrafast imaging

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