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Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
Published on: January 15, 2013
Phase-noise analysis of swept-source optical coherence tomography systems
Optics Letters
|April 1, 2017
Summary
We developed a new model to better understand phase noise in swept-source optical coherence tomography (SS-OCT). This model accounts for scanning variations, timing jitter, and sample position, improving SS-OCT designs.
Area of Science:
- * Optical Engineering
- * Biomedical Imaging
Background:
- * Phase noise is a critical factor affecting the performance of swept-source optical coherence tomography (SS-OCT).
- * Existing models often overlook key contributors to phase noise, limiting their predictive power.
Purpose of the Study:
- * To introduce a novel, comprehensive model for characterizing phase noise in SS-OCT.
- * To provide a framework for improving SS-OCT system design and performance.
Main Methods:
- * Development of a new mathematical model incorporating scanning variability, timing jitter, and sample location.
- * Validation of the model using Monte Carlo simulations.
- * Experimental verification of the model's predictions.
Main Results:
- * The proposed model accurately characterizes phase noise by including factors beyond simple intensity noise (shot noise).
- * Both simulation and experimental results confirm the model's validity and effectiveness.
Conclusions:
- * The new phase noise model offers a more complete understanding of SS-OCT limitations.
- * This model can serve as a valuable guideline for optimizing future SS-OCT experimental designs and applications.
