Journal
ADVANCES IN OPTICS AND PHOTONICS
Volume 7, Issue 3, Pages 570-631Publisher
OPTICAL SOC AMER
DOI: 10.1364/AOP.7.000570
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Funding
- Australian Research Council [DP 120 103703]
- European Cooperation in Science and Technology (COST) Action [BM1205]
- Queensland Government's Smart Futures Fellowships program
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This tutorial presents a guided tour of laser feedback interferometry, from its origin and early development through its implementation to a slew of sensing applications, including displacement, distance, velocity, flow, refractive index, and laser linewidth measurement. Along the way, we provide a step-by-step derivation of the basic rate equations for a laser experiencing optical feedback starting from the standard Lang and Kobayashi model and detail their subsequent reduction in steady state to the excess-phase equation. We construct a simple framework for interferometric sensing applications built around the laser under optical feedback and illustrate how this results in a series of straightforward models for many signals arising in laser feedback interferometry. Finally, we indicate promising directions for future work that harnesses the self-mixing effect for sensing applications. (C) 2015 Optical Society of America
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