17 May 2016 An underwater chaotic lidar sensor based on synchronized blue laser diodes
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Abstract
We present a novel chaotic lidar system designed for underwater impulse response measurements. The system uses two recently introduced, low-cost, commercially available 462 nm multimode InGaN laser diodes, which are synchronized by a bi-directional optical link. This synchronization results in a noise-like chaotic intensity modulation with over 1 GHz bandwidth and strong modulation depth. An advantage of this approach is its simple transmitter architecture, which uses no electrical signal generator, electro-optic modulator, or optical frequency doubler.
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Luke K. Rumbaugh, Kaitlin J. Dunn, Erik M. Bollt, Brandon Cochenour, William D. Jemison, "An underwater chaotic lidar sensor based on synchronized blue laser diodes", Proc. SPIE 9827, Ocean Sensing and Monitoring VIII, 98270I (17 May 2016); doi: 10.1117/12.2224498; https://doi.org/10.1117/12.2224498
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