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, Luke K. Rumbaugh, Kaitlin J. Dunn, Kaitlin J. Dunn, Erik M. Bollt, Erik M. Bollt, Brandon Cochenour, Brandon Cochenour, William D. Jemison, 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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