A 532 nm chaotic lidar transmitter for high resolution underwater ranging and imaging

A chaotic lidar transmitter based on an ultra-long cavity fiber laser is presented for underwater ranging and imaging applications. Experimental results show 150 mW continuous output power at 532 nm, with wideband (>3 GHz) chaotic intensity modulation. An incoherent digital receiver is used to sh...

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Bibliographic Details
Main Authors: Rumbaugh, Luke K., Bollt, Erik M., Jemison, William D., Yifei Li
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Chaos
Crystals
Distance measurement
Fiber lasers
Laser radar
Optical transmitters
Online Access:Request full text
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Summary:A chaotic lidar transmitter based on an ultra-long cavity fiber laser is presented for underwater ranging and imaging applications. Experimental results show 150 mW continuous output power at 532 nm, with wideband (>3 GHz) chaotic intensity modulation. An incoherent digital receiver is used to show a ranging accuracy of 1 cm in a water tank with a measurement-limited range resolution of ±4 cm. There is no range ambiguity because of the non-repeating nature of the chaotic signal.
ISSN:0197-7385
DOI:10.23919/OCEANS.2013.6740963