Range Gated Underwater Viewing

L. H. Gilligan

doi:10.1117/12.948639

16 December 1988 Range Gated Underwater Viewing

L. H. Gilligan

Proceedings Volume 0980, Underwater Imaging; (1988) https://doi.org/10.1117/12.948639
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

The major range limitation of artificially illuminated underwater television viewing systems is backscattered illuminant. For more than twenty-five years, experiments have been conducted to perform range-gating to defeat backscatter. Currently available off-the-shelf hardware makes the implementation of range-gated viewing much more practical than it was previously. This paper analyzes requisite system parameters and describes a developmental system employing a doubled Nd-YAG laser and a gated Intensified Charge Coupled Device (ICCD) camera.

Citation Download Citation

L. H. Gilligan "Range Gated Underwater Viewing", Proc. SPIE 0980, Underwater Imaging, (16 December 1988); https://doi.org/10.1117/12.948639

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