Simple empirical model of the oceanic point spread function

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The point spread function (PSF) is an important property for predicting beam propagation and imaging system performance. Measurements of the PSF in three different locations (Pacific Ocean, Tongue of theOcean, and Sargasso Sea) are presented. These measurements are used to validate extensive laboratorymeasurements [S. Q. Duntley, “Underwater Lighting by Submerged Lasers and Incandescent Sources,” SIORef. 71-1, Scripps Institution of Oceanography, U. California, San Diego (1971)]. In all three locations asimple exponential expression describes the angular variation of the PSF in the 4-100-mrad range. Theexponent in this relationship has a simple location specific dependence on attenuation length and the ratio ofthe absorption to beam attenuation coefficient. These relationships can be used to predict the PSF for anarbitrary path length.

Original languageEnglish (US)
Pages (from-to)2647-2651
Number of pages5
JournalApplied Optics
Volume30
Issue number18
DOIs
StatePublished - Jun 20 1991

Fingerprint

Optical transfer function
point spread functions
Sargasso Sea
oceanography
Oceanography
tongue
Pacific Ocean
attenuation coefficients
Imaging systems
illuminating
Light sources
Lighting
attenuation
propagation
Lasers
lasers

Keywords

  • Light scattering
  • Ocean optics
  • Point spread function

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Simple empirical model of the oceanic point spread function. / Voss, Kenneth.

In: Applied Optics, Vol. 30, No. 18, 20.06.1991, p. 2647-2651.

Research output: Contribution to journalArticle

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