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Journal ArticleDOI

Metrical Fundamentals of Underwater Lens System

Gomer T. McNeil
- 01 Apr 1977 - 
- Vol. 16, Iss: 2, pp 128-139
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TLDR
In this paper, the metrical fundamentals of underwater lens system are presented for an object space of water and an image space of air, which are associated with the recording phase and are applicable for both object and image spaces.
Abstract
Presentation of the metrical fundamentals of underwater lens system that are associated with the recording phase and are applicable for an object space of water and an image space of air. The metrical fundamentals are presented for cardinal points; dome window ; air lens; lens system as combination of dome window and air lens; water refractive index as a function of wavelength, temperature, salinity, and pressure; water depth and pressure relationship ; and water refractive indexes versus lens system parameters, nodal image distances, and back focal distances in the form of tables for the C201 ELCAN lens.

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Optical properties of pure water

TL;DR: In this paper, the scattering of pure water is recalculated using the Einstein-Smoluchowski equation and the input for this equation is evaluated and the temperature dependency is included.
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Empirical equation for the index of refraction of seawater

TL;DR: An empirical equation for the index of refraction of water as a function of temperature, salinity, and wavelength at atmospheric pressure is determined and reproduces the original data to within its experimental errors.

The optical properties of pure water

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TL;DR: In this paper, the scattering of pure water is recalculated using the Einstein-Smoluchowski equation and the input for this equation is evaluated and the temperature dependency is included.
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Review of salinity measurement technology based on optical fiber sensor

TL;DR: A review of the salinity measurement technology based on the optical fiber sensor is presented in this article, where the authors compare the performance of various sensing structures and analyses the advantages and disadvantages of different sensors.
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Optical backscattering properties of the "clearest" natural waters

TL;DR: Morel et al. as mentioned in this paper used a ship profiler to measure the inherent optical properties from the surface to 500 m depth with a WET Labs ECO-BB3 sensor at 462, 532, and 650 nm with estimated uncertainties of 2×10-5, 5 × 10-6, and 2 ×10-6 m−1 sr−1.
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