Patently the undersea world contains a wealth of images that exist in a spatial reality that is somewhat different from land-based and air-based vistas. Needed are special optics to see things with clarity in an underwater environment.
Optical Systems not Immersed in Air
Underwater optics is the study of how light interacts with water and the materials in it. It’s used in a variety of fields, including aquatic remote sensing, underwater imaging, etc.
Characteristics
- Ocean colour: The colour of water as seen from space, which is a key theme in ocean optics
- Underwater imaging: The use of optical methods to capture images of underwater environments
- Underwater communications: Use of optical methods to transmit information underwater
- Ocean chemistry: The use of optical methods to study the chemistry of the ocean
- Particle size: The use of optical methods to study the size of particles in the water
Challenges
- Light scattering: Light scattering can limit the quality of underwater images
- Light absorption: The amount of light that reaches the receiving sensor may be too small to detect
- Dynamic underwater environment: The underwater environment is constantly changing, which can make it difficult to create adaptable and robust solutions
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