Laser in underwater lidar application?

In summary, underwater lidar is a technology that uses laser beams to measure and map the underwater environment. It has a wide range of applications, including mapping, navigation, and marine research, and is also used in construction and maintenance projects and in the oil and gas industry. It differs from sonar in its use of laser beams instead of sound waves, providing higher resolution and the ability to operate in shallower waters. Laser beams have advantages such as a narrower beam width and longer range, but there are also challenges such as light absorption and interference. Additionally, underwater lidar systems can be expensive and require specialized training.
  • #1
vani
17
0
what can be the output beam diameter for microchip PULSED laser in underwater lidar application?
 
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  • #2
I do not think that an answer exits for the given information.
 
  • #3
It can be [itex]\pi/e[/itex].
It can be something else too.
 
  • #4
laser

what does e specify?e charge or exp const?
what type of polarization&output power for pulsed laser source can be used in lidar application under sea?
 

1. What is underwater lidar and how does it work?

Underwater lidar is a technology that uses laser beams to measure and map the underwater environment. The lidar system emits a laser beam that travels through the water and reflects off objects, then the reflected beam is detected and analyzed to create a 3D map of the area.

2. What are the main applications of underwater lidar?

Underwater lidar has a wide range of applications, including underwater mapping, navigation, marine research, and ocean exploration. It is also used in underwater construction and maintenance projects, as well as in the oil and gas industry for pipeline inspection.

3. How is underwater lidar different from sonar?

Underwater lidar and sonar both use sound waves to map the underwater environment, but they operate on different principles. Sonar uses sound waves that are transmitted through the water and bounce off objects, while lidar uses laser beams that reflect off objects. Lidar provides higher resolution images and can operate in shallower waters than sonar.

4. What are the advantages of using laser in underwater lidar?

Laser beams have several advantages in underwater lidar applications. They have a narrower beam width, allowing for higher resolution mapping. They also have a longer range and can penetrate clearer water than sound waves. Additionally, laser-based lidar systems are more accurate and have a faster data processing time.

5. What are the challenges of using laser in underwater lidar?

One of the main challenges of using laser in underwater lidar is the absorption and scattering of light in water. This can affect the accuracy and range of the lidar system. Another challenge is the potential interference from ambient light sources, such as sunlight, which can affect the detection of the laser beam. Additionally, underwater lidar systems can be expensive and require specialized training for operation and maintenance.

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