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Measurement Technology, Precise Measurement


25

2023

-

09

The use of laser range finders for underground caves and mine depth measurements has many advantages.


Geological exploration refers to the scientific method of studying and detecting the structure, geological features and resource distribution within the earth. In geological exploration, laser rangefinders are a commonly used measurement tool to measure the depth of underground caves and mines.

Firstly, laser rangefinders make use of the properties of laser beams to carry out measurements. The laser beam is highly directional and monochromatic, allowing the distance between the ranging target and the rangefinder to be measured accurately. A laser rangefinder measures the distance between the target and the rangefinder by transmitting a laser beam, receiving the signal reflected back from the laser beam on the target, and calculating the distance between the target and the rangefinder based on the difference in time between the transmission and reception and the speed of light.

In underground cave exploration, laser rangefinders can be used to measure the depth of a cave. By placing the laser rangefinder at the entrance of the cave or extending a certain depth downward through the entrance of the cave, using the directionality and monochromaticity of the laser beam, the laser beam reflected from the ground or other reference objects at the bottom of the cave can be received back, and the depth of the cave can be calculated by measuring the time difference between the emission and reception of the laser beam as well as the magnitude of the speed of light.

In mine exploration, laser range finders can also be used to measure the depth of a mine. By placing the laser range finder at the entrance of the mine or extending a certain depth downward through the entrance, using the directionality and monochromaticity of the laser beam, the laser beam reflected from the ground or other reference objects at the bottom of the mine can be received back, and the depth of the mine can be calculated by measuring the time difference between the emission and reception of the laser beam and the size of the speed of light.

There are many advantages to using laser rangefinders for underground cave and mine depth measurements. Firstly, laser rangefinders have a high measurement accuracy of sub-millimetre levels, providing very precise measurements. Secondly, laser rangefinders are characterised by non-contact measurement, which does not require direct contact with the target and can avoid interference and errors in the measurement. In addition, laser rangefinders are compact and easy to carry and use.

In conclusion, in geological exploration, laser rangefinder can be used as an important measuring tool to measure the depth of underground caves and mines. Its high precision and non-contact measurement characteristics make it an indispensable equipment in geological exploration.

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